Arapahoe, CO

1:28 AM MDT on May 18, 2013 (GMT -0600)
Elev: 4147 ft
Lon: 102.2° W
Lat: 38.9° N
Source
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News
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Cyclone Mahasen Weakens After Killing 45 in Bangladesh
May 16, 2013
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May 15, 2013
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Weather Summary
Kari Kiefer
Weather Underground Forecast for Saturday, May 18, 2013.

A strong low pressure system will bring active weather to the center of the nation on Saturday. The system will move off the Rockies and into the Plains, which will push a warm front into the Northern Plains and Upper Midwest, while it continues pulling a cold front southeastward across the Western states. Counter clockwise flow around this system will pull more moisture and energy into the Plains from the Gulf of Mexico, allowing for showers and thunderstorms to develop from Oklahoma through the Dakotas and into Minnesota. These areas are under a slight threat of severe weather development with strong winds, large hail, and heavy rainfall. Parts of western Nebraska and northwestern Kansas are under a moderate risk of severe thunderstorm development. This area has increased risk for tornado development on Saturday.

East of this activity, a weak trough slowly moves over the Eastern Valleys, allowing for a few more widespread showers and thunderstorms to pop up from the Southern Appalachians through the Mid-Atlantic states. Meanwhile in the West, moisture from the Pacific Ocean will allow for scattered showers with afternoon thunderstorms to persist for the Northern and Central Rockies. Severe storms are not likely in these areas. In the Southwest, gusty winds, warm temperatures, and dry conditions will maintain dangerous fire weather conditions on Saturday.
Weather Underground Forecast for Saturday, May 18, 2013.

A strong low pressure system will bring active weather to the center of the nation on Saturday. The system will move off the Rockies and into the Plains, which will push a warm front into the Northern Plains and Upper Midwest, while it continues pulling a cold front southeastward across the Western states. Counter clockwise flow around this system will pull more moisture and energy into the Plains from the Gulf of Mexico, allowing for showers and thunderstorms to develop from Oklahoma through the Dakotas and into Minnesota. These areas are under a slight threat of severe weather development with strong winds, large hail, and heavy rainfall. Parts of western Nebraska and northwestern Kansas are under a moderate risk of severe thunderstorm development. This area has increased risk for tornado development on Saturday.

East of this activity, a weak trough slowly moves over the Eastern Valleys, allowing for a few more widespread showers and thunderstorms to pop up from the Southern Appalachians through the Mid-Atlantic states. Meanwhile in the West, moisture from the Pacific Ocean will allow for scattered showers with afternoon thunderstorms to persist for the Northern and Central Rockies. Severe storms are not likely in these areas. In the Southwest, gusty winds, warm temperatures, and dry conditions will maintain dangerous fire weather conditions on Saturday.
More News Articles

Arapahoe Weather at a Glance

Updated 12:53 AM MDT
Weather Station
Lamar (KLAA)
Elevation
3704 ft
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Now
Clear
Clear
Temperature
68 °F
Feels Like 68 °F
Wind(mph)
17
Sunrise / Set
5:33 AM
7:57 PM
Moon
Waxing Crescent
Tonight
Partly Cloudy 54 °F
Partly Cloudy
Saturday
Chance of a Thunderstorm 95 °F
Chance of a Thunderstorm
20% chance of precipitation
Saturday Night
Partly Cloudy 55 °F
Partly Cloudy
20% chance of precipitation
Sunday
Chance of a Thunderstorm 79 | 50 °F
Chance of a Thunderstorm
20% chance of precipitation
Monday
Chance of a Thunderstorm 72 | 48 °F
Chance of T-storms
30% chance of precipitation
Tuesday
Partly Cloudy 77 | 46 °F
Partly Cloudy
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
29.59 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
70%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KLAA 180653Z AUTO 16015KT 10SM CLR 20/14 A2975 RMK AO2 SLP019 T02000144 403500161
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
68 °F
80,84,89,93,94,93,91,88,84,80,75,72,71
Dew Point
58 °F
Wind
Speed / Dir
17 mph from SSE
Wind Gust
Health
UV
0 out of 16
Pollen
9.60 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
No Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 95F. Winds from the SSW at 5 to 15 mph. Chance of rain 20%.
Saturday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 55F. Breezy. Winds from the West at 10 to 20 mph shifting to the NNW after midnight. Chance of rain 20%.
Sunday
partlycloudy Overcast with a chance of a thunderstorm and a chance of rain in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the NW at 10 to 15 mph. Chance of rain 20%.
Sunday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 50F. Winds from the NNW at 5 to 15 mph. Chance of rain 20%.
Monday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 72F. Winds from the NNW at 5 to 10 mph. Chance of rain 30%.
Monday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and rain. Low of 48F. Winds from the NNE at 10 to 15 mph. Chance of rain 20%.
Tuesday
partlycloudy Partly cloudy. High of 77F. Breezy. Winds from the North at 10 to 20 mph.
Tuesday Night
nt_partlycloudy Partly cloudy in the evening, then overcast. Low of 46F. Winds from the NE at 5 to 10 mph shifting to the ESE after midnight.
Wednesday
clear Clear. High of 82F. Winds from the SSE at 10 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 55F. Breezy. Winds from the SSE at 15 to 25 mph.
Thursday
clear Clear. High of 99F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_partlycloudy Clear with a chance of a thunderstorm. Low of 57F. Breezy. Winds from the South at 15 to 25 mph. Chance of rain 20%.
Friday
partlycloudy Partly cloudy. High of 97F. Breezy. Winds from the SSE at 20 to 25 mph.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 57F. Windy. Winds from the SSE at 20 to 30 mph. Chance of rain 30%.
Saturday
partlycloudy Partly cloudy. High of 99F. Winds from the South at 10 to 15 mph.
Saturday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 61F. Breezy. Winds from the South at 15 to 20 mph. Chance of rain 30%.
Sunday
partlycloudy Partly cloudy. High of 86F. Winds from the South at 10 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 61F. Winds from the South at 10 to 15 mph.
Monday
partlycloudy Partly cloudy. High of 84F. Winds from the SSW at 5 to 10 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds from the South at 5 to 15 mph.
Tuesday
partlycloudy Clear. High of 82F. Winds less than 5 mph.
Tuesday Night
nt_clear Clear. Low of 57F. Winds from the SSE at 5 to 10 mph.
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Weather Forecast for Arapahoe CO

View Calendar 10-Day Forecast for station KLAA

Saturday, 18
Chance of a Thunderstorm
95 | 55 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Sunday, 19
Chance of a Thunderstorm
79 | 50 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Monday, 20
Chance of a Thunderstorm
72 | 48 °F
Chance of T-storms
Chance of
Precipitation
30%
Tuesday, 21
Partly Cloudy
77 | 46 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 22
Clear
82 | 55 °F
Clear
Chance of
Precipitation
0%
Thursday, 23
Clear
99 | 57 °F
Clear
Chance of
Precipitation
0%
Friday, 24
Partly Cloudy
97 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 25
Partly Cloudy
99 | 61 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 26
Partly Cloudy
86 | 61 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 27
Partly Cloudy
84 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 95F. Winds from the SSW at 5 to 15 mph. Chance of rain 20%.
Saturday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 55F. Breezy. Winds from the West at 10 to 20 mph shifting to the NNW after midnight. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 39 90 | 30 91 | 19 64 | 36
Wind 3 mph SW 8 mph South 15 mph West 14 mph NNW
Humidity 59% 11% 7% 32%
Chance of Precip. 10% 10% 20% 10%
Cloud Cover 39% 12% 46% 39%
Conditions Partly Cloudy Clear Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:33 AM
7:57 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.00], Average RMSE [2.95]
The National Weather Service forecast quality is good. MaxT RMSE [2.17], Average RMSE [2.92] : Use NWS
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Sunday
partlycloudy Overcast with a chance of a thunderstorm and a chance of rain in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the NW at 10 to 15 mph. Chance of rain 20%.
Sunday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 50F. Winds from the NNW at 5 to 15 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 39 70 | 37 77 | 32 61 | 37
Wind 9 mph WNW 13 mph WNW 11 mph North 3 mph North
Humidity 55% 28% 20% 41%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 8% 0% 56% 43%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:32 AM
7:58 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.39], Average RMSE [2.90]
The National Weather Service forecast quality is fair. MaxT RMSE [2.56], Average RMSE [3.60] : Use NWS
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Monday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 72F. Winds from the NNW at 5 to 10 mph. Chance of rain 30%.
Monday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and rain. Low of 48F. Winds from the NNE at 10 to 15 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 37 66 | 37 68 | 37 54 | 46
Wind 5 mph NNW 6 mph North 8 mph North 12 mph NNE
Humidity 61% 34% 31% 73%
Chance of Precip. 20% 30% 30% 10%
Cloud Cover 56% 31% 45% 38%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:32 AM
7:59 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.41], Average RMSE [3.21]
The National Weather Service forecast quality is fair. MaxT RMSE [3.43], Average RMSE [4.10] : Use NWS
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 77F. Breezy. Winds from the North at 10 to 20 mph.
Tuesday Night
nt_partlycloudy Partly cloudy in the evening, then overcast. Low of 46F. Winds from the NE at 5 to 10 mph shifting to the ESE after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 41 73 | 39 77 | 39 46 | 41
Wind 14 mph NNW 13 mph North 9 mph NNE 6 mph East
Humidity 74% 28% 24% 79%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 56% 11% 45% 92%
Conditions Partly Cloudy Clear Partly Cloudy Overcast
Sunrise & Sunset
5:31 AM
8:00 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.45], Average RMSE [4.64]
The National Weather Service forecast quality is poor. MaxT RMSE [4.05], Average RMSE [4.48] : Use NWS
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Wednesday
clear Clear. High of 82F. Winds from the SSE at 10 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 55F. Breezy. Winds from the SSE at 15 to 25 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 43 79 | 43 82 | 34 63 | 43
Wind 10 mph SE 13 mph South 11 mph SSE 21 mph SE
Humidity 89% 27% 16% 49%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 13% 2% 3% 13%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:30 AM
8:01 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.23], Average RMSE [4.50]
The National Weather Service forecast quality is poor. MaxT RMSE [4.23], Average RMSE [3.90] : Use NWS
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Thursday
clear Clear. High of 99F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_partlycloudy Clear with a chance of a thunderstorm. Low of 57F. Breezy. Winds from the South at 15 to 25 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 41 88 | 36 88 | 39 70 | 50
Wind 11 mph SSW 8 mph SSW 18 mph South 18 mph South
Humidity 59% 15% 17% 48%
Chance of Precip. 0% 0% 0% 20%
Cloud Cover 0% 0% 10% 52%
Conditions Clear Clear Clear Chance of a Thunderstorm
Sunrise & Sunset
5:29 AM
8:01 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.46], Average RMSE [5.18]
The National Weather Service forecast quality is poor. MaxT RMSE [4.53], Average RMSE [5.84] : Use NWS
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 97F. Breezy. Winds from the SSE at 20 to 25 mph.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 57F. Windy. Winds from the SSE at 20 to 30 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 52 86 | 50 93 | 52 70 | 55
Wind 7 mph SE 22 mph SSE 28 mph SSE 20 mph SSE
Humidity 79% 29% 23% 60%
Chance of Precip. 10% 0% 0% 30%
Cloud Cover 99% 46% 29% 97%
Conditions Overcast Partly Cloudy Partly Cloudy Chance of a Thunderstorm
Sunrise & Sunset
5:29 AM
8:02 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.66], Average RMSE [6.31]
The National Weather Service forecast quality is poor. MaxT RMSE [5.92], Average RMSE [7.27] : Use NWS
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 99F. Winds from the South at 10 to 15 mph.
Saturday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 61F. Breezy. Winds from the South at 15 to 20 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 54 97 | 48 84 | 45 72 | 48
Wind 14 mph SSE 13 mph South 16 mph SSE 15 mph South
Humidity 77% 19% 24% 41%
Chance of Precip. 10% 0% 30% 30%
Cloud Cover 68% 24% 50% 59%
Conditions Mostly Cloudy Clear Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:28 AM
8:03 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [9.30], Average RMSE [7.05]
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 86F. Winds from the South at 10 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 61F. Winds from the South at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 50 86 | 48 86 | 48 70 | 48
Wind 10 mph South 10 mph South 12 mph SSE 13 mph South
Humidity 58% 27% 26% 44%
Chance of Precip. 10% 0% 10% 10%
Cloud Cover 70% 65% 60% 62%
Conditions Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:28 AM
8:04 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [8.21], Average RMSE [8.24]
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 84F. Winds from the SSW at 5 to 10 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds from the South at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 48 84 | 48 84 | 48 70 | 46
Wind 8 mph SSW 6 mph SSW 10 mph South 9 mph South
Humidity 57% 27% 27% 44%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 65% 45% 24% 41%
Conditions Mostly Cloudy Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:27 AM
8:05 PM
Source: BestForecast at 7:35 PM MDT on May 17, 2013
Descriptive Forecast
Tuesday
partlycloudy Clear. High of 82F. Winds less than 5 mph.
Tuesday Night
nt_clear Clear. Low of 57F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 46 81 | 45 82 | 43 66 | 46
Wind 3 mph SW 2 mph ESE 8 mph SSE 8 mph South
Humidity 61% 27% 24% 47%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 57% % % %
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 18, 2013 Max Temp Min Temp
Normal (KITR) 74 °F 45 °F
Record (KITR) 96 °F (1996) 25 °F (1930)
Yesterday 87 °F 54 °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.
More information at USGS.gov
Astronomy
May. 18, 2013 Rise Set
Actual Time 5:33 AM MDT 7:57 PM MDT
Civil Twilight 5:03 AM MDT 8:28 PM MDT
Nautical Twilight 4:25 AM MDT 9:05 PM MDT
Astronomical Twilight 3:44 AM MDT 9:47 PM MDT
Moon 1:06 PM MDT 1:23 AM MDT
Length Of Visible Light 15h 24m
Length of Day
14h 24m
Tomorrow will be 1m 39s longer.
Waxing Crescent, 51% of the Moon is Illuminated
Today
Waxing Crescent
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
69 °F
Broomfield
68 °F
Springfield
68 °F
Lamar
66 °F
Fort Collins
66 °F
La Junta
33 °F
Wolf Creek Pass
37 °F
Monarch Pass
39 °F
Alamosa
39 °F
Leadville
41 °F
Copper Mountain
Record Extremes
Snow Depth
Station Depth Elevation
Glen Cove 5 in 11460 ft
Echo Lake 21 in 10600 ft
Medano Pass 0 in 9620 ft
Apishapa 1 in 10000 ft
Lake Eldora 3 in 9700 ft
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Burlington 65 °F Mostly Cloudy 12:53 AM MDT
Goodland 65 °F Overcast 12:53 AM MDT
St. Francis 67 °F Scattered Clouds 2:15 AM CDT
Lamar 68 °F Clear 12:53 AM MDT
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Flight To ETA Status
No flights were found.
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Type Condition
Flight Rule: VFR (KLAA)
Wind Speed: 15.0 kts.
Wind Dir: 160° (SSE)
Ceiling: Unlimited

METAR KLAA 180653Z AUTO 16015KT 10SM CLR 20/14 A2975 RMK AO2 SLP019 T02000144 403500161

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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Sports
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Weather Stations
Station Location Temp. Dew Point Humidity Wind Precipitation Elevation Updated Type Website
MesoWest ARAPHO , Arapahoe, CO 66 °F - - North  at  - 0.00 in / hr 3991 ft 10:25 PM MDT MADIS
DW8525, Cheyenne Wells, CO 62.8 °F 60 °F 91% SSW  at  5.4 mph 0.00 in / hr 4295 ft 1:28 AM MDT Rapid Fire  
MesoWest FRSTVW , Cheyenne Wells, CO 65 °F - - North  at  - 0.00 in / hr 4457 ft 9:50 PM MDT MADIS
4M Feeders, Stratton, CO 61.4 °F 59 °F 93% SSE  at  6.0 mph 0.00 in / hr 4500 ft 1:28 AM MDT Normal
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