CASPER, WY 82602 Weather Forecast & Current Conditions

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CASPER, WY
Current Weather

9:53 AM MDT MAY 24, 2026
Clear
72°F
Feels Like: 72°F
Dewpoint: 34°F
Rel. Hum.: 25%
Visibility: 10 miles
Wind: SW at 16 mph
Pressure: 30.03 inches
Last 72 hours

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CASPER, WY 82602
Weather Forecast

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TODAY
Mostly sunny this morning, then partly cloudy with scattered showers with isolated thunderstorms this afternoon. Some thunderstorms may produce gusty winds this afternoon. Breezy with highs in the upper 70s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 30 percent.
TONIGHT
Mostly cloudy with scattered showers with isolated thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce gusty winds in the evening. Breezy with lows in the mid 40s. Southwest winds 15 to 20 mph with gusts up to 30 mph, diminishing to around 10 mph after midnight. Chance of rain 30 percent.
MEMORIAL DAY
Mostly sunny. Highs around 80. Southwest winds 10 to 15 mph.
MONDAY NIGHT
Partly cloudy. Lows around 50. South winds around 10 mph.
TUESDAY
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Breezy with highs around 80. South winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 30 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Breezy with lows around 50. Chance of rain 30 percent.
WEDNESDAY
Partly cloudy in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
WEDNESDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 20 percent.
THURSDAY
Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent.
THURSDAY NIGHT
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Breezy with lows around 50. Chance of rain 30 percent.
FRIDAY
Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs around 80. Chance of rain 30 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Breezy with lows in the upper 40s. Chance of rain 30 percent.
SATURDAY
Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.

Visible Weather Satellite
CASPER, WY 82602
Infrared Weather Satellite
CASPER, WY 82602
NEXRAD Weather Radar
CASPER, WY 82602

CASPER, WY 3 hourly weather forecast

weather forecast created  8:00 PM EDT  5/23/2026
Sunday
24 MAY 2026
CASPER, WY 82602 weather forecast Day 1, 0 hours 12 AM 50° 48° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 50% 32°
Low 45° CASPER, WY 82602 weather forecast Day 1, 3 hours 3 AM 47° 43° Clear WSW   8 53% 31°
High 79° CASPER, WY 82602 weather forecast Day 1, 6 hours 6 AM 46° 41° Clear 1%

0% Thunder
( 1% severe)
SW   10 53% 30°

Increasing Clouds



CASPER, WY 82602 weather forecast Day 1, 9 hours 9 AM 64° 63° Partly Cloudy SW   15 34% 35°
CASPER, WY 82602 weather forecast Day 1, 12 hours 12 PM 73° 73° Partly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 22% severe)
W   17 26% 36°
CASPER, WY 82602 weather forecast Day 1, 15 hours 3 PM 75° 75° Mostly Cloudy W   16 22% 34°
CASPER, WY 82602 weather forecast Day 1, 18 hours 6 PM 74° 74° Mostly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 15% severe)
WSW   12 27% 38°
CASPER, WY 82602 weather forecast Day 1, 21 hours 9 PM 61° 60° Mostly Cloudy SSW   8 48% 41°
Monday
25 MAY 2026
CASPER, WY 82602 weather forecast Day 2, 0 hours 12 AM 54° 52° Partly Cloudy 1%

0% Thunder
( 2% severe)
SW   8 61% 41°
Low 43° CASPER, WY 82602 weather forecast Day 2, 3 hours 3 AM 51° 48° Partly Cloudy SW   8 63% 39°
High 83° CASPER, WY 82602 weather forecast Day 2, 6 hours 6 AM 49° 45° Partly Cloudy 0%

0% Thunder
( 1% severe)
SW   9 63% 37°

Partly Cloudy



CASPER, WY 82602 weather forecast Day 2, 9 hours 9 AM 66° 66° Partly Cloudy SW   12 38% 40°
CASPER, WY 82602 weather forecast Day 2, 12 hours 12 PM 77° 77° Partly Cloudy 1%

0% Thunder
( 19% severe)
SW   10 25% 39°
CASPER, WY 82602 weather forecast Day 2, 15 hours 3 PM 80° 79° Partly Cloudy SW   6 19% 34°
CASPER, WY 82602 weather forecast Day 2, 18 hours 6 PM 79° 78° Partly Cloudy 1%

0% Thunder
( 10% severe)
S   7 20% 35°
CASPER, WY 82602 weather forecast Day 2, 21 hours 9 PM 65° 65° Partly Cloudy SSE   6 38% 39°

CASPER, WY extended weather forecast

Tuesday
26 MAY 2026
Wednesday
27 MAY 2026
Thursday
28 MAY 2026
Friday
29 MAY 2026
Saturday
30 MAY 2026
Low 49° Low 46° Low 45° Low 46° Low 45°
High 81° High 80° High 85° High 80° High 78°
CASPER, WY 82602 weather forecast Day 3 CASPER, WY 82602 weather forecast Day 4 CASPER, WY 82602 weather forecast Day 5 CASPER, WY 82602 weather forecast Day 6 CASPER, WY 82602 weather forecast Day 7
Mostly Cloudy
41% Rain
Mostly Cloudy
38% Rain
Partly Cloudy
23% Rain
Mostly Cloudy
29% Rain
Partly Cloudy
23% Rain
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