Extreme Heat and Fire Weather Conditions in the West; Heavy Rain in the Southeast; Poor Air Quality

Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

72°F

22°C

Humidity 18%
Wind Speed NW 12 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 05 Aug 09:30 PM MDT
Extended Forecast for

Arapahoe WY

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind 6 to 9 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West southwest wind 5 to 11 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Breezy, with a light west southwest wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 32 mph.

    High: 97 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. Breezy, with a west southwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.

    Low: 59 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87. Breezy, with a west wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 87 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. Breezy, with a west northwest wind 7 to 16 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. West wind 6 to 9 mph.
Wednesday
Sunny, with a high near 95. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. West southwest wind 5 to 11 mph.
Thursday
Sunny and hot, with a high near 97. Breezy, with a light west southwest wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 32 mph.
Thursday Night
Mostly cloudy, with a low around 59. Breezy, with a west southwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
Friday
Mostly sunny, with a high near 87. Breezy, with a west wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Mostly clear, with a low around 49. Breezy, with a west northwest wind 7 to 16 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe WY
 42.97°N 108.46°W (Elev. 4993 ft)
8:58 pm MDT Aug 5, 2025
9pm MDT Aug 5, 2025-6pm MDT Aug 12, 2025
 
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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