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

Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

61°F

16°C

Humidity 15%
Wind Speed W 10 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 30 Mar 08:05 PM MDT
Extended Forecast for

Casper WY

Red Flag Warning March 30, 08:21pm until March 30, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning March 30, 08:21pm until March 30, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 34 °F

    Breezy.
    Cloudy then
    Isolated
    Rain/Snow

  • Tuesday

    Tuesday: Scattered snow showers before 1pm, then rain and snow showers likely between 1pm and 4pm, then rain showers likely after 4pm. Cloudy, with a high near 51. East wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 51 °F

    Scattered
    Snow Showers
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 40. East wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 53. South wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 38. Northeast wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon. Partly sunny, with a high near 60. Windy, with a southwest wind 14 to 19 mph increasing to 26 to 31 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 60%.

    High: 60 °F

    Windy. Slight
    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Rain and snow showers. Low around 31. Windy, with a west southwest wind around 28 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.

    Low: 31 °F

    Rain/Snow and
    Windy

  • Friday

    Friday: Snow showers likely. Partly sunny, with a high near 40. Windy. Chance of precipitation is 70%.

    High: 40 °F

    Snow Showers
    Likely and
    Windy

Detailed Forecast

Tonight
A slight chance of rain and snow showers after 3am. Cloudy, with a low around 34. Breezy, with a west wind 14 to 22 mph becoming northeast after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Tuesday
Scattered snow showers before 1pm, then rain and snow showers likely between 1pm and 4pm, then rain showers likely after 4pm. Cloudy, with a high near 51. East wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 40. East wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Showers. High near 53. South wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 38. Northeast wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 60. Windy, with a southwest wind 14 to 19 mph increasing to 26 to 31 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 60%.
Thursday Night
Rain and snow showers. Low around 31. Windy, with a west southwest wind around 28 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Friday
Snow showers likely. Partly sunny, with a high near 40. Windy. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 26. Blustery.
Saturday
A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 52. Breezy.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 61. Breezy.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 65. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.83°N 106.34°W (Elev. 5236 ft)
Last Update:
6:32 pm MDT Mar 30, 2026
Forecast Valid:
8pm MDT Mar 30, 2026-6pm MDT Apr 6, 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