HAMILTON, MT 59840 Weather Forecast & Current Conditions

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MISSOULA, MT
Current Weather

8:53 AM MDT MAY 24, 2026
Clear
55°F
Feels Like: 54°F
Dewpoint: 41°F
Rel. Hum.: 59%
Visibility: 10 miles
Wind:
Pressure: 29.95 inches
Last 72 hours

Local Area Snow Depth

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(Automated weather data from NWS/FAA)
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HAMILTON, MT 59840
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs in the mid to upper 70s. West winds to 15 mph in the afternoon.
TONIGHT
Mostly clear. Lows in the 40s. West winds to 15 mph.
MEMORIAL DAY
Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the lower to mid 80s.
MONDAY NIGHT
Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Chance of precipitation 40 percent. Lows in the mid 40s to lower 50s. South winds to 15 mph.
TUESDAY
Slight chance of rain in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Chance of precipitation 70 percent. Cooler. Highs in the mid to upper 60s.
TUESDAY NIGHT
Rain likely. Chance of rain 70 percent. Lows in the lower to mid 40s.
WEDNESDAY
Mostly cloudy. A chance of rain in the morning, then chance of showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs near 70.
WEDNESDAY NIGHT
Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening. Chance of precipitation 30 percent. Lows in the mid to upper 40s.
THURSDAY
Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the mid to upper 70s.
THURSDAY NIGHT
Rain showers likely and a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain after midnight. Chance of precipitation 60 percent. Lows near 50.
FRIDAY
A chance of rain in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Chance of precipitation 80 percent. Highs in the lower to mid 70s.
FRIDAY NIGHT
Rain showers likely and a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Chance of precipitation 70 percent. Lows in the mid 40s to lower 50s.
SATURDAY
Mostly cloudy. A chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs near 70.

Visible Weather Satellite
HAMILTON, MT 59840
Infrared Weather Satellite
HAMILTON, MT 59840
NEXRAD Weather Radar
HAMILTON, MT 59840

MISSOULA, MT 3 hourly weather forecast

weather forecast created  7:00 PM CDT  5/23/2026
Sunday
24 MAY 2026
HAMILTON, MT 59840 weather forecast Day 1, 0 hours 12 AM 54° 54° Partly Cloudy 0%

0% Thunder
( 0% severe)
NE   2 57% 39°
Low 45° HAMILTON, MT 59840 weather forecast Day 1, 3 hours 3 AM 50° 50° Mostly Cloudy   CALM 66% 39°
High 78° HAMILTON, MT 59840 weather forecast Day 1, 6 hours 6 AM 46° 45° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 73% 38°

Partly Cloudy



HAMILTON, MT 59840 weather forecast Day 1, 9 hours 9 AM 58° 59° Clear   CALM 53% 41°
HAMILTON, MT 59840 weather forecast Day 1, 12 hours 12 PM 67° 67° Clear 0%

0% Thunder
( 1% severe)
W   6 36% 39°
HAMILTON, MT 59840 weather forecast Day 1, 15 hours 3 PM 75° 75° Partly Cloudy W   15 24% 36°
HAMILTON, MT 59840 weather forecast Day 1, 18 hours 6 PM 77° 77° Partly Cloudy 0%

0% Thunder
( 1% severe)
WNW   16 21% 34°
HAMILTON, MT 59840 weather forecast Day 1, 21 hours 9 PM 66° 66° Partly Cloudy NNW   3 36% 38°
Monday
25 MAY 2026
HAMILTON, MT 59840 weather forecast Day 2, 0 hours 12 AM 56° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 47% 36°
Low 45° HAMILTON, MT 59840 weather forecast Day 2, 3 hours 3 AM 51° 51° Partly Cloudy   CALM 56% 36°
High 85° HAMILTON, MT 59840 weather forecast Day 2, 6 hours 6 AM 47° 46° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 65% 36°

Partly Cloudy



HAMILTON, MT 59840 weather forecast Day 2, 9 hours 9 AM 59° 60° Partly Cloudy SE   1 49% 40°
HAMILTON, MT 59840 weather forecast Day 2, 12 hours 12 PM 71° 71° Clear 6%

0% Thunder
( 19% severe)
SSE   5 32% 40°
HAMILTON, MT 59840 weather forecast Day 2, 15 hours 3 PM 82° 80° Partly Cloudy S   8 22% 39°
HAMILTON, MT 59840 weather forecast Day 2, 18 hours 6 PM 84° 82° Mostly Cloudy 22%
RAIN
.1–.25 in
0% Thunder
( 17% severe)
SSW   7 24% 43°
HAMILTON, MT 59840 weather forecast Day 2, 21 hours 9 PM 72° 72° Mostly Cloudy ESE   9 43% 48°

MISSOULA, MT extended weather forecast

Tuesday
26 MAY 2026
Wednesday
27 MAY 2026
Thursday
28 MAY 2026
Friday
29 MAY 2026
Saturday
30 MAY 2026
Low 53° Low 52° Low 50° Low 50° Low 49°
High 69° High 71° High 77° High 75° High 69°
HAMILTON, MT 59840 weather forecast Day 3 HAMILTON, MT 59840 weather forecast Day 4 HAMILTON, MT 59840 weather forecast Day 5 HAMILTON, MT 59840 weather forecast Day 6 HAMILTON, MT 59840 weather forecast Day 7
Overcast
78% Rain
Overcast
82% Rain
Mostly Cloudy
58% Rain
Overcast
64% Rain
Overcast
52% Rain
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