Weather in Fallon, MT
Updated 2026-08-11 09:15 local time · ZIP codes 59326
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
68°7% rain72°4% rain78°3% rain83°2% rain86°1% rain89°1% rain90°1% rain91°1% rain90°1% rain89°0% rain88°1% rain84°1% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 7%).
It feels like 65°F with winds near 10 mph.
72°F, 4% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 68°F, wind 10 mph, rain chance up to 7%.
UV index is 2.
Fallon weather today
Sunny and 68°F in Fallon, MT. Today's high is 91°F with a 3% rain chance. Winds are around 10 mph with gusts near 12 mph. Relative humidity is 72%, pressure is 29.87 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Fallon
Sunrise is at 05:52 AM and sunset is at 08:17 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 83°F and a low near 68°F. The maximum rain chance is 57%.