Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Overcast

41°F

5°C

Humidity 50%
Wind Speed N 13 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 18 May 03:53 PM MDT
Extended Forecast for

Shoshoni WY

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly cloudy, with a high near 41. North wind around 8 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 41 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. North northeast wind 5 to 9 mph becoming south southeast in the evening.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 54. Light south southwest wind becoming south southeast 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Southeast wind 6 to 14 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38. South wind 6 to 10 mph becoming northeast after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow showers before noon, then rain showers likely. Some thunder is also possible.  Partly sunny, with a high near 60. Northeast wind 6 to 13 mph becoming north northwest in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    High: 60 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 36. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 65. Chance of precipitation is 20%.

    High: 65 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly cloudy, with a high near 41. North wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 26. North northeast wind 5 to 9 mph becoming south southeast in the evening.
Tuesday
Sunny, with a high near 54. Light south southwest wind becoming south southeast 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 29. Southeast wind 6 to 14 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 64. Light south wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 38. South wind 6 to 10 mph becoming northeast after midnight.
Thursday
A chance of rain and snow showers before noon, then rain showers likely. Some thunder is also possible. Partly sunny, with a high near 60. Northeast wind 6 to 13 mph becoming north northwest in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Friday
A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 65. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Shoshoni WY
 43.23°N 108.11°W (Elev. 4800 ft)
3:31 pm MDT May 18, 2026
4pm MDT May 18, 2026-6pm MDT May 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database