LEWISTOWN, MT 59457 Weather Forecast & Current Conditions

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LEWISTOWN, MT
Current Weather

12:54 PM MDT MAR 31, 2025
Overcast
43°F
Feels Like: 42°F
Dewpoint: 30°F
Rel. Hum.: 60%
Visibility: 10 miles
Wind: E at 3 mph
Pressure: 29.63 inches
Last 72 hours

Local Area Snow Depth

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LEWISTOWN, MT 59457
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TODAY
Partly cloudy. Haze. Highs 75 to 85. Southeast winds 5 to 15 mph.
TONIGHT
Cloudy with a 20 percent chance of rain showers. Haze through the night. Lows 50 to 60. North winds 5 to 15 mph.
WEDNESDAY
Mostly cloudy with a 20 percent chance of rain showers. Haze. Highs 65 to 75. Northwest winds 5 to 15 mph.
WEDNESDAY NIGHT
Cooler. Partly cloudy. Lows 45 to 50. North winds 5 to 10 mph shifting to the south after midnight.
THURSDAY
Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 70 to 80. Southeast winds up to 10 mph.
THURSDAY NIGHT AND FRIDAY
Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Highs 65 to 75. Chance of precipitation 50 percent.
FRIDAY NIGHT
Partly cloudy. Lows 45 to 50.
SATURDAY
Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 75.
SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of rain showers. Lows 45 to 50.
SUNDAY
Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 75.
SUNDAY NIGHT
Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50.
MONDAY
Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 75.

Visible Weather Satellite
LEWISTOWN, MT 59457
Infrared Weather Satellite
LEWISTOWN, MT 59457
NEXRAD Weather Radar
LEWISTOWN, MT 59457

LEWISTOWN, MT 3 hourly weather forecast

weather forecast created  4:00 AM PST  3/31/2025
Monday
31 MAR 2025
LEWISTOWN, MT 59457 weather forecast Day 1, 12 hours 11 AM 42° 37° Partly Cloudy 27%
RAIN
<.01 in
0% Thunder
( 6% severe)
S   8 52% 26°
High 47° LEWISTOWN, MT 59457 weather forecast Day 1, 15 hours 2 PM 46° 41° Mostly Cloudy SSW   9 47% 27°
Mostly Cloudy

Chance of Rain

LEWISTOWN, MT 59457 weather forecast Day 1, 18 hours 5 PM 46° 42° Mostly Cloudy 45%
RAIN
.1–.25 in
0% Thunder
( 7% severe)
SSW   8 51% 29°
LEWISTOWN, MT 59457 weather forecast Day 1, 21 hours 8 PM 37° 32° Mostly Cloudy ESE   7 75% 30°
Tuesday
1 APR 2025
LEWISTOWN, MT 59457 weather forecast Day 2, 0 hours 11 PM 34° 30° Mostly Cloudy 40%
RAIN/SNOW
***
0% Thunder
( 2% severe)
SSE   5 82% 29°
Low 29° LEWISTOWN, MT 59457 weather forecast Day 2, 3 hours 2 AM 31° 26° Mostly Cloudy WSW   5 92% 29°
High 38° LEWISTOWN, MT 59457 weather forecast Day 2, 6 hours 5 AM 31° 25° Mostly Cloudy 53%
SNOW
***
0% Thunder
( 2% severe)
WNW   6 92% 29°

Mostly Cloudy

Snow Likely

LEWISTOWN, MT 59457 weather forecast Day 2, 9 hours 8 AM 32° 24° Overcast WNW   9 92% 30°
LEWISTOWN, MT 59457 weather forecast Day 2, 12 hours 11 AM 34° 25° Mostly Cloudy 63%
SNOW
***
0% Thunder
( 3% severe)
NW   12 85% 30°
LEWISTOWN, MT 59457 weather forecast Day 2, 15 hours 2 PM 34° 25° Mostly Cloudy NW   13 89% 31°
LEWISTOWN, MT 59457 weather forecast Day 2, 18 hours 5 PM 35° 27° Overcast 45%
SNOW
***
0% Thunder
( 3% severe)
NNW   12 82% 30°
LEWISTOWN, MT 59457 weather forecast Day 2, 21 hours 8 PM 32° 26° Mostly Cloudy NW   7 92% 30°
Wednesday
2 APR 2025
LEWISTOWN, MT 59457 weather forecast Day 3, 0 hours 11 PM 32° 26° Mostly Cloudy 26%
SNOW
***
0% Thunder
( 1% severe)
WNW   6 88% 29°
Low 28° LEWISTOWN, MT 59457 weather forecast Day 3, 3 hours 2 AM 30° 24° Mostly Cloudy WNW   6 96% 29°
High 40° LEWISTOWN, MT 59457 weather forecast Day 3, 6 hours 5 AM 30° 23° Mostly Cloudy 22%
SNOW
1–2.5 in
0% Thunder
( 3% severe)
WNW   7 96% 29°

Mostly Cloudy

Chance of Rain & Snow

LEWISTOWN, MT 59457 weather forecast Day 3, 9 hours 8 AM 32° 25° Mostly Cloudy NW   8 88% 29°
LEWISTOWN, MT 59457 weather forecast Day 3, 15 hours 11 AM 34° 26° Mostly Cloudy 33%
RAIN/SNOW
.5–1.25 in
0% Thunder
( 7% severe)
NW   10 82% 29°
LEWISTOWN, MT 59457 weather forecast Day 3, 18 hours 2 PM 37° 30° Mostly Cloudy NW   10 72% 29°
LEWISTOWN, MT 59457 weather forecast Day 3, 21 hours 5 PM 37° 31° Mostly Cloudy     NW   8 69% 28°

LEWISTOWN, MT extended weather forecast

Thursday
3 APR 2025
Friday
4 APR 2025
Saturday
5 APR 2025
Sunday
6 APR 2025
Monday
7 APR 2025
Low 22° Low 22° Low 22° Low 28° Low 29°
High 38° High 38° High 50° High 56° High 60°
LEWISTOWN, MT 59457 weather forecast Day 4 LEWISTOWN, MT 59457 weather forecast Day 5 LEWISTOWN, MT 59457 weather forecast Day 6 LEWISTOWN, MT 59457 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
43% Snow
Mostly Cloudy
41% Snow
Partly Cloudy
9% Rain/Snow
Partly Cloudy
8% Rain/Snow
Clear
7% Snow
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