Weather in Simms, MT
Updated 2026-08-11 09:15 local time · ZIP codes 59477
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
61°4% rain66°2% rain72°1% rain77°1% rain81°0% rain84°0% rain85°0% rain86°0% rain86°0% rain86°0% rain84°0% rain80°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 4%).
It feels like 57°F with winds near 7 mph.
72°F, 1% rain chance and 4 mph wind.
Visibility is around 6 mi; gusts may reach 20 mph.
Current temperature is 61°F, wind 7 mph, rain chance up to 4%.
UV index is 1.
Simms weather today
Sunny and 61°F in Simms, MT. Today's high is 86°F with a 1% rain chance. Winds are around 7 mph with gusts near 8 mph. Relative humidity is 62%, pressure is 29.98 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Simms
Sunrise is at 06:18 AM and sunset is at 08:47 PM. Tomorrow's forecast calls for Sunny with a high near 75°F and a low near 55°F. The maximum rain chance is 18%.