Fort Smith, MT Weather Forecast & Current Conditions

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Fort Smith, MT Weather Maps

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Fort Smith Weather Map
UTC Time: 9/20/2026, 04:40
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Fort Smith, MT

Tonight
Thunderstorms
48°
90%
Sunday
Thunderstorms
62°/ 45° 17°/
80%
Monday
Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
0%
Wednesday
Partly Cloudy
80°/ 50° 27°/ 10°
0%
Thursday
Sunny
85°/ 52° 29°/ 11°
0%
Friday
Sunny
85°/ 52° 29°/ 11°
0%
Saturday
Sunny
75°24°
0%

Night: Patchy fog through the night. Slight chance of thunderstorms early in the evening. Rain showers in the evening and overnight. Chance of rain showers after 3 am. Some thunderstorms may produce heavy rainfall early in the evening. Lows in the upper 40s. West winds 5 to 15 mph. Chance of precipitation 90 percent.

Hardin, MT

Tonight
Thunderstorms
48°
100%
Sunday
Rain Showers
62°/ 48° 17°/
80%
Monday
Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Partly Cloudy
80°/ 48° 27°/
0%
Thursday
Sunny
82°/ 48° 28°/
0%
Friday
Sunny
82°/ 48° 28°/
0%
Saturday
Sunny
75°24°
0%

Night: Patchy fog through the night. Chance of thunderstorms in the evening. Rain showers through the night. Some thunderstorms may produce heavy rainfall early in the evening. Some thunderstorms may produce heavy rainfall late in the evening. Lows in the upper 40s. North winds 5 to 15 mph. Chance of precipitation 100 percent.

Sheridan, WY

Tonight
Thunderstorms
45°
80%
Sunday
Thunderstorms
62°/ 45° 17°/
80%
Monday
Partly Cloudy
70°/ 42° 21°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Rain Showers
78°/ 45° 26°/
20%
Thursday
Sunny
82°/ 48° 28°/
0%
Friday
Sunny
82°/ 48° 28°/
0%
Saturday
Sunny
78°26°
0%

Night: Patchy fog through the night. Rain showers and slight chance of thunderstorms early in the evening. Rain showers likely late in the evening, then chance of rain showers overnight. Some thunderstorms may produce heavy rainfall early in the evening. Lows in the mid 40s. Northwest winds 5 to 10 mph. Chance of precipitation 80 percent.

Bridger, MT

Tonight
Rain Showers
48°
90%
Sunday
Rain Showers
62°/ 45° 17°/
70%
Monday
Partly Cloudy
70°/ 48° 21°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
20%
Wednesday
Partly Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Partly Cloudy
75°24°
0%

Night: Rain showers in the evening and overnight, then rain showers likely after 3 am. Patchy fog in the late evening and overnight. Lows in the upper 40s. Northwest winds 10 to 20 mph. Chance of precipitation 90 percent.

Basin, WY

Afternoon
Thunderstorms
62°/ 45° 17°/
80%
Sunday
Thunderstorms
62°/ 45° 17°/
60%
Monday
Cloudy
70°/ 45° 21°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
30%
Wednesday
Mostly Cloudy
78°/ 48° 26°/
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Friday
Sunny
80°27°
0%

Day: Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds and small hail. Breezy. Near steady temperature in the lower 60s. Northwest winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 80 percent.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with showers likely. Some thunderstorms may produce gusty winds and small hail in the evening. Breezy with lows in the mid 40s. Northwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 60 percent.

Billings, MT

Tonight
Thunderstorms
52°11°
100%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
80%
Monday
Partly Cloudy
70°/ 48° 21°/
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
80°/ 52° 27°/ 11°
0%
Saturday
Partly Cloudy
72°22°
0%

Night: Patchy fog through the night. Slight chance of thunderstorms early in the evening. Rain showers in the evening and overnight. Rain showers likely after 3 am. Some thunderstorms may produce heavy rainfall early in the evening. Lows in the lower 50s. Northwest winds 10 to 20 mph. Chance of precipitation 100 percent.

Custer, MT

Tonight
Thunderstorms
52°11°
100%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
90%
Monday
Partly Cloudy
72°/ 48° 22°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
80°/ 52° 27°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Partly Cloudy
75°24°
0%

Night: Rain showers and slight chance of thunderstorms in the evening, then rain showers overnight. Patchy fog through the night. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 50s. North winds 5 to 15 mph. Chance of precipitation 100 percent.

Joliet, MT

Tonight
Rain Showers
45°
90%
Sunday
Rain Showers
62°/ 45° 17°/
70%
Monday
Partly Cloudy
70°/ 45° 21°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
0%
Wednesday
Sunny
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
80°/ 50° 27°/ 10°
0%
Saturday
Rain Showers
72°22°
20%

Night: Rain showers in the evening and overnight, then rain showers likely after 3 am. Patchy fog in the late evening and overnight. Lows in the mid 40s. Northwest winds 10 to 20 mph. Chance of precipitation 90 percent.

Columbus, MT

Tonight
Rain Showers
45°
90%
Sunday
Rain Showers
65°/ 45° 18°/
70%
Monday
Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Sunny
78°/ 48° 26°/
0%
Thursday
Sunny
80°/ 50° 27°/ 10°
0%
Friday
Sunny
80°/ 48° 27°/
0%
Saturday
Rain Showers
72°22°
20%

Night: Rain showers. Patchy fog. Lows in the mid 40s. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent.

Red Lodge, MT

Tonight
Rain Showers
45°
90%
Sunday
Rain Showers
58°/ 45° 14°/
70%
Monday
Partly Cloudy
65°/ 48° 18°/
0%
Tuesday
Sunny
70°/ 52° 21°/ 11°
20%
Wednesday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Rain Showers
68°20°
20%

Night: Rain showers in the evening and overnight, then rain showers likely after 3 am. Patchy fog through the night. Lows in the mid 40s. Northwest winds 10 to 20 mph. Chance of precipitation 90 percent.

Hysham, MT

Tonight
Thunderstorms
52°11°
100%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
90%
Monday
Partly Cloudy
70°/ 48° 21°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Partly Cloudy
72°22°
0%

Night: Patchy fog through the night. Chance of thunderstorms in the evening. Rain showers through the night. Some thunderstorms may produce heavy rainfall early in the evening. Some thunderstorms may produce heavy rainfall late in the evening. Lows in the lower 50s. Northeast winds 5 to 15 mph. Chance of precipitation 100 percent.

Lame Deer, MT

Tonight
Thunderstorms
50°10°
100%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Partly Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
80°/ 52° 27°/ 11°
0%
Wednesday
Sunny
82°/ 50° 28°/ 10°
0%
Thursday
Sunny
85°/ 52° 29°/ 11°
0%
Friday
Sunny
85°/ 52° 29°/ 11°
0%
Saturday
Rain Showers
78°26°
20%

Night: Patchy fog through the night. Chance of thunderstorms in the evening. Rain showers through the night. Some thunderstorms may produce heavy rainfall early in the evening. Some thunderstorms may produce heavy rainfall late in the evening. Lows around 50. North winds 5 to 10 mph. Chance of precipitation 100 percent.

Clark, WY

Afternoon
Thunderstorms
55°/ 45° 13°/
80%
Sunday
Thunderstorms
58°/ 45° 14°/
60%
Monday
Sunny
65°/ 45° 18°/
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
20%
Wednesday
Mostly Cloudy
72°/ 50° 22°/ 10°
0%
Thursday
Sunny
75°/ 52° 24°/ 11°
0%
Friday
Cloudy
75°24°
0%

Day: Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds, small hail, and heavy rainfall. Breezy. Near steady temperature in the mid 50s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 80 percent.

Night: Cloudy. Showers likely with a slight chance of thunderstorms in the evening, then showers after midnight. Areas of fog after midnight. Some thunderstorms may produce gusty winds, small hail, and heavy rainfall in the evening. Breezy with lows in the mid 40s. North winds 15 to 20 mph, becoming northwest around 10 mph after midnight. Chance of rain 80 percent.

Burgess Jct, WY

Tonight
Thunderstorms
35°
80%
Sunday
Thunderstorms
48°/ 32° /
90%
Monday
Rain Showers
55°/ 35° 13°/
20%
Tuesday
Sunny
65°/ 42° 18°/
20%
Wednesday
Rain Showers
65°/ 40° 18°/
40%
Thursday
Sunny
68°/ 42° 20°/
0%
Friday
Sunny
68°/ 42° 20°/
0%
Saturday
Rain Showers
62°17°
20%

Night: Patchy fog through the night. Rain showers and slight chance of thunderstorms in the evening. Rain showers likely overnight. Some thunderstorms may produce heavy rainfall early in the evening. Lows in the mid 30s. West winds 5 to 10 mph. Chance of precipitation 80 percent.

Colstrip, MT

Tonight
Thunderstorms
52°11°
90%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Partly Cloudy
70°/ 48° 21°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Sunny
75°24°
0%

Night: Patchy fog through the night. Chance of thunderstorms early in the evening. Rain showers through the night. Slight chance of thunderstorms in the late evening and overnight. Some thunderstorms may produce heavy rainfall early in the evening. Some thunderstorms may produce heavy rainfall in the late evening and overnight. Lows in the lower 50s. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent.

Fishtail, MT

Tonight
Rain Showers
48°
90%
Sunday
Rain Showers
62°/ 45° 17°/
60%
Monday
Partly Cloudy
70°/ 48° 21°/
0%
Tuesday
Sunny
75°/ 52° 24°/ 11°
20%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
78°/ 52° 26°/ 11°
0%
Saturday
Rain Showers
70°21°
30%

Night: Rain showers. Patchy fog in the late evening and overnight. Lows in the upper 40s. West winds 5 to 10 mph. Chance of precipitation 90 percent.

Buffalo, WY

Afternoon
Thunderstorms
62°/ 50° 17°/ 10°
80%
Sunday
Thunderstorms
62°/ 50° 17°/ 10°
80%
Monday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%
Tuesday
Sunny
75°/ 52° 24°/ 11°
0%
Wednesday
Cloudy
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
80°/ 55° 27°/ 13°
0%
Friday
Cloudy
80°27°
0%

Day: Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds, small hail, and heavy rainfall. Near steady temperature in the lower 60s. North winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent.

Night: Mostly cloudy with showers likely. A chance of thunderstorms, mainly in the evening. Some thunderstorms may produce gusty winds, small hail, and heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows around 50. Northwest winds 10 to 15 mph. Chance of rain 60 percent.

Roundup, MT

Tonight
Rain Showers
48°
90%
Sunday
Rain Showers
62°/ 48° 17°/
80%
Monday
Partly Cloudy
72°/ 48° 22°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
78°/ 52° 26°/ 11°
0%
Saturday
Rain Showers
70°21°
20%

Night: Rain showers. Patchy fog. Lows in the upper 40s. North winds 5 to 15 mph. Chance of precipitation 90 percent.

Ryegate, MT

Tonight
Rain Showers
48°
100%
Sunday
Rain Showers
62°/ 48° 17°/
70%
Monday
Partly Cloudy
70°/ 45° 21°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
78°/ 50° 26°/ 10°
0%
Friday
Sunny
78°/ 50° 26°/ 10°
0%
Saturday
Rain Showers
70°21°
20%

Night: Rain showers. Patchy fog in the late evening and overnight. Lows in the upper 40s. Northwest winds 5 to 15 mph. Chance of precipitation 100 percent.

Broadus, MT

Tonight
Thunderstorms
52°11°
90%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Partly Cloudy
68°/ 48° 20°/
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
82°/ 58° 28°/ 14°
0%
Friday
Sunny
82°/ 55° 28°/ 13°
0%
Saturday
Rain Showers
75°24°
20%

Night: Patchy fog through the night. Chance of thunderstorms in the evening. Rain showers through the night. Slight chance of thunderstorms overnight. Some thunderstorms may produce heavy rainfall early in the evening. Some thunderstorms may produce heavy rainfall in the late evening and overnight. Lows in the lower 50s. East winds 5 to 15 mph. Chance of precipitation 90 percent.

Names listed above may include county names.

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