Butte, MT Weather Forecast & Current Conditions

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Butte Weather Map
UTC Time: 9/17/2026, 02:58
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Butte, MT Regional Weather

Expires:202609170300;;576536
ASUS45 KTFX 170210
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
800 PM MDT WED SEP 16 2026

NOTE: "FAIR" indicates few or no clouds below 12,000 feet with no
significant weather and/or obstructions to visibility.


MTZ001>007-043-170300-
West of the divide
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Kalispell      CLEAR     58  49  72 NW3       30.15S                  
Missoula       CLEAR     63  46  54 N10       30.12S                  
Butte          CLEAR     62  34  35 S8        30.23R                  
Anaconda       CLEAR     59  38  45 N3        30.19S                  
Hamilton       CLEAR     61  50  67 NW3       30.12S                  
Mullan Pass    CLEAR     52  41  66 SE3       30.24S                  
Plains         CLEAR     64  50  59 CALM      30.11S                  
Ronan          CLEAR     57  48  72 N3        30.15F                  
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Butte, MT

Tonight
Clear
38°
0%
Thursday
Thunderstorms
70°/ 40° 21°/
70%
Friday
Thunderstorms
65°/ 40° 18°/
90%
Saturday
Thunderstorms
60°/ 38° 16°/
80%
Sunday
Sunny
68°/ 38° 20°/
0%
Monday
Sunny
68°/ 38° 20°/
0%
Tuesday
Sunny
68°/ 38° 20°/
0%
Wednesday
Sunny
68°20°
0%

Night: Mostly clear. Patchy fog late in the night. Lows in the upper 30s to mid 40s. Northeast winds to 15 mph in the evening.

Montana City, MT

Tonight
Clear
40°
0%
Thursday
Thunderstorms
67°/ 44° 19°/
50%
Friday
Thunderstorms
61°/ 42° 16°/
90%
Saturday
Thunderstorms
55°/ 39° 13°/
80%
Sunday
Clear
62°17°
0%
Thursday
Clear
62°17°
0%
Friday
Clear
62°17°
0%
Wednesday
Clear
62°17°
0%

Night: Mostly clear. Lows 40 to 46. Northeast winds up to 10 mph shifting to the southeast after midnight.

Harrison, MT

Tonight
Cloudy
45°
0%
Thursday
Thunderstorms
75°/ 50° 24°/ 10°
20%
Friday
Thunderstorms
72°/ 48° 22°/
90%
Saturday
Thunderstorms
65°/ 45° 18°/
80%
Sunday
Clear
75°24°
0%
Thursday
Clear
75°24°
0%
Friday
Clear
75°24°
0%
Wednesday
Clear
75°24°
0%

Night: Partly cloudy. Lows in the mid 40s. Northeast winds up to 5 mph. Gusts up to 20 mph in the evening.

Dewey, MT

Tonight
Mostly Cloudy
38°
0%
Thursday
Thunderstorms
63°/ 39° 17°/
50%
Friday
Thunderstorms
55°/ 37° 13°/
90%
Saturday
Thunderstorms
52°/ 35° 11°/
70%
Sunday
Clear
59°15°
0%
Thursday
Clear
59°15°
0%
Friday
Clear
59°15°
0%
Wednesday
Clear
59°15°
0%

Night: Partly cloudy then becoming mostly cloudy after midnight then becoming partly cloudy. Lows 38 to 44. East winds up to 10 mph with gusts to around 30 mph.

Bannack, MT

Tonight
Rain
45°
20%
Thursday
Thunderstorms
73°/ 48° 23°/
50%
Friday
Thunderstorms
66°/ 45° 19°/
90%
Saturday
Thunderstorms
62°/ 42° 17°/
70%
Sunday
Clear
68°20°
0%
Thursday
Clear
68°20°
0%
Friday
Clear
68°20°
0%
Wednesday
Clear
68°20°
0%

Night: Partly cloudy until early morning, then a 20 percent chance of rain late in the night. Lows in the mid 40s. Northeast winds up to 10 mph. Gusts up to 30 mph in the evening.

Toston, MT

Tonight
Clear
45°
0%
Thursday
Rain
78°/ 52° 26°/ 11°
20%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
90%
Saturday
Thunderstorms
65°/ 48° 18°/
80%
Sunday
Sunny
72°/ 45° 22°/
0%
Monday
Clear
75°24°
0%
Tuesday
Clear
75°24°
0%
Wednesday
Clear
75°24°
0%

Night: Mostly clear. Lows in the mid 40s. North winds up to 10 mph.

Helena, MT

Tonight
Clear
45°
0%
Thursday
Sunny
78°/ 50° 26°/ 10°
50%
Friday
Thunderstorms
75°/ 50° 24°/ 10°
90%
Saturday
Thunderstorms
70°/ 48° 21°/
80%
Sunday
Sunny
75°/ 48° 24°/
0%
Monday
Clear
75°24°
0%
Tuesday
Clear
75°24°
0%
Wednesday
Clear
75°24°
0%

Night: Mostly clear. Lows in the mid 40s. Northwest winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight.

Sula, MT

Tonight
Clear
38°
0%
Thursday
Thunderstorms
70°/ 40° 21°/
70%
Friday
Thunderstorms
60°/ 40° 16°/
90%
Saturday
Thunderstorms
58°/ 40° 14°/
70%
Sunday
Cloudy
65°/ 40° 18°/
0%
Monday
Sunny
68°/ 40° 20°/
0%
Tuesday
Sunny
65°/ 38° 18°/
0%
Wednesday
Sunny
65°18°
0%

Night: Mostly clear. Lows in the upper 30s to mid 40s.

Cameron, MT

Tonight
Mostly Cloudy
45°
0%
Thursday
Thunderstorms
78°/ 50° 26°/ 10°
50%
Friday
Thunderstorms
72°/ 48° 22°/
90%
Saturday
Thunderstorms
65°/ 45° 18°/
70%
Sunday
Sunny
72°22°
0%
Sun Night
Clear
45°
0%
Thursday
Clear
45°
0%
Friday
Clear
45°
0%
Wednesday
Clear
45°
0%

Night: Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Lows in the mid 40s. Northeast winds up to 10 mph. Gusts up to 25 mph in the evening.

Trident, MT

Tonight
Clear
42°
0%
Thursday
Rain
67°/ 48° 19°/
20%
Friday
Thunderstorms
62°/ 48° 17°/
100%
Saturday
Thunderstorms
56°/ 45° 13°/
90%
Sunday
Sunny
61°16°
0%
Sun Night
Clear
45°
0%
Thursday
Clear
45°
0%
Friday
Clear
45°
0%
Wednesday
Clear
45°
0%

Night: Mostly clear. Lows in the lower 40s. East winds 5 to 10 mph with gusts to around 35 mph.

Marysville, MT

Tonight
Clear
42°
0%
Thursday
Sunny
68°/ 48° 20°/
50%
Friday
Thunderstorms
62°/ 44° 17°/
90%
Saturday
Thunderstorms
57°/ 41° 14°/
70%
Sunday
Sunny
63°/ 45° 17°/
0%
Monday
Clear
62°17°
0%
Tuesday
Clear
62°17°
0%
Wednesday
Clear
62°17°
0%

Night: Mostly clear. Lows in the lower 40s. Northeast winds up to 10 mph shifting to the southeast after midnight.

Big Sky, MT

Tonight
Rain
45°
20%
Thursday
Thunderstorms
61°/ 43° 16°/
50%
Friday
Thunderstorms
56°/ 39° 13°/
100%
Saturday
Thunderstorms
51°/ 37° 11°/
70%
Sunday
Sunny
57°14°
0%
Sun Night
Clear
38°
0%
Thursday
Clear
38°
0%
Friday
Clear
38°
0%
Wednesday
Clear
38°
0%

Night: Partly cloudy until early morning, then a 20 percent chance of rain late in the night. Lows in the mid 40s. East winds up to 10 mph with gusts to around 25 mph.

Canyon Creek, MT

Tonight
Clear
45°
0%
Thursday
Sunny
72°/ 52° 22°/ 11°
50%
Friday
Thunderstorms
67°/ 52° 19°/ 11°
90%
Saturday
Thunderstorms
62°/ 48° 17°/
70%
Sunday
Clear
67°19°
0%
Thursday
Clear
67°19°
0%
Friday
Clear
67°19°
0%
Wednesday
Clear
67°19°
0%

Night: Mostly clear. Lows in the mid 40s. Northeast winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight.

Bozeman, MT

Tonight
Cloudy
45°
0%
Thursday
Thunderstorms
78°/ 50° 26°/ 10°
50%
Friday
Thunderstorms
72°/ 48° 22°/
100%
Saturday
Thunderstorms
68°/ 45° 20°/
90%
Sunday
Clear
75°24°
0%
Thursday
Clear
75°24°
0%
Friday
Clear
75°24°
0%
Wednesday
Clear
75°24°
0%

Night: Partly cloudy. Lows in the mid 40s. East winds up to 10 mph with gusts to around 30 mph.

Salmon, ID

Tonight
Mostly Cloudy
45°
0%
Thursday
Thunderstorms
70°/ 45° 21°/
50%
Friday
Thunderstorms
65°/ 40° 18°/
90%
Saturday
Thunderstorms
60°/ 40° 16°/
70%
Sunday
Sunny
68°/ 40° 20°/
0%
Monday
Sunny
68°/ 40° 20°/
0%
Tuesday
Sunny
68°/ 40° 20°/
0%
Wednesday
Sunny
68°20°
0%

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s. Northeast winds to 15 mph in the evening.

East Missoula, MT

Tonight
Clear
40°
0%
Thursday
Sunny
82°/ 45° 28°/
70%
Friday
Thunderstorms
65°/ 45° 18°/
80%
Saturday
Thunderstorms
72°/ 40° 22°/
60%
Sunday
Sunny
68°/ 40° 20°/
0%
Monday
Sunny
68°/ 40° 20°/
0%
Tuesday
Sunny
65°/ 40° 18°/
0%
Wednesday
Sunny
65°18°
0%

Night: Mostly clear. Patchy fog late in the night. Lows in the 40s.

Hamilton, MT

Tonight
Clear
45°
0%
Thursday
Thunderstorms
80°/ 50° 27°/ 10°
70%
Friday
Thunderstorms
75°/ 48° 24°/
80%
Saturday
Thunderstorms
68°/ 48° 20°/
60%
Sunday
Sunny
78°/ 48° 26°/
0%
Monday
Sunny
78°/ 48° 26°/
0%
Tuesday
Sunny
78°/ 40° 26°/
0%
Wednesday
Sunny
75°24°
0%

Night: Mostly clear. Lows in the lower to mid 40s. North winds to 15 mph in the evening.

Bynum, MT

Tonight
Clear
45°
0%
Thursday
Sunny
72°/ 50° 22°/ 10°
20%
Friday
Thunderstorms
70°/ 52° 21°/ 11°
50%
Saturday
Thunderstorms
68°/ 48° 20°/
50%
Sunday
Clear
75°24°
0%
Mon Night
Clear
75°24°
0%
Tue-Tue Night
Cloudy
70°21°
0%
Wednesday
Sunny
70°21°
0%

Night: Mostly clear. Lows in the mid 40s. East winds up to 5 mph shifting to the southwest after midnight.

Martinsdale, MT

Tonight
Clear
42°
0%
Thursday
Rain
75°/ 48° 24°/
20%
Friday
Thunderstorms
72°/ 48° 22°/
100%
Saturday
Thunderstorms
65°/ 45° 18°/
90%
Sunday
Sunny
70°21°
0%
Sun Night
Clear
45°
0%
Thursday
Clear
45°
0%
Friday
Clear
45°
0%
Wednesday
Clear
45°
0%

Night: Mostly clear. Lows in the lower 40s. East winds 5 to 15 mph with gusts to around 30 mph.

Clyde Park, MT

Tonight
Cloudy
42°
0%
Thursday
Rain Showers
75°/ 48° 24°/
30%
Friday
Thunderstorms
75°/ 45° 24°/
100%
Saturday
Thunderstorms
65°/ 42° 18°/
80%
Sunday
Partly Cloudy
72°/ 42° 22°/
0%
Monday
Sunny
75°/ 45° 24°/
0%
Tuesday
Sunny
75°/ 42° 24°/
0%
Wednesday
Sunny
75°24°
0%

Night: Partly cloudy. Lows in the lower 40s. Southeast winds 5 to 15 mph.

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