Weather in Decker, MT
Updated 2026-09-26 09:45 local time · ZIP codes 59025
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
57°1% rain62°1% rain65°1% rain68°0% rain70°0% rain72°1% rain
73°7% rain73°1% rain72°1% rain
65°1% rain62°1% rain59°1% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 7%).
It feels like 50°F with winds near 7 mph.
70°F, 0% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 22 mph.
Current temperature is 57°F, wind 7 mph, rain chance up to 7%.
UV index is 1.
Local weather characteristics in Decker
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Decker is part of the West weather region. The forecast point is near 45.01°N latitude and 106.86°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Decker weather today
Sunny and 57°F in Decker, MT. Today's high is 73°F with a 1% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 39%, pressure is 29.92 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Decker
Sunrise is at 06:59 AM and sunset is at 06:58 PM. Tomorrow's forecast calls for Overcast with a high near 71°F and a low near 49°F. The maximum rain chance is 8%.