Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

43°F

6°C

Humidity 70%
Wind Speed NNW 11 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Oct 05:15 AM MDT
Extended Forecast for

Arapahoe WY

Freeze Warning October 15, 11:00pm until October 16, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Today

    Today: Sunny, with a high near 54. North northeast wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am. Widespread frost, mainly after 2am.  Otherwise, mostly clear, with a low around 28. Northeast wind 5 to 8 mph becoming calm  after midnight.

    Low: 28 °F

    Areas Frost
    then Frost
    and Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am. Widespread frost before 10am.  Otherwise, sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Frost and
    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66. Light southeast wind.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Light southwest wind.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 54. North northeast wind 8 to 14 mph, with gusts as high as 20 mph.
Tonight
Patchy fog before 2am, then patchy fog after 3am. Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 28. Northeast wind 5 to 8 mph becoming calm after midnight.
Friday
Areas of fog before 9am. Widespread frost before 10am. Otherwise, sunny, with a high near 58. Light and variable wind.
Friday Night
Mostly clear, with a low around 31. Calm wind.
Saturday
Sunny, with a high near 66. Light southeast wind.
Saturday Night
Mostly clear, with a low around 35. Light southwest wind.
Sunday
Sunny, with a high near 65. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 68.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 41.
Wednesday
A chance of showers. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe WY
 42.97°N 108.49°W (Elev. 5036 ft)
4:48 am MDT Oct 15, 2026
5am MDT Oct 15, 2026-6pm MDT Oct 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database