Weather in Mc Allister, MT
Updated 2026-09-26 09:00 local time · ZIP codes 59740
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
48°15% rain52°13% rain56°11% rain60°10% rain62°9% rain62°9% rain62°9% rain62°9% rain60°9% rain59°9% rain54°9% rain
50°10% 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 15%).
It feels like 47°F with winds near 3 mph.
62°F, 9% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 48°F, wind 3 mph, rain chance up to 15%.
UV index is 1.
Local weather characteristics in Mc Allister
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Mc Allister is part of the West weather region. The forecast point is near 45.45°N latitude and 111.78°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.
Mc Allister weather today
Overcast and 48°F in Mc Allister, MT. Today's high is 62°F with a 6% rain chance. Winds are around 3 mph with gusts near 5 mph. Relative humidity is 61%, pressure is 29.96 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mc Allister
Sunrise is at 07:19 AM and sunset is at 07:17 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 41°F. The maximum rain chance is 10%.