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

Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

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

NA

37°F

3°C

Humidity 87%
Wind Speed W 11 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 31 Mar 08:26 PM MDT
Extended Forecast for

7 Miles NNE South Pass City WY

  • Tonight

    Tonight: Rain and snow showers likely, becoming all snow after 4am. Snow level 9000 feet lowering to 8400 feet after midnight . Mostly cloudy, with a low around 33. Southwest wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Scattered
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow showers, mainly before 3pm. Some thunder is also possible. High near 42. West southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely. Mostly cloudy, with a low around 30. West northwest wind 10 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 38. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 38 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Snow showers likely. Mostly cloudy, with a low around 19. Breezy, with a west wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Showers
    Likely and
    Breezy

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 33. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 33 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 20. West wind 5 to 9 mph.

    Low: 20 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain and snow showers likely, becoming all snow after 4am. Snow level 9000 feet lowering to 8400 feet after midnight . Mostly cloudy, with a low around 33. Southwest wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
Snow showers, mainly before 3pm. Some thunder is also possible. High near 42. West southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 30. West northwest wind 10 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
Snow showers. Some thunder is also possible. High near 38. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 19. Breezy, with a west wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 33. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 20. West wind 5 to 9 mph.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 54. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE South Pass City WY
 42.56°N 108.73°W (Elev. 8389 ft)
Last Update:
6:02 pm MDT Mar 31, 2026
Forecast Valid:
8pm MDT Mar 31, 2026-6pm MDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation