MARYSVILLE, MT 59640 Weather Forecast & Current Conditions

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HELENA, MT
Current Weather

4:53 AM MDT APR 19, 2026
Clear
32°F
Feels Like: 29°F
Dewpoint: 21°F
Rel. Hum.: 62%
Visibility: 10 miles
Wind: S at 3 mph
Pressure: 30.09 inches
Last 72 hours

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MARYSVILLE, MT 59640
Weather Forecast

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Snow Depth pages
REST OF TODAY
Mostly cloudy. Haze and areas of smoke through the day. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 80. West winds up to 10 mph. Chance of precipitation 50 percent.
TONIGHT
Cooler. Cloudy with chance of rain showers and slight chance of thunderstorms. Areas of smoke and haze. Lows 45 to 55. Southwest winds up to 10 mph. Chance of precipitation 50 percent.
WEDNESDAY
Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Areas of smoke in the morning. Haze through the day. Highs 65 to 75. Northwest winds up to 10 mph. Chance of precipitation 50 percent.
WEDNESDAY NIGHT
Partly cloudy. A 20 percent chance of thunderstorms in the evening. Haze in the evening. Lows 45 to 50. North winds up to 10 mph shifting to the northwest after midnight.
THURSDAY
Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 65 to 75. Southwest winds up to 10 mph. Chance of precipitation 50 percent.
THURSDAY NIGHT
Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Chance of precipitation 50 percent.
FRIDAY
Mostly cloudy with a 20 percent chance of rain showers. Highs 60 to 70.
FRIDAY NIGHT
Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 50.
SATURDAY
Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 50 percent.
SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45.
SUNDAY
Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 65.
SUNDAY NIGHT
Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45.
MONDAY
Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 65.

Visible Weather Satellite
MARYSVILLE, MT 59640
Infrared Weather Satellite
MARYSVILLE, MT 59640
NEXRAD Weather Radar
MARYSVILLE, MT 59640

HELENA, MT 3 hourly weather forecast

weather forecast created  8:00 PM EDT  4/18/2026
Sunday
19 APR 2026
MARYSVILLE, MT 59640 weather forecast Day 1, 0 hours 12 AM 42° 41° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   2 44% 22°
Low 32° MARYSVILLE, MT 59640 weather forecast Day 1, 3 hours 3 AM 37° 35° Clear W   2 51% 21°
High 69° MARYSVILLE, MT 59640 weather forecast Day 1, 6 hours 6 AM 33° 30° Clear 0%

0% Thunder
( 0% severe)
SW   1 59% 21°

Partly Cloudy



MARYSVILLE, MT 59640 weather forecast Day 1, 9 hours 9 AM 40° 38° Clear NNE   1 52% 24°
MARYSVILLE, MT 59640 weather forecast Day 1, 12 hours 12 PM 55° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   3 29% 24°
MARYSVILLE, MT 59640 weather forecast Day 1, 15 hours 3 PM 65° 65° Partly Cloudy E   8 21% 24°
MARYSVILLE, MT 59640 weather forecast Day 1, 18 hours 6 PM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
ESE   9 19% 24°
MARYSVILLE, MT 59640 weather forecast Day 1, 21 hours 9 PM 58° 58° Partly Cloudy SW   5 30% 27°
Monday
20 APR 2026
MARYSVILLE, MT 59640 weather forecast Day 2, 0 hours 12 AM 50° 48° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   5 42% 28°
Low 40° MARYSVILLE, MT 59640 weather forecast Day 2, 3 hours 3 AM 46° 45° Mostly Cloudy SSW   3 49% 28°
High 75° MARYSVILLE, MT 59640 weather forecast Day 2, 6 hours 6 AM 42° 41° Mostly Cloudy 0%

0% Thunder
( 0% severe)
W   2 57% 28°

Partly Cloudy



MARYSVILLE, MT 59640 weather forecast Day 2, 9 hours 9 AM 49° 49° Partly Cloudy ESE   1 50% 31°
MARYSVILLE, MT 59640 weather forecast Day 2, 12 hours 12 PM 63° 64° Clear 1%

0% Thunder
( 1% severe)
E   2 30% 31°
MARYSVILLE, MT 59640 weather forecast Day 2, 15 hours 3 PM 72° 72° Partly Cloudy ESE   8 20% 29°
MARYSVILLE, MT 59640 weather forecast Day 2, 18 hours 6 PM 74° 74° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NW   9 18% 28°
MARYSVILLE, MT 59640 weather forecast Day 2, 21 hours 9 PM 63° 64° Partly Cloudy WSW   5 31% 32°

HELENA, MT extended weather forecast

Tuesday
21 APR 2026
Wednesday
22 APR 2026
Thursday
23 APR 2026
Friday
24 APR 2026
Saturday
25 APR 2026
Low 41° Low 43° Low 35° Low 29° Low 28°
High 82° High 70° High 48° High 46° High 48°
MARYSVILLE, MT 59640 weather forecast Day 3 MARYSVILLE, MT 59640 weather forecast Day 4 MARYSVILLE, MT 59640 weather forecast Day 5 MARYSVILLE, MT 59640 weather forecast Day 6 MARYSVILLE, MT 59640 weather forecast Day 7
Partly Cloudy
1% Rain
Mostly Cloudy
49% Rain
Overcast
81% Rain/Snow
Overcast
56% Snow
Overcast
41% Snow
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