National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

48°F

9°C

Humidity 42%
Wind Speed NW 9 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 10 Sep 12:20 AM MDT
Extended Forecast for

3 Miles SSW Alcova WY

Red Flag Warning September 10, 12:36am until September 10, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning September 10, 12:36am until September 10, 09:00pm

    NOW until 9:00pm Thu

    Red Flag Warning

  • Overnight

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Breezy, with a west southwest wind 9 to 18 mph, with gusts as high as 25 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 81 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 47. Breezy, with a west wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.

    Low: 47 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 81. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 55. Southwest wind 8 to 11 mph becoming southeast in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78. Windy.

    High: 78 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Overnight
Clear, with a low around 48. Southwest wind 7 to 9 mph.
Thursday
Sunny, with a high near 82. Breezy, with a west southwest wind 9 to 18 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 57. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Friday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 47. Breezy, with a west wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 81. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 55. Southwest wind 8 to 11 mph becoming southeast in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 78. Windy.
Sunday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 47. Breezy.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Alcova WY
 42.52°N 106.75°W (Elev. 5499 ft)
Last Update:
12:17 am MDT Sep 10, 2026
Forecast Valid:
12am MDT Sep 10, 2026-6pm MDT Sep 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation