Local weather forecast

Weather in Big Sky, MT

Updated 2026-09-26 08:00 local time · ZIP codes 59716

Overcast
Now44°F

Overcast

High / Low64° / 42°
Rain chance6%
Wind4 mph
No active weather alerts

No government weather alerts were returned for this location at the latest update.

Hourly

Next hours

NowOvercast44°16% rain
9 AMOvercast49°13% rain
10 AMOvercast54°10% rain
11 AMOvercast58°10% rain
12 PMOvercast61°9% rain
1 PMOvercast62°9% rain
2 PMOvercast63°9% rain
3 PMOvercast64°9% rain
4 PMOvercast64°9% rain
5 PMPartly Cloudy64°3% rain
6 PMPartly Cloudy62°3% rain
7 PMCloudy55°7% rain
Forecast

3-day weather forecast

Today2026-09-26
Overcast
64° 42°Overcast
Rain 6%Gust 14 mph
Tomorrow2026-09-27
Overcast
66° 45°Overcast
Rain 17%Gust 13 mph
Monday2026-09-28
Overcast
60° 42°Overcast
Rain 36%Gust 4 mph
Conditions

Weather details

Feels like42°F
Humidity64%
Pressure29.96 inHg
Visibility6 mi
Wind4 mph SSW
Wind gusts5 mph
Precipitation0.00 in
UV index0
Daylight

Sunrise, sunset and moon

Sunrise07:17 AM
Sunset07:16 PM
Moonrise07:03 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour4 PM · 64°F
Coolest hour8 AM · 44°F
Highest rain chance8 AM · 16%
Strongest gusts3 PM · 22 mph
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 16%).

A jacket or sweater is a good idea

It feels like 42°F with winds near 4 mph.

Best window: 5 PM

64°F, 3% rain chance and 10 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 22 mph.

Run with a few weather adjustments

Current temperature is 44°F, wind 4 mph, rain chance up to 16%.

Low UV protection needs

UV index is 0.

Local weather characteristics in Big Sky

Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.

Big Sky is part of the West weather region. The forecast point is near 45.28°N latitude and 111.37°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.

Big Sky weather today

Overcast and 44°F in Big Sky, MT. Today's high is 64°F with a 6% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 64%, pressure is 29.96 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Big Sky

Sunrise is at 07:17 AM and sunset is at 07:16 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 45°F. The maximum rain chance is 17%.

Nearby

Weather near Big Sky

Montana

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