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

75°F

24°C

Humidity 17%
Wind Speed NW 5 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 02 Aug 03:35 AM MDT
Extended Forecast for

6 Miles E Saint Stephens WY

Heat Advisory August 2, 03:54am 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 2, 03:54am until August 2, 10:00pm

    NOW until 10:00pm Sun

    Heat Advisory

  • Overnight

    Low: 65 °F

    Patchy Smoke

  • Sunday

    Sunday: Widespread smoke, mainly after 2pm. Partly sunny, then gradually becoming sunny and hot, with a high near 100. Breezy, with a west southwest wind 5 to 10 mph becoming west southwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 100 °F

    Smoke and
    Breezy

  • Sunday Night

    Sunday Night: Widespread smoke, mainly between 11pm and 1am. Partly cloudy, with a low around 63. Breezy, with a west wind 12 to 17 mph becoming light and variable. Winds could gust as high as 26 mph.

    Low: 63 °F

    Smoke and
    Breezy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 83. Breezy, with a north northeast wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 83 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Breezy, with an east wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 53 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 81. East wind 7 to 11 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Breezy, with a north northeast wind 11 to 16 mph becoming east 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 55 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Overnight
Patchy smoke before 5am. Partly cloudy, with a low around 65. Southwest wind around 6 mph.
Sunday
Widespread smoke, mainly after 2pm. Partly sunny, then gradually becoming sunny and hot, with a high near 100. Breezy, with a west southwest wind 5 to 10 mph becoming west southwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Widespread smoke, mainly between 11pm and 1am. Partly cloudy, with a low around 63. Breezy, with a west wind 12 to 17 mph becoming light and variable. Winds could gust as high as 26 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 83. Breezy, with a north northeast wind 9 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 53. Breezy, with an east wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
Sunny, with a high near 81. East wind 7 to 11 mph.
Tuesday Night
Mostly clear, with a low around 55. Breezy, with a north northeast wind 11 to 16 mph becoming east 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Saint Stephens WY
 42.95°N 108.07°W (Elev. 5577 ft)
2:47 am MDT Aug 2, 2026
3am MDT Aug 2, 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