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

63°F

17°C

Humidity 39%
Wind Speed NW 8 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 27 Jun 03:35 AM MDT
Extended Forecast for

6 Miles S Lysite WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. Southwest wind around 8 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm.  Mostly sunny, with a high near 79. Windy, with a west southwest wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy
    then Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 7pm and 8pm.  Mostly cloudy, with a low around 49. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 10%.

    Low: 49 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 71 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 45. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph.

    Low: 45 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 72. Windy, with a west southwest wind 18 to 28 mph, with gusts as high as 37 mph.

    High: 72 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Breezy, with a west southwest wind 19 to 24 mph becoming south 6 to 11 mph after midnight. Winds could gust as high as 34 mph.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Breezy.

    High: 77 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Southwest wind around 8 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 79. Windy, with a west southwest wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.
Saturday Night
A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, with a low around 49. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 10%.
Sunday
Mostly sunny, with a high near 71. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 33 mph.
Sunday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 45. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 72. Windy, with a west southwest wind 18 to 28 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 45. Breezy, with a west southwest wind 19 to 24 mph becoming south 6 to 11 mph after midnight. Winds could gust as high as 34 mph.
Tuesday
Sunny, with a high near 77. Breezy.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 88. Breezy.
Thursday Night
Mostly clear, with a low around 55. Breezy.
Friday
Sunny, with a high near 91. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Lysite WY
 43.15°N 107.71°W (Elev. 5476 ft)
2:47 am MDT Jun 27, 2026
3am 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