Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.9° N Lon: 106.47° W Elev: 5348 ft.

Fair

55°F

13°C

Humidity 77%
Wind Speed SW 9 mph
Barometer 30.17 in (1016.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 19 Aug 4:53 am MDT
Detailed forecast for

Shirley Basin

Rest Of Tonight
Mostly clear. Lows around 50. West winds around 5 mph.
Wednesday
Sunny. Highs around 80. West winds 10 to 15 mph.
Wednesday Night
Mostly clear. Lows in the lower 50s. North winds 10 to 15 mph, becoming east around 5 mph after midnight.
Thursday
Sunny, hot with highs in the mid 80s. West winds 5 to 10 mph.
Thursday Night
Mostly clear. Lows in the mid 50s. Northeast winds 5 to 10 mph, becoming southeast after midnight.
Friday
Sunny, hot with highs in the upper 80s.
Friday Night
Partly cloudy. Lows in the mid 50s.
Saturday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 80s. Chance of rain 50 percent.
Saturday Night
Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 40 percent.
Sunday
Mostly sunny. Highs in the lower 80s.
Sunday Night
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 50s. Chance of rain 30 percent.
Monday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
Monday Night
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 50s. Chance of rain 40 percent.
Tuesday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.



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1227 AM MDT Wed Aug 19 2026
 
 

Additional Resources

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National Digital Forecast Database