Louisville, CO

6:33 PM MDT on May 18, 2013 (GMT -0600)
Elev: 5446 ft
Lon: 105.2° W
Lat: 40.0° N
Source
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News
May 18, 2013
The latest breaking news, tornado warnings, photos and more.
May 18, 2013
More than five dozens climbers successfully scaled Mount Everest.
May 18, 2013
The photos, reports, and perspective behind flooding rain in parts of Alabama Saturday.
May 17, 2013
Indonesian-born and Qatar-based photographer Helminadia Ranford captured breathtaking photos of Mt. Bromo, an active volcano in East Java, Indonesia.
May 17, 2013
A spacewalk has repaired a leak on the International Space Station, NASA said.
May 18, 2013
Spring warmth has arrived in most of the U.S., except this state.
May 16, 2013
Storm storms leave damage near Shreveport, Louisiana. See photos and tweets.
May 18, 2013
We walk through the full timeline of the Texas tornadoes on May 15, 2013.
May 16, 2013
Where Earth has been changed forever.
May 16, 2013
Thousands of small glaciers, unconnected to continental-scale ice sheets, have dumped about 260 million tons of meltwater into the ocean annually between 2003 and 2009.
May 16, 2013
After months with record-low activity, the 2013 tornado season roared back with a vengeance on Wednesday as at least 10 twisters touched down across portions of north-central Texas, killing at least 6 and injuring dozens more.
May 18, 2013
Steam and ash clouds are occasionally rising to 20,000 feet from an active Alaska volcano.
May 16, 2013
Seismic activity is continuing at the Popocatepetl volcano near Mexico City and authorities say they have readied shelters and identified evacuation routes in case they should be needed.
May 16, 2013
Cyclone Mahasan weakened Thursday afternoon into a tropical storm and then dissipated, causing far less damage than had been feared as it passed over Bangladesh and spared Myanmar almost entirely, meteorological officials said.
May 17, 2013
The Ocean Conservancy releases stunning photos from its recent international beach cleanup day.
May 17, 2013
Finding the oldest water on Earth has implications for understanding life on Earth and maybe Mars.
May 18, 2013
It's now time to move on in a Texas town wrecked by a massive twister.
May 16, 2013
The scientific agreement that climate change is happening, and that it's caused by human activity, is significant and growing, according to a new study published Thursday.
May 16, 2013
Severe weather broke out in northeastern Texas, including the Dallas Fort Worth area. Below are reports of hail and tornadoes from throughout social media.
May 15, 2013
NASA's planet-hunting Kepler telescope is broken, possibly jeopardizing searches for life outside the Milky Way.
Weather Summary
Weather Underground midday recap for Saturday, May 18, 2013.

Multiple areas of unsettled weather developed over the nation on Saturday. In the center of the nation, a broad low pressure system moved off the Rockies and into the Central and Northern Plains. This system created a warm front that developed over the Northern Plains and Upper Midwest, which stretched eastward into the Great Lakes. Scattered showers and thunderstorms developed along and ahead of this frontal boundary with some parts of Minnesota reporting over 2 inches of rain by mid-day Saturday. These storms have not yet turned severe, but have a history of producing strong winds, large hail, and even a few tornadoes. The back side of this broad low pressure system continued to pull a cold front across the Western states. This allowed for onshore flow to persist from the Pacific Ocean, maintaining sufficient moisture to kick up scattered showers across the Intermountain West, Rocky Mountains, and Great Basin. Some snow showers developed at the highest elevations of Wyoming and Montana. As moisture and energy from this front moved off the Rockies and into the Central and Northern Plains, threats of severe thunderstorm development increased. There was a moderate risk for severe storms with large hail, strong winds, and tornadoes from eastern Colorado through western Nebraska and Kansas, but severe storms have not yet developed.

Meanwhile in the East, a trough of low pressure slowly moved offshore and allowed for more showers and thunderstorms to persist for the Eastern Valleys, the Central and Southern Appalachians, and the Mid-Atlantic States. Severe storms were not anticipated in these areas.
Weather Underground midday recap for Saturday, May 18, 2013.

Multiple areas of unsettled weather developed over the nation on Saturday. In the center of the nation, a broad low pressure system moved off the Rockies and into the Central and Northern Plains. This system created a warm front that developed over the Northern Plains and Upper Midwest, which stretched eastward into the Great Lakes. Scattered showers and thunderstorms developed along and ahead of this frontal boundary with some parts of Minnesota reporting over 2 inches of rain by mid-day Saturday. These storms have not yet turned severe, but have a history of producing strong winds, large hail, and even a few tornadoes. The back side of this broad low pressure system continued to pull a cold front across the Western states. This allowed for onshore flow to persist from the Pacific Ocean, maintaining sufficient moisture to kick up scattered showers across the Intermountain West, Rocky Mountains, and Great Basin. Some snow showers developed at the highest elevations of Wyoming and Montana. As moisture and energy from this front moved off the Rockies and into the Central and Northern Plains, threats of severe thunderstorm development increased. There was a moderate risk for severe storms with large hail, strong winds, and tornadoes from eastern Colorado through western Nebraska and Kansas, but severe storms have not yet developed.

Meanwhile in the East, a trough of low pressure slowly moved offshore and allowed for more showers and thunderstorms to persist for the Eastern Valleys, the Central and Southern Appalachians, and the Mid-Atlantic States. Severe storms were not anticipated in these areas.

Louisville Weather at a Glance

Updated 6:30 PM MDT
Elevation
5565 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
66.0 °F
Feels Like 66.0 °F
Wind(mph)
7.0
Sunrise / Set
5:42 AM
8:12 PM
Moon
First Quarter
Tonight
Partly Cloudy 50 °F
Partly Cloudy
Tomorrow
Thunderstorm 66 °F
T-storms
30% chance of precipitation
Tomorrow Night
Mostly Cloudy 45 °F
Mostly Cloudy
20% chance of precipitation
Monday
Thunderstorm 68 | 45 °F
T-storms
30% chance of precipitation
Tuesday
Partly Cloudy 72 | 45 °F
Partly Cloudy
Wednesday
Partly Cloudy 77 | 50 °F
Partly Cloudy
Tomorrow is forecast to be Much Cooler than today.
Conditions
Pressure
29.81 in
Visibility
60.0 miles
Clouds
Few 8000 ft
Scattered Clouds 10000 ft
Mostly Cloudy 15000 ft
Moisture
Humidity
36%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KBJC 182354Z 02006KT 60SM FEW080 SCT100 BKN150 21/M01 A2981 RMK VIRGA SE
Don't speak METAR? Read our FAQ.
Weather Radio
Temperature
Temperature
66.0 °F
59,57,57,59,63,64,68,72,72,72,75,72,70
Dew Point
38 °F
Wind
Speed / Dir
7.0 mph from NNW
Wind Gust
7.0 mph
Health
1 out of 16
Pollen
9.20 out of 12
Pollen Forecast
Ozone
Moderate
PM2.5
Good
Flu Activity
No Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Saturday Night
nt_partlycloudy Partly cloudy with thunderstorms and rain showers. Low of 50F. Breezy. Winds from the WNW at 10 to 20 mph.
Sunday
tstorms Partly cloudy with rain showers, then thunderstorms and rain showers in the afternoon. High of 66F. Winds from the WNW at 10 to 15 mph. Chance of rain 30%.
Sunday Night
nt_mostlycloudy Mostly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of rain after midnight. Low of 45F. Winds from the WNW at 5 to 10 mph. Chance of rain 20%.
Monday
tstorms Mostly cloudy with a chance of rain, then thunderstorms and a chance of rain in the afternoon. High of 68F. Winds from the NNW at 5 to 10 mph. Chance of rain 30%.
Monday Night
nt_chancerain Overcast with thunderstorms and a chance of rain, then a chance of rain after midnight. Low of 45F. Winds from the NNW at 5 to 10 mph. Chance of rain 40%.
Tuesday
partlycloudy Overcast in the morning, then partly cloudy. High of 72F. Winds from the NNW at 5 to 10 mph shifting to the NNE in the afternoon.
Tuesday Night
nt_clear Partly cloudy with a chance of rain in the evening, then clear. Low of 45F. Winds from the SE at 5 to 10 mph. Chance of rain 20%.
Wednesday
partlycloudy Clear in the morning, then mostly cloudy. High of 77F. Winds from the SE at 5 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 50F. Winds from the East at 5 to 15 mph shifting to the NNW after midnight.
Thursday
partlycloudy Partly cloudy. High of 82F. Winds from the NNW at 5 to 10 mph shifting to the East in the afternoon.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 55F. Winds less than 5 mph. Chance of rain 40%.
Friday
partlycloudy Partly cloudy. High of 86F. Winds from the NW at 5 to 15 mph shifting to the East in the afternoon.
Friday Night
nt_chancetstorms Clear with a chance of a thunderstorm. Low of 55F. Winds from the NE at 5 to 15 mph shifting to the NW after midnight. Chance of rain 40%.
Saturday
clear Clear. High of 84F. Winds from the North at 5 to 15 mph shifting to the East in the afternoon.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds from the NNE at 5 to 15 mph shifting to the WNW after midnight.
Sunday
partlycloudy Partly cloudy. High of 88F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_partlycloudy Clear. Low of 57F. Winds less than 5 mph.
Monday
clear Clear. High of 86F. Winds less than 5 mph.
Monday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Low of 55F. Winds less than 5 mph. Chance of rain 20%.
Tuesday
partlycloudy Partly cloudy. High of 84F. Winds less than 5 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds less than 5 mph.
Wednesday
partlycloudy Clear. High of 77F. Winds less than 5 mph.
Wednesday Night
nt_clear Clear. Low of 59F. Winds from the NE at 5 to 10 mph shifting to the WNW after midnight.
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Nowcast as of 5:29 PM MDT on May 18, 2013
A few showers and isolated thunderstorms will continue to move north to northeast across the Front Range foothills and adjacent Front Range urban corridor through 7 PM. Most of the showers will occur in the foothills of Larimer County...but isolated showers and storms will also develop in the Front Range I-25 urban corridor and Weld County. Look for gusty winds to 35 mph along with brief light rain with the showers and storms. Most rainfall amounts will be less than a tenth of an inch.

Weather Forecast for Louisville CO

View Calendar 10-Day Forecast for station KCOLOUIS9

Saturday, 18
Thunderstorm
79 | 50 °F
Thunderstorm
Chance of
Precipitation
20%
Sunday, 19
Thunderstorm
66 | 45 °F
T-storms
Chance of
Precipitation
30%
Monday, 20
Thunderstorm
68 | 45 °F
T-storms
Chance of
Precipitation
30%
Tuesday, 21
Partly Cloudy
72 | 45 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 22
Partly Cloudy
77 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 23
Partly Cloudy
82 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 24
Partly Cloudy
86 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 25
Clear
84 | 52 °F
Clear
Chance of
Precipitation
0%
Sunday, 26
Partly Cloudy
88 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 27
Clear
86 | 55 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Saturday Night
nt_partlycloudy Partly cloudy with thunderstorms and rain showers. Low of 50F. Breezy. Winds from the WNW at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 32 77 | 30 70 | 30 55 | 36
Wind 7 mph WSW 7 mph NW 13 mph NW 15 mph WNW
Humidity 36% 18% 21% 46%
Chance of Precip. 0% 10% 20% 10%
Cloud Cover 28% 47% 48% 48%
Conditions Partly Cloudy Partly Cloudy Thunderstorm Partly Cloudy
Sunrise & Sunset
5:42 AM
8:12 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.62], Average RMSE [2.51]
The National Weather Service forecast quality is fair. MaxT RMSE [3.03], Average RMSE [2.29] : Use NWS
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Sunday
tstorms Partly cloudy with rain showers, then thunderstorms and rain showers in the afternoon. High of 66F. Winds from the WNW at 10 to 15 mph. Chance of rain 30%.
Sunday Night
nt_mostlycloudy Mostly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of rain after midnight. Low of 45F. Winds from the WNW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 34 66 | 32 63 | 30 50 | 36
Wind 10 mph West 10 mph NW 8 mph NW 4 mph WNW
Humidity 54% 28% 29% 56%
Chance of Precip. 20% 30% 30% 30%
Cloud Cover 53% 70% 75% 75%
Conditions Rain Showers Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:41 AM
8:13 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.39], Average RMSE [2.40]
The National Weather Service forecast quality is fair. MaxT RMSE [3.24], Average RMSE [2.35] : Use NWS
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Monday
tstorms Mostly cloudy with a chance of rain, then thunderstorms and a chance of rain in the afternoon. High of 68F. Winds from the NNW at 5 to 10 mph. Chance of rain 30%.
Monday Night
nt_chancerain Overcast with thunderstorms and a chance of rain, then a chance of rain after midnight. Low of 45F. Winds from the NNW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 34 68 | 34 61 | 36 48 | 39
Wind 6 mph West 3 mph North 8 mph NNW 5 mph NNW
Humidity 66% 26% 38% 72%
Chance of Precip. 20% 30% 30% 20%
Cloud Cover 68% 76% 77% 59%
Conditions Chance of Rain Thunderstorm Thunderstorm Chance of Rain
Sunrise & Sunset
5:40 AM
8:13 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.60], Average RMSE [3.13]
The National Weather Service forecast quality is poor. MaxT RMSE [3.82], Average RMSE [3.11] : Use NWS
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Tuesday
partlycloudy Overcast in the morning, then partly cloudy. High of 72F. Winds from the NNW at 5 to 10 mph shifting to the NNE in the afternoon.
Tuesday Night
nt_clear Partly cloudy with a chance of rain in the evening, then clear. Low of 45F. Winds from the SE at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 37 68 | 36 61 | 37 50 | 39
Wind 3 mph NW 8 mph NNE 8 mph NE 3 mph SE
Humidity 69% 28% 41% 66%
Chance of Precip. 10% 10% 20% 10%
Cloud Cover 99% 35% 30% 10%
Conditions Overcast Partly Cloudy Chance of Rain Clear
Sunrise & Sunset
5:40 AM
8:14 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.68], Average RMSE [3.12]
The National Weather Service forecast quality is poor. MaxT RMSE [4.09], Average RMSE [3.99] : Use NWS
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Wednesday
partlycloudy Clear in the morning, then mostly cloudy. High of 77F. Winds from the SE at 5 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 50F. Winds from the East at 5 to 15 mph shifting to the NNW after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 34 75 | 30 64 | 36 54 | 41
Wind 6 mph West 7 mph East 14 mph ESE 3 mph North
Humidity 65% 18% 33% 62%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 0% 51% 63% 0%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:39 AM
8:15 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.05], Average RMSE [3.18]
The National Weather Service forecast quality is poor. MaxT RMSE [4.58], Average RMSE [3.91] : Use NWS
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 82F. Winds from the NNW at 5 to 10 mph shifting to the East in the afternoon.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 55F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 39 81 | 39 70 | 43 59 | 48
Wind 3 mph WSW 9 mph East 8 mph East 2 mph SE
Humidity 62% 22% 36% 65%
Chance of Precip. 0% 0% 20% 20%
Cloud Cover 0% 3% 34% 32%
Conditions Clear Clear Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:38 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.46], Average RMSE [6.87]
The National Weather Service forecast quality is poor. MaxT RMSE [5.24], Average RMSE [5.92] : Use NWS
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 86F. Winds from the NW at 5 to 15 mph shifting to the East in the afternoon.
Friday Night
nt_chancetstorms Clear with a chance of a thunderstorm. Low of 55F. Winds from the NE at 5 to 15 mph shifting to the NW after midnight. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 41 86 | 37 77 | 46 59 | 52
Wind 4 mph West 8 mph East 14 mph ENE 4 mph NNW
Humidity 55% 17% 32% 75%
Chance of Precip. 10% 0% 20% 10%
Cloud Cover 98% 0% 56% 0%
Conditions Overcast Clear Chance of a Thunderstorm Clear
Sunrise & Sunset
5:38 AM
8:17 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.20], Average RMSE [6.76]
The National Weather Service forecast quality is poor. MaxT RMSE [5.75], Average RMSE [6.88] : Use NWS
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Saturday
clear Clear. High of 84F. Winds from the North at 5 to 15 mph shifting to the East in the afternoon.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds from the NNE at 5 to 15 mph shifting to the WNW after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 46 79 | 41 81 | 36 59 | 41
Wind 5 mph West 8 mph East 10 mph ENE 9 mph WNW
Humidity 51% 25% 19% 50%
Chance of Precip. 10% 10% 0% 10%
Cloud Cover 0% 4% 0% 49%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:37 AM
8:18 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.37], Average RMSE [7.26]
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 88F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_partlycloudy Clear. Low of 57F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 27 73 | 25 79 | 25 66 | 23
Wind 8 mph WSW 5 mph SE 2 mph SE 3 mph NW
Humidity 22% 15% 12% 19%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 44% 47% 42% 25%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:36 AM
8:19 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [8.47], Average RMSE [7.56]
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Monday
clear Clear. High of 86F. Winds less than 5 mph.
Monday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Low of 55F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 23 72 | 23 73 | 23 64 | 27
Wind 4 mph West 5 mph ESE 2 mph SE 2 mph NW
Humidity 23% 15% 14% 23%
Chance of Precip. 0% 0% 10% 20%
Cloud Cover 8% 13% 18% 36%
Conditions Clear Clear Clear Chance of a Thunderstorm
Sunrise & Sunset
5:36 AM
8:19 PM
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 84F. Winds less than 5 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 30 72 | 32 77 | 32 64 | 34
Wind 2 mph West 6 mph ESE 4 mph SE 1 mph WNW
Humidity 34% 22% 19% 32%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 54% 57% 61% 67%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy
Sunrise & Sunset
Sun does not rise
Source: BestForecast at 3:41 PM MDT on May 18, 2013
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 77F. Winds less than 5 mph.
Wednesday Night
nt_clear Clear. Low of 59F. Winds from the NE at 5 to 10 mph shifting to the WNW after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 36 70 | 30 70 | 27 59 | 25
Wind 3 mph West 6 mph ESE 2 mph ESE 6 mph WNW
Humidity 41% 22% 19% 26%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 74% % % %
Conditions Mostly Cloudy Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Nearby
History & Almanac
May 18, 2013 Max Temp Min Temp
Normal (KBJC) 68 °F 45 °F
Record (KBJC) 87 °F (1992) 38 °F (1986)
Yesterday 88.4 °F 53.6 °F
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Moderate
OZONE
Yesterday Good
PM10
Current Moderate
OZONE
Current Good
PM2.5
Saturday Moderate
OZONE
Saturday Good
PM2.5
Sunday Good
OZONE
Sunday Good
PM2.5
Monday Moderate
OZONE
Monday Good
PM2.5
Astronomy
May. 18, 2013 Rise Set
Actual Time 5:42 AM MDT 8:12 PM MDT
Civil Twilight 5:11 AM MDT 8:43 PM MDT
Nautical Twilight 4:33 AM MDT 9:21 PM MDT
Astronomical Twilight 3:50 AM MDT 10:04 PM MDT
Moon 1:18 PM MDT (5/18) 1:36 AM MDT (5/18)
Length Of Visible Light 15h 31m
Length of Day
14h 29m
Tomorrow will be 1m 44s longer.
First Quarter, 58% of the Moon is Illuminated
Today
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Today's Extremes
State Highs State Lows
91 °F
Lamar
90 °F
Springfield
87 °F
La Junta
84 °F
Burlington
82 °F
Pueblo
28 °F
Leadville
32 °F
Kremmling
33 °F
Gunnison
33 °F
Mount Werner
Snow Depth
Station Depth Elevation
Niwot 27 in 9910 ft
University Camp 48 in 10300 ft
Lake Eldora 1 in 9700 ft
Copeland Lake 0 in 8600 ft
Wild Basin 22 in 9560 ft
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Tree with Mountains and Clouds
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Travel & Activities
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Aviation
City Temp. Conditions Updated
Broomfield 70 °F Mostly Cloudy 5:54 PM MDT
Erie 66 °F Clear 6:15 PM MDT
Denver 72 °F Mostly Cloudy 5:53 PM MDT
Flight To ETA Status
FFT612
San Diego, CA
KDEN 06:23PM On Time
FFT258
Los Angeles, CA
KDEN 06:23PM On Time
EGF3675
Los Angeles, CA
KDEN 06:23PM On Time
GLA42E
Kearney, NE
KDEN 06:23PM On Time
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KBJC)
Wind Speed: 6.0 kts.
Wind Dir: 339° (NNW)
Ceiling: 15000 ft

METAR KBJC 182354Z 02006KT 60SM FEW080 SCT100 BKN150 21/M01 A2981 RMK VIRGA SE

Nearby Events
Event Date Forecast
Dawson Wallace DANCE Project: A Children's Rainforest Odyssey 7:00 PM MDT
2013-04-17
Chance of Snow, 34°F
the Makerie Sewing 2:00 PM MDT
2013-04-18
Mostly Cloudy, 36°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
White Sox vs. Angels 1:05 PM PDT on May 18, 2013 Clear, 74 °F
Reds vs. Phillies 4:05 PM EDT on May 18, 2013 Chance of Rain, 67 °F
Giants vs. Rockies 6:10 PM MDT on May 18, 2013 Thunderstorm, 72 °F
Giants vs. Rockies 2:10 PM MDT on May 19, 2013 Thunderstorm, 67 °F
Event Date Forecast
Juventus vs. Sampdoria 8:45 PM CEST on May 18, 2013 Rain, High 66° F/ 19° C
Brest vs. Paris SG 9:00 PM CEST on May 18, 2013 Scattered Clouds, High 62° F/ 17° C
Chivas USA vs. Colorado 7:00 PM MDT on May 25, 2013 Partly Cloudy, 79 °F
FC Dallas vs. Colorado 7:00 PM MDT on June 01, 2013 Average High 74° F/ 23° C
Event Date Forecast
Sprint Showdown 7:46 PM EDT on May 18, 2013 Thunderstorm, 74 °F
NASCAR Sprint All-Star Race 9:00 PM EDT on May 18, 2013 Thunderstorm, 74 °F
Event Date Forecast
HP Byron Nelson Championship 8:30 AM CDT on May 19, 2013 Partly Cloudy, 72 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 23, 2013 Partly Cloudy, 67 °F
Videos
Year In Weather 2012

Watch the nearly year-long satellite animation as Weather Underground calls out the most significant weather events of the past year, including Superstorm Sandy and Hurricane Isaac.

Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Saddle Ridge, Louisville, CO 66.0 °F - 38 °F 36% NNW  at  7.0 mph 0.00 in / hr 5565 ft 6:30 PM MDT Normal  
Davidson Mesa, Boulder, CO 77.7 °F 77 °F 33 °F 20% SW  at  6.0 mph 0.00 in / hr 5663 ft 6:00 PM MDT Normal  
Rock Creek - Snyder, Superior, CO 68.7 °F - - - North  at  9.7 mph 0.00 in / hr 5515 ft 6:30 PM MDT Normal
Northwest Rock Creek, Superior, CO 66.4 °F - 38 °F 35% West  at  3.0 mph 0.00 in / hr 5531 ft 6:25 PM MDT Normal  
UDFCD Louisville_Lake, Louisville, CO 65 °F - 37 °F 36% WSW  at  8 mph 0.00 in / hr 5580 ft 6:10 PM MDT MADIS
Steel Ranch, Louisville, CO 73.4 °F 76 °F 36 °F 26% North  at  9.8 mph 0.00 in / hr 5370 ft 5:51 PM MDT Rapid Fire  
APRSWXNET Lafayette CO , Louisville, CO 70 °F - 33 °F 25% West  at  5 mph 0.00 in / hr 5255 ft 6:13 PM MDT MADIS
Davidson, Lafayette, CO 64.5 °F - 37 °F 36% North  at  8.5 mph 0.00 in / hr 5404 ft 6:30 PM MDT Normal
Rock Creek-Hillcrest, Superior, CO 66.0 °F - 35 °F 32% NNW  at  12.0 mph 0.00 in / hr 5581 ft 6:33 PM MDT Rapid Fire
Waneka Landing, Lafayette, CO 66.3 °F - 37 °F 34% North  at  6.0 mph 0.00 in / hr 5367 ft 6:33 PM MDT Normal  
Eldorado K-8 School, Superior, CO 64.5 °F - 34 °F 32% North  at  14.0 mph 0.00 in / hr 5600 ft 6:32 PM MDT Rapid Fire
South Rock Creek, Superior, CO 66.3 °F - 39 °F 37% North  at  7.1 mph 0.00 in / hr 5584 ft 6:33 PM MDT Rapid Fire  
Waneka Pointe, Lafayette, CO 67.1 °F - 38 °F 35% NNW  at  5.4 mph 0.00 in / hr 5331 ft 6:33 PM MDT Rapid Fire  
Cherryvale, Boulder, CO 70.2 °F 76 °F 38 °F 30% North  at  0.0 mph 0.00 in / hr 5291 ft 5:09 PM MDT Rapid Fire  
MesoWest Rocky Flats - North , Broomfield, CO 66 °F - - - WNW  at  13 mph 0.00 in / hr 5912 ft 5:00 PM MDT MADIS
Ridgeview Heights, Broomfield, CO 64.5 °F - 20 °F 18% NNW  at  18.0 mph 0.00 in / hr 5450 ft 6:30 PM MDT Normal
Spring Creek, Lafayette, CO 67.6 °F - 28 °F 23% WNW  at  8.7 mph 0.00 in / hr 5588 ft 6:33 PM MDT Normal
Ridgeview Heights (Jade Ct), Broomfield, CO 65.0 °F - 35 °F 33% NW  at  12.1 mph 0.00 in / hr 5430 ft 6:33 PM MDT Rapid Fire  
Broomfield Heights, Broomfield, CO 66.7 °F - 40 °F 38% North  at  3.0 mph 0.00 in / hr 5404 ft 6:30 PM MDT Normal  
Hawk Ridge, Lafayette, CO 64.7 °F - 39 °F 39% NW  at  7.0 mph 0.00 in / hr 5236 ft 6:33 PM MDT Rapid Fire  
Arapahoe Ridge, Erie, CO 68.2 °F - 39 °F 35% North  at  0.0 mph 0.00 in / hr 5213 ft 6:33 PM MDT Rapid Fire  
Arapahoe Ridge, Boulder, CO 66.6 °F - 36 °F 32% North  at  4.0 mph 0.00 in / hr 5262 ft 6:32 PM MDT Normal  
Wildgrass, Broomfield, CO 65.2 °F - 35 °F 33% NNW  at  8.0 mph - / hr 5307 ft 6:27 PM MDT Normal
South Boulder, Boulder, CO 68.3 °F - 40 °F 35% NNW  at  2.0 mph 0.00 in / hr 5395 ft 6:30 PM MDT Normal  
Shanahan Ridge, Boulder, CO 66.3 °F - 33 °F 29% NNW  at  2.0 mph - / hr 5700 ft 6:26 PM MDT Normal
Aurora 7, Boulder, CO 68.2 °F - 39 °F 34% NE  at  7.6 mph 0.00 in / hr 5295 ft 6:33 PM MDT Rapid Fire  
Northmoor Subdivision - Central Broomfie, Broomfield, CO 67.6 °F - 40 °F 36% NNW  at  5.4 mph 0.00 in / hr 5384 ft 6:32 PM MDT Normal  
Arista, Broomfield, CO 69.0 °F - 37 °F 31% East  at  4.0 mph 0.00 in / hr 5413 ft 6:33 PM MDT Rapid Fire  
INTERNET Rocky Flats Nat Wind Tech Ctr , Eldorado Springs, CO 65 °F - 36 °F 34% NNE  at  4 mph 0.00 in / hr 6085 ft 6:08 PM MDT MADIS
MAP BOULDER CO , Boulder, CO 68 °F - 27 °F 21% North  at  - 0.00 in / hr 5508 ft 6:00 PM MDT MADIS
Peloton, Boulder, CO 69.6 °F - - - North  at  - - / hr 5380 ft 6:29 PM MDT Normal  
Orchard Glen, Erie, CO 65.5 °F - 39 °F 38% NNE  at  10.0 mph 0.00 in / hr 5184 ft 6:32 PM MDT Normal  
Walnut Grove, Westminster, CO 72.7 °F 76 °F 38 °F 28% North  at  1.1 mph 0.00 in / hr 5390 ft 6:33 PM MDT Rapid Fire  
Heatherwood, Boulder, CO 69.4 °F - 39 °F 33% NNW  at  2.9 mph - / hr 5326 ft 6:28 PM MDT Normal  
INTERNET NCAR Table Mesa , Boulder, CO 66 °F - 29 °F 25% NW  at  11 mph 0.00 in / hr 6184 ft 5:57 PM MDT MADIS
Heatherwood, Boulder, CO 67.3 °F - 38 °F 35% North  at  9.8 mph 0.00 in / hr 5289 ft 6:33 PM MDT Rapid Fire  
Standley Lake, Westminster, CO 69.9 °F - - - North  at  0.0 mph 0.00 in / hr 5471 ft 6:25 PM MDT Normal  
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