MILLS, WY 82644 Weather Forecast & Current Conditions

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CASPER, WY
Current Weather

6:53 AM MDT APR 21, 2026
Clear
46°F
Feels Like: 40°F
Dewpoint: 27°F
Rel. Hum.: 47%
Visibility: 10 miles
Wind: WSW at 12 mph
Pressure: 30.00 inches
Last 72 hours

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MILLS, WY 82644
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs around 80. Southwest winds 10 to 15 mph with gusts up to 25 mph.
TONIGHT
Partly cloudy. Lows around 50. South winds 10 to 15 mph with gusts up to 25 mph.
WEDNESDAY
Partly cloudy in the morning, then clearing. Windy with highs around 70. Southwest winds 20 to 30 mph, increasing to 30 to 35 mph in the afternoon. Gusts up to 55 mph.
WEDNESDAY NIGHT
Partly cloudy with a slight chance of rain showers. A slight chance of snow showers after midnight. Windy with lows in the upper 30s. Southwest winds 25 to 35 mph. Gusts up to 55 mph, decreasing to 45 mph after midnight. Chance of precipitation 20 percent.
THURSDAY
Partly cloudy with a chance of snow and rain showers in the morning, then mostly cloudy with rain showers, snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Windy, cooler with highs in the lower 50s. West winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 60 percent.
THURSDAY NIGHT
Rain showers with a slight chance of thunderstorms in the evening. Snow showers. Light snow accumulation. Breezy with lows in the mid 20s. Chance of precipitation 80 percent.
FRIDAY
Snow showers likely. A slight chance of thunderstorms in the afternoon. New light snow accumulation possible. Highs around 40. Chance of snow 70 percent.
FRIDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 40 percent chance of snow showers. Cold with lows around 20.
SATURDAY
Partly cloudy in the morning, then clearing. A 20 percent chance of snow showers. Highs in the mid 40s.
SATURDAY NIGHT
Partly cloudy. A slight chance of rain and snow showers in the evening, then a chance of snow showers after midnight. Lows in the mid 20s. Chance of precipitation 30 percent.
SUNDAY
Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Chance of precipitation 40 percent.
SUNDAY NIGHT
Mostly cloudy. A chance of snow and rain showers in the evening, then a slight chance of snow showers after midnight. Lows in the upper 20s. Chance of precipitation 30 percent.
MONDAY
Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent.

Visible Weather Satellite
MILLS, WY 82644
Infrared Weather Satellite
MILLS, WY 82644
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MILLS, WY 82644

CASPER, WY 3 hourly weather forecast

weather forecast created  8:00 PM EDT  4/20/2026
Tuesday
21 APR 2026
MILLS, WY 82644 weather forecast Day 1, 0 hours 12 AM 49° 46° Partly Cloudy 1%

0% Thunder
( 0% severe)
W   7 26% 17°
Low 44° MILLS, WY 82644 weather forecast Day 1, 3 hours 3 AM 45° 41° Partly Cloudy SW   8 32% 18°
High 80° MILLS, WY 82644 weather forecast Day 1, 6 hours 6 AM 45° 40° Clear 0%

0% Thunder
( 0% severe)
SW   9 34% 19°

Partly Cloudy



MILLS, WY 82644 weather forecast Day 1, 9 hours 9 AM 61° 59° Clear SW   12 23% 23°
MILLS, WY 82644 weather forecast Day 1, 12 hours 12 PM 74° 74° Partly Cloudy 2%

0% Thunder
( 2% severe)
WSW   15 16% 25°
MILLS, WY 82644 weather forecast Day 1, 15 hours 3 PM 79° 78° Partly Cloudy WSW   12 12% 22°
MILLS, WY 82644 weather forecast Day 1, 18 hours 6 PM 77° 76° Partly Cloudy 2%

0% Thunder
( 2% severe)
SSW   10 12% 21°
MILLS, WY 82644 weather forecast Day 1, 21 hours 9 PM 62° 62° Mostly Cloudy SSE   7 24% 25°
Wednesday
22 APR 2026
MILLS, WY 82644 weather forecast Day 2, 0 hours 12 AM 55° 52° Partly Cloudy 1%

0% Thunder
( 0% severe)
S   9 34% 27°
Low 47° MILLS, WY 82644 weather forecast Day 2, 3 hours 3 AM 52° 48° Mostly Cloudy SSW   10 39% 28°
High 72° MILLS, WY 82644 weather forecast Day 2, 6 hours 6 AM 52° 48° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSW   12 41% 29°

Partly Cloudy




Windy
MILLS, WY 82644 weather forecast Day 2, 9 hours 9 AM 63° 60° Partly Cloudy SW   25 23% 25°
MILLS, WY 82644 weather forecast Day 2, 12 hours 12 PM 69° 69° Clear 8%

0% Thunder
( 3% severe)
SW   32 14% 19°
MILLS, WY 82644 weather forecast Day 2, 15 hours 3 PM 70° 70° Partly Cloudy SW   35 12% 17°
MILLS, WY 82644 weather forecast Day 2, 18 hours 6 PM 60° 55° Mostly Cloudy 5%

0% Thunder
( 1% severe)
WSW   32 21% 21°
MILLS, WY 82644 weather forecast Day 2, 21 hours 9 PM 49° 41° Mostly Cloudy WSW   28 32% 21°

CASPER, WY extended weather forecast

Thursday
23 APR 2026
Friday
24 APR 2026
Saturday
25 APR 2026
Sunday
26 APR 2026
Monday
27 APR 2026
Low 42° Low 27° Low 22° Low 28° Low 25°
High 57° High 44° High 53° High 40° High 51°
MILLS, WY 82644 weather forecast Day 3 MILLS, WY 82644 weather forecast Day 4 MILLS, WY 82644 weather forecast Day 5 MILLS, WY 82644 weather forecast Day 6 MILLS, WY 82644 weather forecast Day 7
Partly Cloudy
31% Rain/Snow
Overcast
60% Snow
Overcast
35% Rain/Snow
Overcast
58% Rain/Snow
Overcast
31% Rain/Snow
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