Weather in Lewistown, MT
Updated 2026-09-26 09:00 local time · ZIP codes 59457
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
52°1% rain56°0% rain
59°2% rain
62°9% rain63°9% rain65°9% rain65°9% rain65°8% rain62°9% rain
60°7% rain56°6% rain
52°1% 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 9%).
It feels like 44°F with winds near 13 mph.
65°F, 9% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 25 mph.
Current temperature is 52°F, wind 13 mph, rain chance up to 9%.
UV index is 1.
Local weather characteristics in Lewistown
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Lewistown is part of the West weather region. The forecast point is near 47.06°N latitude and 109.43°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.
Lewistown weather today
Sunny and 52°F in Lewistown, MT. Today's high is 65°F with a 3% rain chance. Winds are around 13 mph with gusts near 25 mph. Relative humidity is 31%, pressure is 29.91 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Lewistown
Sunrise is at 07:10 AM and sunset is at 07:08 PM. Tomorrow's forecast calls for Overcast with a high near 62°F and a low near 41°F. The maximum rain chance is 9%.