Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

light snow,mist

32°F

0°C

Humidity 92%
Wind Speed NNE 21 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 30°F (-1°C)
Visibility 1.00 mi
Wind Chill20°F (-7°C)
Last update 18 May 08:35 AM MDT
Extended Forecast for

7 Miles SSE Casper WY

Winter Storm Warning May 18, 08:48am until May 18, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning May 18, 08:48am until May 18, 06:00pm

    NOW until 6:00pm Mon

    Winter Storm Warning

  • Today

    High: 26 °F

    Heavy Snow
    and Blowing
    Snow

  • Tonight

    Tonight: A 50 percent chance of snow showers before 10pm.  Patchy fog before 11pm.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 19. North wind 5 to 9 mph becoming light and variable.  New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. West southwest wind 6 to 8 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. South wind 6 to 10 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43. Southwest wind around 10 mph, with gusts as high as 23 mph.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. South wind around 9 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow showers before noon, then a chance of rain and snow showers. Some thunder is also possible.  Snow level rising to 8800 feet in the afternoon. Partly sunny, with a high near 45. South southwest wind 7 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 40%.

    High: 45 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers before midnight. Some thunder is also possible.  Snow level 8600 feet lowering to 7800 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
Snow showers. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. High near 26. Blustery, with a north wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 10 to 14 inches possible.
Tonight
A 50 percent chance of snow showers before 10pm. Patchy fog before 11pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 19. North wind 5 to 9 mph becoming light and variable. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 33. West southwest wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 18. South wind 6 to 10 mph.
Wednesday
Sunny, with a high near 43. Southwest wind around 10 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 30. South wind around 9 mph, with gusts as high as 21 mph.
Thursday
A slight chance of snow showers before noon, then a chance of rain and snow showers. Some thunder is also possible. Snow level rising to 8800 feet in the afternoon. Partly sunny, with a high near 45. South southwest wind 7 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Thursday Night
A slight chance of rain and snow showers before midnight. Some thunder is also possible. Snow level 8600 feet lowering to 7800 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Friday
A slight chance of snow showers before noon, then a slight chance of rain showers. Some thunder is also possible. Snow level rising to 9100 feet in the afternoon. Mostly sunny, with a high near 51. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Sunny, with a high near 62. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Casper WY
 42.75°N 106.3°W (Elev. 7822 ft)
6:02 am MDT May 18, 2026
8am MDT May 18, 2026-6pm MDT May 24, 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