Weather in Ismay, MT
Updated 2026-09-26 09:00 local time · ZIP codes 59336
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
54°1% rain57°1% rain59°1% rain61°0% rain62°0% rain63°0% rain64°0% rain64°0% rain63°1% rain62°1% rain
70°1% rain69°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 1%).
It feels like 43°F with winds near 17 mph.
70°F, 1% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 26 mph.
Current temperature is 54°F, wind 17 mph, rain chance up to 1%.
UV index is 1.
Local weather characteristics in Ismay
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Ismay is part of the West weather region. The forecast point is near 46.50°N latitude and 104.79°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.
Ismay weather today
Sunny and 54°F in Ismay, MT. Today's high is 70°F with a 2% rain chance. Winds are around 17 mph with gusts near 26 mph. Relative humidity is 33%, pressure is 29.87 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Ismay
Sunrise is at 06:51 AM and sunset is at 06:49 PM. Tomorrow's forecast calls for Overcast with a high near 65°F and a low near 52°F. The maximum rain chance is 7%.