Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

64°F

18°C

Humidity 25%
Wind Speed ENE 9 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 12 May 10:35 PM MDT
Extended Forecast for

11 Miles N Riverton Regional Airport WY

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northeast wind 5 to 7 mph becoming light and variable.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Sunny, with a high near 92. Windy, with a light and variable wind becoming southwest 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 92 °F

    Sunny then
    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 8pm and 10pm.  Cloudy during the early evening, then gradual clearing, with a low around 52. Windy, with a southwest wind 19 to 29 mph becoming west southwest 8 to 13 mph. Winds could gust as high as 40 mph.  Chance of precipitation is 20%.

    Low: 52 °F

    Windy. Slight
    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Windy, with a west wind 20 to 26 mph, with gusts as high as 41 mph.

    High: 76 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 43 °F

    Mostly Clear
    and Breezy
    then Clear

  • Friday

    Friday: Sunny, with a high near 77. Windy, with a west wind 8 to 18 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 77 °F

    Sunny then
    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Windy, with a west northwest wind 20 to 25 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 36 mph.

    Low: 41 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Breezy.

    High: 76 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Northeast wind 5 to 7 mph becoming light and variable.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 92. Windy, with a light and variable wind becoming southwest 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.
Wednesday Night
A slight chance of showers between 8pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 52. Windy, with a southwest wind 19 to 29 mph becoming west southwest 8 to 13 mph. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 76. Windy, with a west wind 20 to 26 mph, with gusts as high as 41 mph.
Thursday Night
Mostly clear, with a low around 43. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Friday
Sunny, with a high near 77. Windy, with a west wind 8 to 18 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Mostly clear, with a low around 41. Windy, with a west northwest wind 20 to 25 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 36 mph.
Saturday
Mostly sunny, with a high near 76. Breezy.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. Breezy.
Sunday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 56. Breezy. Chance of precipitation is 50%.
Sunday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 33. Windy.
Monday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 52. Windy.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Riverton Regional Airport WY
 43.21°N 108.44°W (Elev. 5121 ft)
10:02 pm MDT May 12, 2026
10pm MDT May 12, 2026-6pm MDT May 19, 2026
 
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Additional Resources

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