Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

70°F

21°C

Humidity 26%
Wind Speed W 36 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 27 Jun 11:20 AM MDT
Extended Forecast for

6 Miles S Lysite WY

  • Today

    Today: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could be severe.  Partly sunny, with a high near 79. Windy, with a west southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph.  Chance of precipitation is 40%.

    High: 79 °F

    Severe
    Thunderstorms
    and Windy

  • Tonight

    Tonight: Scattered showers, mainly before 1am.  Mostly cloudy, with a low around 49. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%.

    Low: 49 °F

    Scattered
    Showers and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 34 mph.

    High: 71 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 29 mph.

    Low: 45 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 72. Windy, with a west southwest wind 21 to 28 mph, with gusts as high as 38 mph.

    High: 72 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Breezy, with a west southwest wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 36 mph.

    Low: 44 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Breezy, with a south wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 77 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could be severe. Partly sunny, with a high near 79. Windy, with a west southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 40%.
Tonight
Scattered showers, mainly before 1am. Mostly cloudy, with a low around 49. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 71. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 45. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 72. Windy, with a west southwest wind 21 to 28 mph, with gusts as high as 38 mph.
Monday Night
Mostly clear, with a low around 44. Breezy, with a west southwest wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 36 mph.
Tuesday
Sunny, with a high near 77. Breezy, with a south wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 88. Breezy.
Thursday Night
Mostly clear, with a low around 54. Breezy.
Friday
Sunny, with a high near 90. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Lysite WY
 43.15°N 107.71°W (Elev. 5476 ft)
10:33 am MDT Jun 27, 2026
11am MDT Jun 27, 2026-6pm MDT Jul 3, 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