Yellowstone County, MT Weather Tomorrow

Follow tomorrow's Yellowstone County weather with an accurate 5 day outlook that includes precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Yellowstone County area.
Updated: Thu Nov 12th 2026 1:15 AM MST
Yellowstone County, MT Weather – 11-12 – Cloudy
65° / 45°
Cloudy
In Yellowstone County, skies will be cloudy with highs near 65°F and lows around 45°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 8mph and gusts of 14.7mph at 10 AM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 66% at 10 PM and 34% being its lowest at 2 PM. Barometric pressure is its highest of 30.03inHg at 2 AM, a lowest point of 29.81inHg at 11 PM with an avg 29.92inHg.
Yellowstone County, MT Weather – 11-13 – Cloudy
60° / 40°

Weather Tomorrow

Cloudy
Daytime highs will reach 60°F with lows dropping to 40°F in Yellowstone County, where skies will be cloudy. There might be light rainfall having a 11% chance. Winds will be light at 4mph and gusts of 6.4mph at 3 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 74% at 5 AM and 36% being its lowest at 2 PM. Barometric pressure is its highest of 29.8inHg at 12 AM, a lowest point of 29.56inHg at 11 PM with an avg 29.67inHg.
Yellowstone County, MT Weather – 11-14 – Partly Cloudy
61° / 40°
Partly Cloudy
Daytime highs will reach 61°F with lows dropping to 40°F in Yellowstone County, where it will be cloudy. There's a very small chance of rainfall, only about 6%. Winds will be light at 10mph and gusts of 19.3mph at 9 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 68% at 11 PM and 37% being its lowest at 2 PM. Barometric pressure is its highest of 29.81inHg at 11 PM, a lowest point of 29.56inHg at 3 AM with an avg 29.63inHg.
Yellowstone County, MT Weather – 11-15 – Sunny
58° / 40°
Sunny
It will be sunny in Yellowstone County, with a high of 58°F and a low of 40°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 8mph and gusts of 16.3mph at 8 AM. The humidity will be on the higher side, averaging about 61%, the maximum being 80% at 5 AM and 36% being its lowest at 2 PM. Barometric pressure is its highest of 29.97inHg at 9 AM, a lowest point of 29.83inHg at 12 AM with an avg 29.9inHg.
Yellowstone County, MT Weather – 11-16 – Cloudy
57° / 39°
Cloudy
It will be cloudy in Yellowstone County, with a high of 57°F and a low of 39°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 6mph and gusts of 10.1mph at 3 AM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 67% at 12 AM and 35% being its lowest at 2 PM. Barometric pressure is its highest of 29.98inHg at 8 AM, a lowest point of 29.84inHg at 4 PM with an avg 29.9inHg.
Yellowstone County, MT Weather – 11-17 – Overcast
49° / 39°
Overcast
In Yellowstone County, cloud-filled skies are likely with a high near 49°F and a low around 39°F. There might be light rainfall having a 25% chance with an estimated 0.01in. Winds will be light at 6mph and gusts of 11.9mph at 5 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 73% at 11 PM and 46% being its lowest at 5 PM. Barometric pressure is its highest of 29.96inHg at 11 PM, a lowest point of 29.85inHg at 12 AM with an avg 29.91inHg.

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