Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

Clear

88°F

31°C

Humidity 14%
Wind Speed NNW 18 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 05:00 PM MDT
Extended Forecast for

2 Miles S Bar Nunn WY

  • Tonight

    Tonight: Mostly clear, with a low around 56. Northwest wind 5 to 10 mph becoming light and variable.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. West southwest wind 6 to 11 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. Northwest wind 5 to 9 mph becoming light and variable.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 94. West southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. North wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 91. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 62. South wind 9 to 11 mph.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Breezy.

    High: 91 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Northwest wind 5 to 10 mph becoming light and variable.
Thursday
Sunny, with a high near 90. West southwest wind 6 to 11 mph.
Thursday Night
Partly cloudy, with a low around 58. Northwest wind 5 to 9 mph becoming light and variable.
Friday
Sunny, with a high near 94. West southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 60. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. South wind 9 to 11 mph.
Sunday
Mostly sunny, with a high near 91. Breezy.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Monday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Bar Nunn WY
 42.89°N 106.34°W (Elev. 5272 ft)
2:47 pm MDT Aug 19, 2026
5pm MDT Aug 19, 2026-6pm MDT Aug 26, 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