Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

65°F

18°C

Humidity	54%
Wind Speed	N 9 MPH
Barometer	30.33 in (1027.09 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	25 Aug 08:41 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Casper WY

Today
High: 84 °F
Becoming
Sunny
Tonight
Low: 55 °F
Partly Cloudy
Wednesday
High: 86 °F
Mostly Sunny
Wednesday Night
Low: 57 °F
Partly Cloudy
Thursday
High: 91 °F
Sunny
Thursday Night
Low: 60 °F
Partly Cloudy
Friday
High: 92 °F
Mostly Sunny
then Partly
Sunny and
Breezy
Friday Night
Low: 60 °F
Slight Chance
T-storms then
Mostly Cloudy
Saturday
High: 88 °F
Partly Sunny
then Mostly
Sunny and
Breezy

Detailed Forecast

Today

Partly sunny, then gradually becoming sunny, with a high near 84. West wind 5 to 8 mph becoming north northeast in the afternoon.

Tonight

Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph becoming light and variable after midnight.

Wednesday

Mostly sunny, with a high near 86. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 57. East wind 8 to 13 mph becoming light and variable after midnight.

Thursday

Sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 60. South southwest wind 5 to 8 mph.

Friday

Mostly sunny, with a high near 92. Breezy, with a west southwest wind 9 to 15 mph, with gusts as high as 26 mph.

Friday Night

A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.

Saturday

Partly sunny, with a high near 88. Breezy.

Saturday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Breezy.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Breezy.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. Breezy.

Monday

Mostly sunny, with a high near 85.

Additional Forecasts and Information

Zone Area Forecast for Natrona County Lower Elevations, WY

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ABOUT THIS FORECAST

Point Forecast:

Casper WY
42.85°N 106.34°W (Elev. 5154 ft)

8:32 am MDT Aug 25, 2026

Forecast Valid:

8am MDT Aug 25, 2026-6pm MDT Aug 31, 2026

Forecast Discussion

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