Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

70°F

21°C

Humidity 22%
Wind Speed SE 5 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Jun 12:35 PM MDT
Extended Forecast for

Riverton WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. North northeast wind 5 to 8 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Northeast wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 92. Breezy, with a light northwest wind becoming west northwest 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 92 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 57. Breezy, with a west southwest wind 19 to 24 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 37 mph.

    Low: 57 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Breezy, with a north wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 84 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Breezy, with a northeast wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. East northeast wind 5 to 9 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. North northeast wind 5 to 8 mph.
Tonight
Mostly cloudy, with a low around 48. Northeast wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 92. Breezy, with a light northwest wind becoming west northwest 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 57. Breezy, with a west southwest wind 19 to 24 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 37 mph.
Wednesday
Sunny, with a high near 84. Breezy, with a north wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 47. Breezy, with a northeast wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.
Thursday
Sunny, with a high near 81. East northeast wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 49.
Juneteenth
Mostly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50. Breezy.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
12:31 pm MDT Jun 15, 2026
12pm MDT Jun 15, 2026-6pm MDT Jun 21, 2026
 
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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