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.

Overcast

45°F

7°C

Humidity 93%
Wind Speed WSW 5 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Oct 07:20 PM MDT
Extended Forecast for

Arapahoe WY

Freeze Watch October 16, 12:00am until October 16, 09:00am
Click here for hazard details and duration
Freeze Watch
  • Tonight

    Tonight: Showers likely, mainly before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 39. Light north wind becoming north northwest 8 to 13 mph in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 54. Breezy, with a north northeast wind 8 to 15 mph, with gusts as high as 21 mph.

    High: 54 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northeast wind 5 to 7 mph becoming calm  in the evening.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Calm wind becoming east northeast around 5 mph.

    High: 57 °F

    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 67. Light and variable wind.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Calm wind becoming southwest around 5 mph after midnight.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 39. Light north wind becoming north northwest 8 to 13 mph in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Sunny, with a high near 54. Breezy, with a north northeast wind 8 to 15 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 29. Northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 57. Calm wind becoming east northeast around 5 mph.
Friday Night
Mostly clear, with a low around 31. Calm wind.
Saturday
Sunny, with a high near 67. Light and variable wind.
Saturday Night
Mostly clear, with a low around 34. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 37.
Tuesday
A slight chance of showers. Sunny, with a high near 65.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 38.
Wednesday
A chance of showers. Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe WY
 42.97°N 108.46°W (Elev. 4993 ft)
6:18 pm MDT Oct 14, 2026
7pm MDT Oct 14, 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