Dangerous, Heat Wave Persists in the Eastern U.S.; Severe Weather Expected in the Central Plains and Mid-Atlantic

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across the 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 28%
Wind Speed W 11 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 03 Jul 11:20 PM MDT
Extended Forecast for

14 Miles SSW Lysite WY

  • Tonight

    Tonight: Mostly clear, with a low around 54. South southwest wind 6 to 8 mph.

    Low: 54 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 86. South wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. West wind 6 to 9 mph becoming south southeast after midnight.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South southeast wind around 6 mph becoming north northwest in the afternoon.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. North northwest wind 5 to 7 mph becoming south after midnight.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Light and variable wind becoming east 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. Breezy, with an east wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. South southwest wind 6 to 8 mph.
Independence Day
Sunny, with a high near 86. South wind 5 to 8 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 58. West wind 6 to 9 mph becoming south southeast after midnight.
Sunday
Sunny, with a high near 91. South southeast wind around 6 mph becoming north northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 59. North northwest wind 5 to 7 mph becoming south after midnight.
Monday
Mostly sunny, with a high near 88. Light and variable wind becoming east 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 59. Breezy, with an east wind 13 to 18 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SSW Lysite WY
 43.06°N 107.82°W (Elev. 5597 ft)
11:18 pm MDT Jul 3, 2026
11pm MDT Jul 3, 2026-6pm MDT Jul 10, 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