Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

48°F

9°C

Humidity 46%
Wind Speed ENE 5 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 15 Sep 02:20 AM MDT
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Clear, with a low around 41. North wind 5 to 7 mph.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 75. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 75 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. North northeast wind 5 to 7 mph becoming west southwest after midnight.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. Light and variable wind becoming northeast 5 to 9 mph in the morning.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. Breezy, with an east northeast wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 50 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 78. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 50. South wind 6 to 8 mph becoming west southwest in the evening.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. Breezy.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers.  Mostly clear, with a low around 45.

    Low: 45 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 41. North wind 5 to 7 mph.
Tuesday
Increasing clouds, with a high near 75. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 48. North northeast wind 5 to 7 mph becoming west southwest after midnight.
Wednesday
Sunny, with a high near 81. Light and variable wind becoming northeast 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 50. Breezy, with an east northeast wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Thursday
A 10 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 78. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. South wind 6 to 8 mph becoming west southwest in the evening.
Friday
Sunny, with a high near 79. Breezy.
Friday Night
A 20 percent chance of showers. Mostly clear, with a low around 45.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
12:31 am MDT Sep 15, 2026
2am MDT Sep 15, 2026-6pm MDT Sep 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