Weather in Sidney, MT
Updated 2026-08-11 09:15 local time · ZIP codes 59270
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
62°6% rain67°4% rain72°2% rain77°1% rain82°1% rain84°1% rain85°0% rain86°0% rain85°0% rain84°0% rain82°0% rain77°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 6%).
It feels like 58°F with winds near 9 mph.
72°F, 2% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 62°F, wind 9 mph, rain chance up to 6%.
UV index is 2.
Sidney weather today
Sunny and 62°F in Sidney, MT. Today's high is 86°F with a 2% rain chance. Winds are around 9 mph with gusts near 10 mph. Relative humidity is 69%, pressure is 29.91 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sidney
Sunrise is at 05:47 AM and sunset is at 08:16 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 59°F. The maximum rain chance is 57%.