
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 >
Hazardous Weather Conditions
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 Chill | 37°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
Today

High: 54 °F
Sunny
Tonight
Low: 28 °F
Areas Frost
then Frost
and Patchy
FogFriday
High: 58 °F
Frost and
Areas Fog
then SunnyFriday Night

Low: 31 °F
Mostly Clear
Saturday

High: 66 °F
Sunny
Saturday Night

Low: 35 °F
Mostly Clear
Sunday

High: 65 °F
Sunny
Sunday Night

Low: 36 °F
Mostly Clear
Monday

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Arapahoe WY
42.97°N 108.49°W (Elev. 5036 ft)
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



