Rock Springs, WY

3:28 AM MDT on May 22, 2012 (GMT -0600)
Elev: 6677 ft
Lon: 108.9° W
Lat: 41.6° N
Source
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Active Advisory: Special Statement (US Severe Weather) Active Notice: Record Report
Tropical Weather: Tropical Depression Alberto (North Atlantic) Tropical Storm Bud (East Pacific) Tropical Storm Sanvu (Western Pacific)
Weather Summary
Jessica Parker
Weather Underground Forecast for Tuesday, May 22, 2012.

Tropical Storm Alberto is expected to weaken to tropical depression strength on Tuesday as it accelerates northeastward through the western Atlantic Ocean. This system is expected to continue on a northeastward track through Wednesday and dissipate by Thursday. For more information on Tropical Storm Alberto and other tropical activity, please visit http://www.wunderground.com/tropical.

Meanwhile, a cold front pushing across the Eastern Valleys will reach the Eastern Seaboard with more unsettled weather activity. The front will stir up scattered showers and thunderstorms from portions of the Lower Great Lakes and Northeast southward into the Southeast and Central Gulf Coast states through the day. Areas along the Gulf Coast and across much of Florida and Texas will remain hot on Tuesday as daytime highs reach into the upper 80s and 90s.

To the west of this activity, a cold front will cross the Northwest, bringing rain showers with afternoon and evening thunderstorms to parts of the Northern Intermountain West and Northern Rockies. This frontal system will merge with another disturbance dropping out of southern Canada as it progresses eastward. Expect thunderstorm activity to spread into the Northern Plains ahead of this system. Storms in this region may turn severe with very large hail and damaging wind gusts. Meanwhile, a stronger front from the Pacific will reach the Pacific Northwest with a cooler airmass and precipitation.

Elsewhere in the West, temperatures across the Desert Southwest will climb into the 100 to near 110 degree range on Tuesday.
Weather Underground Forecast for Tuesday, May 22, 2012.

Tropical Storm Alberto is expected to weaken to tropical depression strength on Tuesday as it accelerates northeastward through the western Atlantic Ocean. This system is expected to continue on a northeastward track through Wednesday and dissipate by Thursday. For more information on Tropical Storm Alberto and other tropical activity, please visit http://www.wunderground.com/tropical.

Meanwhile, a cold front pushing across the Eastern Valleys will reach the Eastern Seaboard with more unsettled weather activity. The front will stir up scattered showers and thunderstorms from portions of the Lower Great Lakes and Northeast southward into the Southeast and Central Gulf Coast states through the day. Areas along the Gulf Coast and across much of Florida and Texas will remain hot on Tuesday as daytime highs reach into the upper 80s and 90s.

To the west of this activity, a cold front will cross the Northwest, bringing rain showers with afternoon and evening thunderstorms to parts of the Northern Intermountain West and Northern Rockies. This frontal system will merge with another disturbance dropping out of southern Canada as it progresses eastward. Expect thunderstorm activity to spread into the Northern Plains ahead of this system. Storms in this region may turn severe with very large hail and damaging wind gusts. Meanwhile, a stronger front from the Pacific will reach the Pacific Northwest with a cooler airmass and precipitation.

Elsewhere in the West, temperatures across the Desert Southwest will climb into the 100 to near 110 degree range on Tuesday.
Weather Underground Broadcast Network

Rock Springs Weather at a Glance

Updated 3:06 AM MDT
Elevation
6706 ft
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Now
Clear
Clear
Temperature
53 °F
Feels Like 53 °F
Wind(mph)
1
Sunrise / Set
5:49 AM
8:35 PM
Moon
New Moon
Tonight
Clear 54 °F
Clear
Tuesday
Partly Cloudy 77 °F
Partly Cloudy
Tuesday Night
Chance of Rain 41 °F
Chance of Rain
20% chance of precipitation
Wednesday
Thunderstorm 59 | 30 °F
T-storms
40% chance of precipitation
Thursday
Chance Rain 57 | 37 °F
Chance Rain
20% chance of precipitation
Friday
Chance of Rain 72 | 32 °F
Chance of Rain
30% chance of precipitation
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
29.67 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
33%
Rainfall
-
Not available.
Snow Depth
Not available.
METAR
METAR KRKS 220854Z AUTO 21015G21KT 10SM CLR 18/M08 A2996 RMK AO2 SLP047 T01831078 58023 TSNO
Don't speak METAR? Read our FAQ.
Weather Radio
Weather Radio Index
Temperature
Temperature
53 °F
Dew Point
24 °F
Wind
Speed / Dir
1 mph from WNW
Wind Gust
3.0 mph
Health
UV
0 out of 16
Pollen
8.10 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 77F. Windy. Winds from the WSW at 15 to 35 mph with gusts to 45 mph.
Tuesday Night
nt_chancerain Overcast in the evening, then partly cloudy with a chance of rain. Low of 41F. Windy. Winds from the North at 15 to 30 mph with gusts to 45 mph shifting to the West after midnight. Chance of rain 20%.
Wednesday
tstorms Overcast with a chance of rain, then thunderstorms and a chance of rain in the afternoon. High of 59F. Breezy. Winds from the WNW at 15 to 20 mph with gusts to 30 mph. Chance of rain 40%.
Wednesday Night
nt_mostlycloudy Overcast. Low of 30F. Breezy. Winds from the WNW at 15 to 20 mph. Chance of rain 20%.
Thursday
chancerain Overcast with a chance of snow and rain showers in the morning, then mostly cloudy with thunderstorms and a chance of rain. High of 57F. Winds from the WNW at 10 to 15 mph. Chance of precipitation 20% .
Thursday Night
nt_mostlycloudy Partly cloudy with thunderstorms in the evening, then mostly cloudy. Low of 37F. Winds from the WSW at 5 to 20 mph shifting to the NNW after midnight.
Friday
chancerain Overcast with a chance of rain in the afternoon. High of 72F. Windy. Winds from the ENE at 20 to 30 mph. Chance of rain 30%.
Friday Night
nt_chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain after midnight. Low of 32F. Breezy. Winds from the NE at 15 to 25 mph. Chance of rain 50%.
Saturday
partlycloudy Overcast in the morning, then partly cloudy. High of 63F. Winds from the ENE at 5 to 10 mph.
Saturday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 37F. Breezy. Winds from the ENE at 15 to 25 mph. Chance of rain 50%.
Sunday
partlycloudy Partly cloudy. High of 64F. Winds from the NE at 5 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 34F. Winds from the WNW at 5 to 10 mph.
Monday
clear Partly cloudy. High of 70F. Winds from the West at 10 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 43F. Winds from the West at 5 to 15 mph.
Tuesday
clear Clear. High of 72F. Breezy. Winds from the West at 10 to 25 mph.
Tuesday Night
nt_clear Clear. Low of 41F. Breezy. Winds from the WNW at 5 to 30 mph.
Wednesday
clear Clear. High of 68F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Low of 43F. Winds from the WNW at 5 to 15 mph.
Thursday
clear Clear. High of 70F. Winds from the West at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 50F. Winds from the West at 5 to 15 mph.
Friday
clear Clear. High of 72F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_clear Clear. Low of 50F. Winds from the WSW at 5 to 15 mph.
Loading…
 
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Forecast

View Calendar 10-Day Forecast for station KRKS

Tuesday, 22
Partly Cloudy
77 | 41 °F
Partly Cloudy
Chance of
Precipitation
10%
Wednesday, 23
Thunderstorm
59 | 30 °F
T-storms
Chance of
Precipitation
40%
Thursday, 24
Chance Rain
57 | 37 °F
Chance Rain
Chance of
Precipitation
20%
Friday, 25
Chance of Rain
72 | 32 °F
Chance of Rain
Chance of
Precipitation
30%
Saturday, 26
Partly Cloudy
63 | 37 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 27
Partly Cloudy
64 | 34 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 28
Clear
70 | 43 °F
Clear
Chance of
Precipitation
0%
Tuesday, 29
Clear
72 | 41 °F
Clear
Chance of
Precipitation
0%
Wednesday, 30
Clear
68 | 43 °F
Clear
Chance of
Precipitation
0%
Thursday, 31
Clear
70 | 50 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 77F. Windy. Winds from the WSW at 15 to 35 mph with gusts to 45 mph.
Tuesday Night
nt_chancerain Overcast in the evening, then partly cloudy with a chance of rain. Low of 41F. Windy. Winds from the North at 15 to 30 mph with gusts to 45 mph shifting to the West after midnight. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 28 75 | 25 70 | 25 52 | 34
Wind 17 mph WSW 30 mph West 28 mph North 19 mph WNW
Humidity 35% 15% 18% 48%
Chance of Precip. 0% 10% 10% 20%
Cloud Cover 63% 27% 49% 68%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Chance of Rain
Sunrise & Sunset
5:49 AM
8:35 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.32], Average RMSE [1.65]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.19], Average RMSE [1.94] : Use NWS
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Wednesday
tstorms Overcast with a chance of rain, then thunderstorms and a chance of rain in the afternoon. High of 59F. Breezy. Winds from the WNW at 15 to 20 mph with gusts to 30 mph. Chance of rain 40%.
Wednesday Night
nt_mostlycloudy Overcast. Low of 30F. Breezy. Winds from the WNW at 15 to 20 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 39 59 | 21 52 | 25 39 | 23
Wind 17 mph West 18 mph North 14 mph WSW 18 mph West
Humidity 88% 23% 34% 50%
Chance of Precip. 20% 30% 10% 10%
Cloud Cover 100% 77% 70% 65%
Conditions Chance of Rain Thunderstorm Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:48 AM
8:36 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.32], Average RMSE [1.73]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.31], Average RMSE [1.93] : Use NWS
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Thursday
chancerain Overcast with a chance of snow and rain showers in the morning, then mostly cloudy with thunderstorms and a chance of rain. High of 57F. Winds from the WNW at 10 to 15 mph. Chance of precipitation 20% .
Thursday Night
nt_mostlycloudy Partly cloudy with thunderstorms in the evening, then mostly cloudy. Low of 37F. Winds from the WSW at 5 to 20 mph shifting to the NNW after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 23 50 | 10 54 | 21 43 | 9
Wind 12 mph North 14 mph West 3 mph WSW 7 mph West
Humidity 70% 20% 28% 24%
Chance of Precip. 20% 20% 20% 0%
Cloud Cover 47% 77% 40% 74%
Conditions Chance of Snow Thunderstorm Thunderstorm Mostly Cloudy
Sunrise & Sunset
5:48 AM
8:37 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.11], Average RMSE [1.86]
The National Weather Service forecast quality is good. MaxT RMSE [1.71], Average RMSE [2.84] : Use NWS
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Friday
chancerain Overcast with a chance of rain in the afternoon. High of 72F. Windy. Winds from the ENE at 20 to 30 mph. Chance of rain 30%.
Friday Night
nt_chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain after midnight. Low of 32F. Breezy. Winds from the NE at 15 to 25 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 39 | 5 70 | 28 46 | 34 48 | 46
Wind 15 mph ENE 27 mph East 22 mph NE 16 mph NE
Humidity 25% 22% 63% 90%
Chance of Precip. 0% 10% 30% 20%
Cloud Cover 19% 100% 78% 100%
Conditions Clear Overcast Chance of Rain Chance of a Thunderstorm
Sunrise & Sunset
5:47 AM
8:38 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.44], Average RMSE [2.25]
The National Weather Service forecast quality is good. MaxT RMSE [2.49], Average RMSE [3.13] : Use NWS
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Saturday
partlycloudy Overcast in the morning, then partly cloudy. High of 63F. Winds from the ENE at 5 to 10 mph.
Saturday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 37F. Breezy. Winds from the ENE at 15 to 25 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 21 52 | 39 57 | 30 46 | 34
Wind 6 mph ENE 9 mph ENE 10 mph NE 15 mph NE
Humidity 59% 59% 35% 59%
Chance of Precip. 10% 10% 10% 20%
Cloud Cover 91% 12% 41% 74%
Conditions Overcast Clear Partly Cloudy Chance of Rain
Sunrise & Sunset
5:46 AM
8:39 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.14], Average RMSE [2.97]
The National Weather Service forecast quality is fair. MaxT RMSE [3.16], Average RMSE [3.66] : Use NWS
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 64F. Winds from the NE at 5 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 34F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 39 | 28 57 | 25 59 | 25 48 | 34
Wind 13 mph NE 6 mph NE 4 mph WNW 9 mph WNW
Humidity 66% 29% 25% 56%
Chance of Precip. 10% 10% 0% 10%
Cloud Cover 92% 98% 20% 79%
Conditions Overcast Overcast Clear Mostly Cloudy
Sunrise & Sunset
5:46 AM
8:39 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.47], Average RMSE [3.16]
The National Weather Service forecast quality is poor. MaxT RMSE [3.60], Average RMSE [4.02] : Use NWS
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Monday
clear Partly cloudy. High of 70F. Winds from the West at 10 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 43F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 27 61 | 27 64 | 25 50 | 25
Wind 6 mph WNW 12 mph West 10 mph West 8 mph West
Humidity 72% 27% 21% 35%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 2% 21% 9% 11%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:46 AM
8:39 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.71], Average RMSE [4.22]
The National Weather Service forecast quality is poor. MaxT RMSE [4.12], Average RMSE [4.32] : Use NWS
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Tuesday
clear Clear. High of 72F. Breezy. Winds from the West at 10 to 25 mph.
Tuesday Night
nt_clear Clear. Low of 41F. Breezy. Winds from the WNW at 5 to 30 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 27 64 | 30 68 | 23 54 | 27
Wind 5 mph West 15 mph West 25 mph West 6 mph WNW
Humidity 49% 26% 18% 35%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 3% 1% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:46 AM
8:39 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.11], Average RMSE [4.23]
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Wednesday
clear Clear. High of 68F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Low of 43F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 41 | 27 64 | 27 68 | 21 54 | 23
Wind 3 mph NW 9 mph West 11 mph WNW 5 mph NW
Humidity 55% 23% 17% 31%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 0% 1% 6%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:46 AM
8:39 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.65], Average RMSE [4.36]
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Thursday
clear Clear. High of 70F. Winds from the West at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 50F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 28 66 | 39 70 | 28 55 | 30
Wind 1 mph NW 9 mph WSW 11 mph West 5 mph West
Humidity 50% 35% 21% 38%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 2% 3% 5%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:46 AM
8:39 PM
Source: BestForecast at 1:30 AM MDT on May 22, 2012
Descriptive Forecast
Friday
clear Clear. High of 72F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_clear Clear. Low of 50F. Winds from the WSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 34 68 | 43 72 | 30 57 | 32
Wind 2 mph WSW 11 mph WSW 12 mph WSW 5 mph West
Humidity 54% 37% 20% 37%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 7% 4% 1% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:46 AM
8:39 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 22, 2012 Max Temp Min Temp
Normal (KRKS) 64 °F 39 °F
Record (KRKS) 81 °F (1967) 26 °F (1974)
Yesterday 83 °F 45 °F
Yesterday's Heating Degree Days: 1
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. 22, 2012 Rise Set
Actual Time 5:49 AM MDT 8:35 PM MDT
Civil Twilight 5:17 AM MDT 9:08 PM MDT
Nautical Twilight 4:36 AM MDT 9:49 PM MDT
Astronomical Twilight 3:49 AM MDT 10:36 PM MDT
Moon 7:02 AM MDT 10:16 PM MDT
Length Of Visible Light 15h 51m
Length of Day
14h 46m
Tomorrow will be 1m 39s longer.
New Moon, 2% of the Moon is Illuminated
Today
New Moon
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Today's Extremes
State Highs State Lows
72 °F
Buffalo
71 °F
Lander
70 °F
Greybull
66 °F
Worland
66 °F
Sheridan
43 °F
Laramie
43 °F
Yellowstone
44 °F
Pinedale
46 °F
Big Piney
50 °F
Jackson
Record Extremes
Snow Depth
Station Depth Elevation
Big Sandy Opening 0 in 9080 ft
Townsend Creek 0 in 8700 ft
Sage Creek Basin 0 in 7850 ft
Divide Peak 0 in 8860 ft
Battle Mountain 0 in 7440 ft
Snow Depth Reports — Snow Depth Map
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Rock Springs 65 °F Clear 2:54 AM MDT
View all Aviation Tools
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KRKS)
Wind Speed: 15.0 kts.
Wind Dir: 294° (WNW)
Ceiling: Unlimited

METAR KRKS 220854Z AUTO 21015G21KT 10SM CLR 18/M08 A2996 RMK AO2 SLP047 T01831078 58023 TSNO

View all Reports & Maps
Sports
Event Date Forecast
Tigers vs. Indians 7:05 PM EDT on May 22, 2012 Partly Cloudy, 63 °F
Royals vs. Yankees 7:05 PM EDT on May 22, 2012 Chance of Rain, 67 °F
Event Date Forecast
Cartagena vs. Córdoba CF 9:00 PM CEST on May 22, 2012 Partly Cloudy, High 82° F/ 28° C
Villarreal B vs. Girona 9:00 PM CEST on May 22, 2012 Overcast, High 71° F/ 22° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Chance of a Thunderstorm, 79 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2012 Clear, 68 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 25, 2012 Partly Cloudy, 72 °F
View all Sports Weather
Weather Stations
Station Location Temp. Dew Point Humidity Wind Precipitation Elevation Updated Type Website
WYDOT Superior by Rock Springs, Rock Springs, WY 53 °F 24 °F 33% WNW  at  1 mph 0.00 in / hr 6706 ft 3:06 AM MDT MADIS
MesoWest Baxter , Rock Springs, WY 53 °F - - North  at  - 0.00 in / hr 6333 ft 2:00 AM MDT MADIS
WYDOT Point of Rocks by Rock Springs, Point Of Rocks, WY 65 °F 20 °F 17% SSW  at  10 mph 0.00 in / hr 6747 ft 3:05 AM MDT MADIS
WYDOT Baxter Road by Rock Springs, Rock Springs, WY 50 °F 24 °F 35% ESE  at  0 mph 0.00 in / hr 6424 ft 3:10 AM MDT MADIS
MesoWest Hallville , Point Of Rocks, WY 58 °F - - North  at  - 0.00 in / hr 6560 ft 2:00 AM MDT MADIS
Rock Springs, WY 58.3 °F 23 °F 25% West  at  4.0 mph 0.00 in / hr 6388 ft 3:27 AM MDT Normal  
RAWS SNOW SPRINGS CREEK WY, Rock Springs, WY 59 °F 14 °F 17% SSW  at  14 mph 0.00 in / hr 7549 ft 2:44 AM MDT MADIS
WYDOT Bitter Creek I-80 east of Rock Spr, Rock Springs, WY 59 °F 21 °F 22% SSW  at  16 mph 0.00 in / hr 7139 ft 3:05 AM MDT MADIS
MesoWest Kanda , Rock Springs, WY 58 °F - - North  at  - 0.00 in / hr 6208 ft 2:00 AM MDT MADIS
WYDOT Rock Springs West by Rock Springs, Rock Springs, WY 58 °F 22 °F 25% WNW  at  0 mph 0.00 in / hr 6902 ft 3:05 AM MDT MADIS
HADS BITTER CREEK 4NE WY, Rock Springs, WY 55 °F - - North  at  - 0.00 in / hr 6720 ft 3:00 AM MDT MADIS
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Special Statement
Mobile & Email Alerts Statement as of 1:46 AM MDT on May 22, 2012

... A major change to colder and unsettled weather is expected for
the second half of the week...

A strong cold front will blast east across the area on Tuesday
bringing widespread showers and isolated thunderstorms to the
northern mountains with gradually lowering snow levels. Strong wind
will develop along the southern wind corridor with borderline high
wind in some areas.

By early Friday... the potential for a significant storm system will
start to take shape for areas east of The Divide. Widespread
moderate to locally heavy rain may develop over the central basins
with heavy wet snow in the nearby foothills and mountains. Some
light to locally moderate snow will continue in Yellowstone National
Park... the absarokas and bighorns also. Cold Valley rain and
mountain snow will continue across the northern mountains... including
Yellowstone National Park through Saturday.

Memorial Day looks much drier with more seasonable temperatures.

Travelers and those with outdoor plans should monitor the latest
forecasts from the National Weather Service on this expected major
change to colder and unsettled weather beginning in the northwest
Tuesday and spreading across all of the area for the second half of
the week into the Memorial Day weekend. Significant snowfall may
accumulate in the central and northern mountains during this
timeframe. The latest forecast can be found at
www.Weather.Gov/Riverton.


245 PM MDT Mon may 21 2012

... A major change to colder and unsettled weather is expected for
the second half of the week...

A strong cold front will blast east across the area on Tuesday
bringing widespread showers and isolated thunderstorms to the
northern mountains with gradually lowering snow levels. This cold
front is just the first in a series of storm systems expected to
impact the area into the Memorial Day weekend. A major storm system
may take shape Friday into Friday night as a large low pressure
system strengthens over the Great Basin leading to widespread valley
rain and mountain snowfall... especially across central Wyoming.

The northern mountains... including Yellowstone National Park... will
be most impacted initially as some snow will develop over the
higher peaks Tuesday and lower to near the valley floor across the
northwest Tuesday night. It will remain cool and unsettled in the
northern mountains Wednesday through Thursday with periods of light
rain at the lowest elevations with some occasional light snow in
the mountains. Some heavier snow is possible in the northwest
mountains Thursday afternoon through Thursday night.

By early Friday... the potential for a significant storm system will
start to take shape for areas east of The Divide. Widespread
moderate to locally heavy rain may develop over the central basins
with heavy wet snow in the nearby foothills and mountains. Some
light to locally moderate snow will continue in Yellowstone National
Park... the absarokas and bighorns also.

The storm system is then expected to gradually lift northward into
Montana Saturday into Sunday. Cold Valley rain and mountain snow will
continue across the northern mountains... including Yellowstone
National Park through Saturday. Temperatures will start to recover on
Sunday in the northern mountains but it will still remain quite
unsettled in Yellowstone National Park on Sunday with light valley
rain and higher elevation snow showers.

Memorial Day looks much drier with more seasonable temperatures.

Travellers and those with outdoor plans should monitor the latest
forecasts from the National Weather Service on this expected major
change to colder and unsettled weather beginning in the northwest
Tuesday and spreading across all of the area for the second half of
the week into the Memorial Day weekend. Significant snowfall may
accumulate in the central and northern mountains during this
timeframe. The latest forecast can be found at
www.Weather.Gov/Riverton.


Record Report
Mobile & Email Alerts Statement as of 6:34 PM MDT on May 21, 2012

... Record high temperature set at Rock Springs this afternoon...

High pressure over the cowboy state brought warmer temperatures to
southern Wyoming this afternoon.

A record high temperature of 83 degrees was set at Rock Springs
today. This breaks the old record of 80 that was set back in 2006.



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