MILLS, WY 82644 Weather Forecast & Current Conditions

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CASPER, WY
Current Weather

4:53 AM MDT APR 20, 2026
Clear
43°F
Feels Like: 36°F
Dewpoint: 18°F
Rel. Hum.: 35%
Visibility: 10 miles
Wind: WSW at 13 mph
Pressure: 30.01 inches
Last 72 hours

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MILLS, WY 82644
Weather Forecast

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REST OF TONIGHT
Partly cloudy. Near steady temperature around 40. Southwest winds 10 to 15 mph.
MONDAY
Partly cloudy in the morning, then clearing. Breezy with highs in the mid 70s. West winds 15 to 20 mph with gusts up to 30 mph.
MONDAY NIGHT
Mostly clear. Lows around 40. West winds 10 to 15 mph with gusts up to 25 mph, becoming southwest after midnight.
TUESDAY
Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. Southwest winds 10 to 15 mph with gusts up to 25 mph.
TUESDAY NIGHT
Partly cloudy. Lows around 50. South winds 10 to 15 mph with gusts up to 25 mph.
WEDNESDAY
Partly cloudy and windy. Highs around 70.
WEDNESDAY NIGHT
Partly cloudy. A chance of rain and snow showers after midnight. Windy with lows in the upper 30s. Chance of precipitation 30 percent.
THURSDAY
Rain and snow showers likely. Little or no snow accumulation. Windy, cooler with highs around 50. Chance of precipitation 70 percent.
THURSDAY NIGHT
Mostly cloudy. Snow and rain showers likely in the evening, then a chance of snow showers after midnight. Little or no snow accumulation. Breezy with lows in the mid 20s. Chance of precipitation 60 percent.
FRIDAY
Mostly cloudy with snow showers likely. Little or no snow accumulation. Breezy with highs in the mid 40s. Chance of snow 60 percent.
FRIDAY NIGHT
Mostly cloudy with a 40 percent chance of snow showers. Breezy with lows in the lower 20s.
SATURDAY
Partly cloudy with a 40 percent chance of snow showers. Highs in the mid 40s.
SATURDAY NIGHT
Partly cloudy with a 30 percent chance of snow showers. Lows in the mid 20s.

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

CASPER, WY 3 hourly weather forecast

weather forecast created  8:00 PM EDT  4/19/2026
Monday
20 APR 2026
MILLS, WY 82644 weather forecast Day 1, 0 hours 12 AM 41° 36° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 26% 11°
Low 37° MILLS, WY 82644 weather forecast Day 1, 3 hours 3 AM 38° 31° Partly Cloudy WSW   9 31% 12°
High 76° MILLS, WY 82644 weather forecast Day 1, 6 hours 6 AM 39° 32° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   10 30% 12°

Partly Cloudy



MILLS, WY 82644 weather forecast Day 1, 9 hours 9 AM 54° 50° Partly Cloudy SW   15 21% 16°
MILLS, WY 82644 weather forecast Day 1, 12 hours 12 PM 69° 69° Partly Cloudy 0%

0% Thunder
( 1% severe)
W   18 13% 17°
MILLS, WY 82644 weather forecast Day 1, 15 hours 3 PM 75° 75° Clear W   17 10% 15°
MILLS, WY 82644 weather forecast Day 1, 18 hours 6 PM 74° 74° Partly Cloudy 0%

0% Thunder
( 1% severe)
WNW   12 9% 14°
MILLS, WY 82644 weather forecast Day 1, 21 hours 9 PM 57° 56° Partly Cloudy WSW   6 23% 20°
Tuesday
21 APR 2026
MILLS, WY 82644 weather forecast Day 2, 0 hours 12 AM 48° 45° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 32% 20°
Low 39° MILLS, WY 82644 weather forecast Day 2, 3 hours 3 AM 44° 40° Partly Cloudy SW   7 37% 20°
High 80° MILLS, WY 82644 weather forecast Day 2, 6 hours 6 AM 44° 39° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   9 39% 21°

Partly Cloudy



MILLS, WY 82644 weather forecast Day 2, 9 hours 9 AM 60° 58° Partly Cloudy SW   13 27% 26°
MILLS, WY 82644 weather forecast Day 2, 12 hours 12 PM 74° 74° Partly Cloudy 2%

0% Thunder
( 5% severe)
SW   15 17% 27°
MILLS, WY 82644 weather forecast Day 2, 15 hours 3 PM 78° 77° Partly Cloudy SW   13 14% 25°
MILLS, WY 82644 weather forecast Day 2, 18 hours 6 PM 77° 76° Partly Cloudy 7%

0% Thunder
( 3% severe)
SSW   10 14% 24°
MILLS, WY 82644 weather forecast Day 2, 21 hours 9 PM 61° 60° Mostly Cloudy SSE   8 28% 28°

CASPER, WY extended weather forecast

Wednesday
22 APR 2026
Thursday
23 APR 2026
Friday
24 APR 2026
Saturday
25 APR 2026
Sunday
26 APR 2026
Low 46° Low 42° Low 25° Low 22° Low 25°
High 71° High 53° High 41° High 50° High 49°
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
7% Rain
Mostly Cloudy
39% Rain/Snow
Overcast
55% Snow
Overcast
47% Snow
Overcast
36% Rain/Snow
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