MILLS, WY 82644 Weather Forecast & Current Conditions

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CASPER, WY
Current Weather

11:53 PM MDT APR 20, 2026
Clear
46°F
Feels Like: 42°F
Dewpoint: 23°F
Rel. Hum.: 39%
Visibility: 10 miles
Wind: W at 8 mph
Pressure: 29.96 inches
Last 72 hours

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MILLS, WY 82644
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the lower 40s. West winds around 10 mph.
TUESDAY
Mostly sunny. Highs in the upper 70s. 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.
WEDNESDAY
Partly cloudy in the morning, then clearing. Windy with highs around 70. Southwest winds 25 to 35 mph with gusts up to 55 mph.
WEDNESDAY NIGHT
Partly cloudy. A chance of rain and snow showers after midnight. Windy with lows in the upper 30s. Southwest winds 25 to 35 mph with gusts up to 55 mph. Chance of precipitation 30 percent.
THURSDAY
Mostly cloudy. A chance of rain and snow showers in the morning, then rain and snow showers likely in the afternoon. Little or no snow accumulation. Windy, cooler with highs in the lower 50s. Chance of precipitation 70 percent.
THURSDAY NIGHT
Rain and snow showers in the evening, then snow showers likely after midnight. Light snow accumulation. Breezy with lows in the mid 20s. Chance of precipitation 80 percent.
FRIDAY
Snow showers likely. New little or no snow accumulation. Highs around 40. Chance of snow 60 percent.
FRIDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 40 percent chance of snow showers. Lows in the lower 20s.
SATURDAY
Partly cloudy with a 30 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 lower 20s.
SUNDAY
Mostly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of snow 30 percent.
SUNDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 20 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  4/20/2026
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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