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

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

77°F

25°C

Humidity 9%
Wind Speed W 19 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 20 Apr 04:53 PM MDT
Extended Forecast for

Casper WY

Red Flag Warning until April 20, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until April 20, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. West wind 6 to 14 mph becoming south southwest in the evening. Winds could gust as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. West southwest wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. South wind 6 to 10 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Windy, with a south southwest wind 13 to 23 mph increasing to 23 to 33 mph in the morning. Winds could gust as high as 48 mph.

    High: 73 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 40. Very windy, with a west southwest wind 34 to 41 mph, with gusts as high as 55 mph.

    Low: 40 °F

    Very Windy.
    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before noon, then rain showers likely. Mostly cloudy, with a high near 54. Very windy, with a west southwest wind 31 to 41 mph becoming north northwest 20 to 30 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%.

    High: 54 °F

    Rain/Snow
    Likely and
    Very Windy

  • Thursday Night

    Thursday Night: Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then snow showers likely after midnight. Mostly cloudy, with a low around 27. Blustery. Chance of precipitation is 70%.

    Low: 27 °F

    Blustery.
    Rain/Snow
    Likely then
    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. West wind around 14 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 46. West wind 6 to 14 mph becoming south southwest in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 80. West southwest wind 9 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 52. South wind 6 to 10 mph.
Wednesday
Mostly sunny, with a high near 73. Windy, with a south southwest wind 13 to 23 mph increasing to 23 to 33 mph in the morning. Winds could gust as high as 48 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 40. Very windy, with a west southwest wind 34 to 41 mph, with gusts as high as 55 mph.
Thursday
A chance of rain and snow showers before noon, then rain showers likely. Mostly cloudy, with a high near 54. Very windy, with a west southwest wind 31 to 41 mph becoming north northwest 20 to 30 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%.
Thursday Night
Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then snow showers likely after midnight. Mostly cloudy, with a low around 27. Blustery. Chance of precipitation is 70%.
Friday
Snow showers likely. Mostly cloudy, with a high near 44. Breezy. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 23.
Saturday
A chance of snow showers. Partly sunny, with a high near 47.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 26.
Sunday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 48.
Sunday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 28.
Monday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.83°N 106.34°W (Elev. 5236 ft)
Last Update:
3:48 pm MDT Apr 20, 2026
Forecast Valid:
5pm MDT Apr 20, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation