
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.
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 Chill | 42°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
Tonight
Low: 39 °F
Showers
Likely then
Slight Chance
ShowersThursday
High: 54 °F
Mostly Sunny
then Sunny
and BreezyThursday Night

Low: 29 °F
Mostly Clear
Friday

High: 57 °F
Sunny
Friday Night

Low: 31 °F
Mostly Clear
Saturday

High: 67 °F
Sunny
Saturday Night

Low: 34 °F
Mostly Clear
Sunday

High: 63 °F
Sunny
Sunday Night

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Arapahoe WY
42.97°N 108.46°W (Elev. 4993 ft)
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



