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

52°F

11°C

Humidity 71%
Wind Speed WSW 6 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Aug 05:35 AM MDT
Extended Forecast for

19 Miles NW Alcova WY

  • Today

    Today: Patchy smoke before 10am. Sunny, with a high near 84. West southwest wind 5 to 11 mph becoming northwest in the afternoon.

    High: 84 °F

    Patchy Smoke
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. North northwest wind 6 to 9 mph becoming south southeast in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 88. West southwest wind 5 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. North northeast wind 5 to 13 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 59. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 34 mph.

    High: 82 °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 57.

    Low: 57 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Patchy smoke before 10am. Sunny, with a high near 84. West southwest wind 5 to 11 mph becoming northwest in the afternoon.
Tonight
Increasing clouds, with a low around 57. North northwest wind 6 to 9 mph becoming south southeast in the evening.
Friday
Sunny, with a high near 88. West southwest wind 5 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 58. North northeast wind 5 to 13 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 82. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 34 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Monday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NW Alcova WY
 42.72°N 107.01°W (Elev. 7201 ft)
5:47 am MDT Aug 20, 2026
5am MDT Aug 20, 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