Weather in Lewistown, MT
Updated 2026-08-11 09:15 local time · ZIP codes 59457
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
67°1% rain71°1% rain75°1% rain78°0% rain81°0% rain82°0% rain83°0% rain83°0% rain83°0% rain82°0% rain80°0% rain75°0% 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 1%).
It feels like 62°F with winds near 7 mph.
71°F, 1% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 67°F, wind 7 mph, rain chance up to 1%.
UV index is 1.
Lewistown weather today
Sunny and 67°F in Lewistown, MT. Today's high is 83°F with a 1% rain chance. Winds are around 7 mph with gusts near 8 mph. Relative humidity is 41%, pressure is 29.92 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Lewistown
Sunrise is at 06:09 AM and sunset is at 08:36 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 57°F. The maximum rain chance is 17%.