Weather in Fort Smith, MT
Updated 2026-09-26 10:45 local time · ZIP codes 59035
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
57°1% rain63°1% rain
66°3% rain
69°5% rain70°3% rain70°1% rain68°1% rain64°1% rain
57°11% rain
56°12% rain58°11% rain57°11% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 12%).
It feels like 51°F with winds near 6 mph.
70°F, 1% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 57°F, wind 6 mph, rain chance up to 12%.
UV index is 2.
Local weather characteristics in Fort Smith
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Fort Smith is part of the West weather region. The forecast point is near 45.31°N latitude and 107.94°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Fort Smith weather today
Sunny and 57°F in Fort Smith, MT. Today's high is 70°F with a 3% rain chance. Winds are around 6 mph with gusts near 6 mph. Relative humidity is 43%, pressure is 29.90 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Fort Smith
Sunrise is at 07:03 AM and sunset is at 07:02 PM. Tomorrow's forecast calls for Overcast with a high near 65°F and a low near 47°F. The maximum rain chance is 10%.