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

Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Hazardous Weather Conditions

Current conditions at

I80/US30 - Peru Hill (KCMS)

Lat: 41.54958°NLon: 109.60197°WElev: 6407.0ft.

NA

50°F

10°C

Humidity 25%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility 1.24 mi
Last update 30 Mar 11:56 PM MDT
Extended Forecast for

Green River WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. West wind around 5 mph becoming calm.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 56. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    High: 56 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Rain showers likely before 3am, then rain likely, possibly mixed with snow showers between 3am and 4am, then rain showers likely after 4am. Some thunder is also possible. Mostly cloudy, with a low around 37. West wind 5 to 10 mph becoming light. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Showers then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 54. Breezy, with a west wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 34. Breezy, with a west wind 12 to 17 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Showers

  • Thursday

    Thursday: Rain and snow showers. Some thunder is also possible. High near 49. Windy, with a south wind 6 to 11 mph becoming west 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 80%.

    High: 49 °F

    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. Breezy, with a west wind 16 to 24 mph, with gusts as high as 31 mph.

    Low: 23 °F

    Chance Snow
    Showers and
    Breezy

  • Friday

    Friday: A 20 percent chance of snow showers. Partly sunny, with a high near 44. Breezy.

    High: 44 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23. Blustery.

    Low: 23 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. West wind around 5 mph becoming calm.
Tuesday
A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 56. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Tuesday Night
Rain showers likely before 3am, then rain likely, possibly mixed with snow showers between 3am and 4am, then rain showers likely after 4am. Some thunder is also possible. Mostly cloudy, with a low around 37. West wind 5 to 10 mph becoming light. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
Showers likely. Mostly cloudy, with a high near 54. Breezy, with a west wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 34. Breezy, with a west wind 12 to 17 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Rain and snow showers. Some thunder is also possible. High near 49. Windy, with a south wind 6 to 11 mph becoming west 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. Breezy, with a west wind 16 to 24 mph, with gusts as high as 31 mph.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 44. Breezy.
Friday Night
Partly cloudy, with a low around 23. Blustery.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 30.
Monday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Green River WY
 41.54°N 109.47°W (Elev. 6188 ft)
Last Update:
11:47 pm MDT Mar 30, 2026
Forecast Valid:
12am MDT Mar 31, 2026-6pm MDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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