Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975° N Lon: 106.47306° W Elev: 5348.0 ft.

Clear

82°F

28°C

Humidity 15%
Wind Speed WSW 12 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 31 Aug 01:20 PM MDT
Detailed forecast for

Casper Mountain

This Afternoon
Partly cloudy. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 25 mph.
Tonight
Cloudy. Scattered showers with isolated thunderstorms after midnight. Lows in the mid 50s. East winds around 10 mph, becoming south after midnight. Chance of rain 30 percent.
Tuesday
Mostly cloudy with scattered showers in the morning, then mostly sunny in the afternoon. Breezy with highs in the lower 70s. Southwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 30 percent.
Tuesday Night
Partly cloudy in the evening, then clearing. Breezy with lows in the mid 50s. Southwest winds 15 to 20 mph. Gusts up to 35 mph after midnight.
Wednesday
Mostly sunny and breezy. Highs in the lower 70s. Southwest winds 20 to 25 mph with gusts up to 45 mph.
Wednesday Night
Mostly clear and breezy. Lows in the mid 50s.
Thursday
Sunny, breezy with highs in the mid 70s.
Thursday Night
Clear. Lows in the mid 50s.
Friday
Sunny, breezy with highs in the upper 70s.
Friday Night
Mostly clear. Lows in the upper 50s.
Saturday
Partly cloudy in the morning, then clearing. A slight chance of. Highs in the upper 70s.
Saturday Night
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the mid 50s. Chance of rain 20 percent.
Sunday
Mostly cloudy in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.



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1232 PM MDT Mon Aug 31 2026
 
 

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