National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

Lat: 42.47752°NLon: 108.8444°WElev: 8196.0ft.

NA

28°F

-2°C

Humidity 89%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 1.24 mi
Last update 21 May 07:42 AM MDT
Extended Forecast for

15 Miles NW South Pass City WY

Winter Weather Advisory May 21, 07:54am until May 21, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory May 21, 07:54am until May 21, 06:00pm

    NOW until 6:00pm Tue

    Winter Weather Advisory

  • Today

    High: 27 °F

    Heavy Snow

  • Tonight

    Tonight: Scattered snow showers, mainly before 9pm. Some thunder is also possible. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Wind chill values as low as zero. Breezy, with a north northwest wind 9 to 17 mph becoming west southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 30%.

    Low: 16 °F

    Scattered
    Snow Showers
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Isolated snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 35. Windy, with a west southwest wind 13 to 18 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 20%.

    High: 35 °F

    Partly Sunny
    and Breezy
    then Isolated
    Snow Showers
    and Windy

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly after midnight. Mostly cloudy, with a low around 20. Windy, with a southwest wind 26 to 31 mph decreasing to 18 to 23 mph in the evening. Winds could gust as high as 47 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 20 °F

    Snow Showers
    Likely and
    Windy

  • Thursday

    Thursday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 27. Very windy, with a west southwest wind 30 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Snow Showers
    Likely and
    Very Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 14. Windy, with a west wind 23 to 28 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph.

    Low: 14 °F

    Chance Snow
    Showers and
    Windy then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 35. Breezy, with a west southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 35 °F

    Breezy.
    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Slight Chance
    Snow Showers
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Today
Snow showers likely, mainly before 5pm. The snow could be heavy at times. Some thunder is also possible. Cloudy, with a high near 27. East northeast wind 5 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 70%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Scattered snow showers, mainly before 9pm. Some thunder is also possible. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Wind chill values as low as zero. Breezy, with a north northwest wind 9 to 17 mph becoming west southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Wednesday
Isolated snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 35. Windy, with a west southwest wind 13 to 18 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 20%.
Wednesday Night
Snow showers likely, mainly after midnight. Mostly cloudy, with a low around 20. Windy, with a southwest wind 26 to 31 mph decreasing to 18 to 23 mph in the evening. Winds could gust as high as 47 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 27. Very windy, with a west southwest wind 30 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 14. Windy, with a west wind 23 to 28 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph.
Friday
A 30 percent chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 35. Breezy, with a west southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 21. Breezy.
Saturday
A 40 percent chance of snow showers, mainly after noon. Some thunder is also possible. Mostly sunny, with a high near 41. Windy.
Saturday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 22. Windy.
Sunday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 37. Windy.
Sunday Night
A chance of snow showers. Mostly clear, with a low around 22. Windy.
Memorial Day
A slight chance of snow showers. Sunny, with a high near 44. Breezy.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NW South Pass City WY
 42.65°N 108.98°W (Elev. 11499 ft)
Last Update:
6:28 am MDT May 21, 2024
Forecast Valid:
7am MDT May 21, 2024-6pm MDT May 27, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation