Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Rain

68°F

20°C

Humidity 49%
Wind Speed SSE 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Aug 11:05 PM MDT
Extended Forecast for

Casper WY

  • Tonight

    Tonight: Scattered showers, mainly before midnight.  Mostly cloudy, with a low around 55. North wind 5 to 8 mph becoming light and variable.  Chance of precipitation is 40%.

    Low: 55 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers and thunderstorms after 4pm.  Cloudy through mid morning, then becoming mostly sunny, with a high near 82. Breezy, with a west wind 5 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Mostly Cloudy
    then Isolated
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms, mainly before 10pm.  Mostly cloudy, with a low around 52. West wind 5 to 13 mph becoming east in the evening. Winds could gust as high as 21 mph.  Chance of precipitation is 30%.

    Low: 52 °F

    Scattered
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Southwest wind 5 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. North northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the morning.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. North wind 5 to 7 mph becoming south southeast after midnight.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 55. North wind 5 to 8 mph becoming light and variable. Chance of precipitation is 40%.
Tuesday
Isolated showers and thunderstorms after 4pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 82. Breezy, with a west wind 5 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 52. West wind 5 to 13 mph becoming east in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 85. Southwest wind 5 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 54. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 57. North wind 5 to 7 mph becoming south southeast after midnight.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.88°N 106.31°W (Elev. 5200 ft)
9:47 pm MDT Aug 17, 2026
11pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database