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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. 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 55%
Wind Speed NW 5 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 01 Aug 12:35 AM MDT
Extended Forecast for

Casper WY

Heat Advisory August 1, 12:00pm until August 2, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Patchy smoke. Mostly clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Patchy Smoke

  • Saturday

    Saturday: Patchy smoke. Sunny and hot, with a high near 99. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 99 °F

    Patchy Smoke

  • Saturday Night

    Saturday Night: Patchy smoke before midnight. Partly cloudy, with a low around 67. Southwest wind 5 to 9 mph becoming south southeast in the evening.

    Low: 67 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 103. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. West southwest wind 6 to 14 mph becoming north northwest after midnight. Winds could gust as high as 24 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86. Breezy, with a north wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 86 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Breezy, with a northeast wind 13 to 23 mph, with gusts as high as 36 mph.

    Low: 53 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 55. Breezy.

    Low: 55 °F

    Clear and
    Breezy then
    Mostly Clear

Detailed Forecast

Overnight
Patchy smoke. Mostly clear, with a low around 58. Light and variable wind.
Saturday
Patchy smoke. Sunny and hot, with a high near 99. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Patchy smoke before midnight. Partly cloudy, with a low around 67. Southwest wind 5 to 9 mph becoming south southeast in the evening.
Sunday
Mostly sunny and hot, with a high near 103. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 64. West southwest wind 6 to 14 mph becoming north northwest after midnight. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 86. Breezy, with a north wind 7 to 16 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 53. Breezy, with a northeast wind 13 to 23 mph, with gusts as high as 36 mph.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Clear, with a low around 55. Breezy.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny and hot, with a high near 98.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.31°W (Elev. 5151 ft)
Last Update:
12:31 am MDT Aug 1, 2026
Forecast Valid:
12am MDT Aug 1, 2026-6pm MDT Aug 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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