Weather in Sidney, MT
Updated 2026-09-26 09:00 local time · ZIP codes 59270
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
57°1% rain59°1% rain61°1% rain63°0% rain64°0% rain65°0% rain65°0% rain65°1% rain
64°8% rain61°1% rain
67°9% rain67°9% 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 9%).
It feels like 42°F with winds near 20 mph.
67°F, 9% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 31 mph.
Current temperature is 57°F, wind 20 mph, rain chance up to 9%.
UV index is 1.
Local weather characteristics in Sidney
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Sidney is part of the West weather region. The forecast point is near 47.72°N latitude and 104.16°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.
Sidney weather today
Sunny and 57°F in Sidney, MT. Today's high is 67°F with a 4% rain chance. Winds are around 20 mph with gusts near 31 mph. Relative humidity is 36%, pressure is 29.78 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sidney
Sunrise is at 06:48 AM and sunset is at 06:46 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 50°F. The maximum rain chance is 6%.