Weather in Big Sandy, MT
Updated 2026-08-11 11:30 local time · ZIP codes 59520
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
70°1% rain76°1% rain79°1% rain81°1% rain82°1% rain
83°0% rain83°0% rain82°0% rain80°0% rain76°1% rain
69°1% rain66°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 2%).
It feels like 70°F with winds near 9 mph.
76°F, 1% rain chance and 6 mph wind.
Visibility is around 10 mi; gusts may reach 16 mph.
Current temperature is 70°F, wind 9 mph, rain chance up to 2%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Big Sandy weather today
Sunny and 70°F in Big Sandy, MT. Today's high is 83°F with a 1% rain chance. Winds are around 9 mph with gusts near 10 mph. Relative humidity is 41%, pressure is 30.02 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Big Sandy
Sunrise is at 06:08 AM and sunset is at 08:39 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 61°F. The maximum rain chance is 57%.