Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

62°F

17°C

Humidity 39%
Wind Speed E 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Jun 12:53 AM MDT
Extended Forecast for

Casper WY

  • Overnight

    Overnight: Partly cloudy, with a low around 50. East wind 5 to 9 mph becoming light northeast.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of thunderstorms after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 87. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of thunderstorms before 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North northwest wind 6 to 11 mph becoming light and variable.  Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly between noon and 3pm.  Partly sunny, with a high near 77. West southwest wind 7 to 11 mph becoming north northeast in the afternoon.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 46. North northeast wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 46 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 81. Breezy, with a light and variable wind becoming north 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 46. Breezy, with a north northeast wind 13 to 18 mph becoming light  after midnight. Winds could gust as high as 29 mph.

    Low: 46 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. East wind 5 to 9 mph becoming light northeast.
Saturday
A slight chance of thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 87. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of thunderstorms before 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North northwest wind 6 to 11 mph becoming light and variable. Chance of precipitation is 20%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly between noon and 3pm. Partly sunny, with a high near 77. West southwest wind 7 to 11 mph becoming north northeast in the afternoon.
Sunday Night
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 46. North northeast wind 5 to 10 mph becoming light and variable after midnight.
Monday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 81. Breezy, with a light and variable wind becoming north 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. Breezy, with a north northeast wind 13 to 18 mph becoming light after midnight. Winds could gust as high as 29 mph.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 84.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.88°N 106.31°W (Elev. 5200 ft)
12:31 am MDT Jun 20, 2026
1am MDT Jun 20, 2026-6pm MDT Jun 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