Weather in Chinook, MT
Updated 2026-08-11 11:30 local time · ZIP codes 59523

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
72°1% rain
80°1% rain
82°1% rain
83°0% rain
84°0% rain
84°0% rain
83°0% rain
82°0% rain
78°1% rain
74°1% rain
72°1% rain
71°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 1%).
It feels like 75°F with winds near 6 mph.
78°F, 1% rain chance and 7 mph wind.
Visibility is around 10 mi; gusts may reach 23 mph.
Current temperature is 72°F, wind 6 mph, rain chance up to 1%.
UV index is 3.
Chinook weather today
Sunny and 72°F in Chinook, MT. Today's high is 84°F with a 1% rain chance. Winds are around 6 mph with gusts near 6 mph. Relative humidity is 41%, pressure is 30.02 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Chinook
Sunrise is at 06:05 AM and sunset is at 08:39 PM. Tomorrow's forecast calls for Sunny with a high near 77°F and a low near 61°F. The maximum rain chance is 36%.