Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

93°F

34°C

Humidity 8%
Wind Speed NNW 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 01 Aug 07:35 PM MDT
Extended Forecast for

3 Miles NNW Shoshoni WY

Heat Advisory August 1, 07:51pm until August 2, 10:00pm
Red Flag Warning August 2, 01:00pm until August 2, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  •  
    Heat Advisory August 1, 07:51pm until August 2, 10:00pm

    NOW until 10:00pm Sun

    Heat Advisory

  • Tonight

    Low: 64 °F

    Patchy Smoke

  • Sunday

    Sunday: Patchy smoke after 7am. Sunny and hot, with a high near 103. Breezy, with a light and variable wind becoming west northwest 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 103 °F

    Patchy Smoke
    and Breezy

  • Sunday Night

    Sunday Night: Areas of smoke. Mostly clear, with a low around 62. Breezy, with a northeast wind 5 to 10 mph becoming south 15 to 20 mph.

    Low: 62 °F

    Areas Smoke
    and Breezy

  • Monday

    Monday: Sunny, with a high near 84. Breezy, with a north wind 14 to 21 mph, with gusts as high as 26 mph.

    High: 84 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Breezy, with a northeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 52 °F

    Clear and
    Breezy then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. East wind 5 to 9 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. North northeast wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Tonight
Patchy smoke before 4am, then patchy smoke after 5am. Partly cloudy, with a low around 64. South southwest wind 6 to 8 mph becoming east after midnight.
Sunday
Patchy smoke after 7am. Sunny and hot, with a high near 103. Breezy, with a light and variable wind becoming west northwest 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Areas of smoke. Mostly clear, with a low around 62. Breezy, with a northeast wind 5 to 10 mph becoming south 15 to 20 mph.
Monday
Sunny, with a high near 84. Breezy, with a north wind 14 to 21 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 52. Breezy, with a northeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 85. East wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 55. North northeast wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Shoshoni WY
 43.28°N 108.12°W (Elev. 4800 ft)
6:01 pm MDT Aug 1, 2026
7pm MDT Aug 1, 2026-6pm MDT Aug 8, 2026
 
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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