Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

75°F

24°C

Humidity 30%
Wind Speed SW 11 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 11 Aug 07:53 AM MDT
Extended Forecast for

4 Miles SSW Casper WY

Red Flag Warning August 11, 12:00pm until August 11, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Widespread smoke, mainly between 9am and 1pm. Mostly sunny, with a high near 90. Breezy, with a south southwest wind 13 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 90 °F

    Smoke and
    Breezy

  • Tonight

    Tonight: Widespread smoke, mainly before 11pm. Partly cloudy, with a low around 66. North northwest wind 5 to 11 mph becoming south southeast after midnight.

    Low: 66 °F

    Smoke

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms, mainly between 2pm and 3pm.  Mostly cloudy, with a high near 85. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. North northeast wind 6 to 14 mph becoming southeast after midnight. Winds could gust as high as 23 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then showers and possibly a thunderstorm after noon.  High near 78. Light and variable wind becoming east 5 to 9 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers.  Low around 58. East southeast wind 6 to 9 mph becoming south southwest after midnight.  Chance of precipitation is 80%.

    Low: 58 °F

    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 79. Breezy, with a south southwest wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 79 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Widespread smoke, mainly between 9am and 1pm. Mostly sunny, with a high near 90. Breezy, with a south southwest wind 13 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.
Tonight
Widespread smoke, mainly before 11pm. Partly cloudy, with a low around 66. North northwest wind 5 to 11 mph becoming south southeast after midnight.
Wednesday
A 10 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly cloudy, with a high near 85. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. North northeast wind 6 to 14 mph becoming southeast after midnight. Winds could gust as high as 23 mph.
Thursday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 78. Light and variable wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Low around 58. East southeast wind 6 to 9 mph becoming south southwest after midnight. Chance of precipitation is 80%.
Friday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Breezy, with a south southwest wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Casper WY
 42.79°N 106.36°W (Elev. 5817 ft)
7:17 am MDT Aug 11, 2026
8am MDT Aug 11, 2026-6pm MDT Aug 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database