Weather Tomorrow

Weather Tomorrow for ZIP 59401

Great Falls, MT · View full Great Falls forecast

Tuesday, September 15, 2026

66°Low 42°FColdHot
Cloudy

Precip chance

8%

Wind

0-10 mph

Humidity

68%

Feels like

64–44°F

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

42°Temperature trend66°
TimeTempConditionRain %Wind
6 AM48°FPartly Cloudy
0%
2 mph SSW
7 AM47°FPartly Cloudy
0%
2 mph SSW
8 AM46°FMostly Clear
0%
1 mph S
9 AM44°FMostly Clear
0%
2 mph SE
10 AM44°FPartly Cloudy
0%
1 mph ESE
11 AM43°FPartly Cloudy
0%
1 mph ESE
12 PM42°FMostly Cloudy
0%
0 mph
1 PM43°FMostly Cloudy
0%
0 mph
2 PM44°FMostly Cloudy
0%
0 mph
3 PM47°FMostly Cloudy
0%
1 mph ENE
4 PM52°FMostly Cloudy
0%
1 mph ENE
5 PM55°FMostly Cloudy
0%
1 mph ENE
6 PM58°FMostly Cloudy
0%
5 mph NE
7 PM60°FMostly Cloudy
0%
5 mph NE
8 PM62°FMostly Cloudy
0%
5 mph NE
9 PM64°FCloudy
0%
8 mph NE
10 PM64°FCloudy
0%
8 mph NE
11 PM64°FCloudy
0%
8 mph NE
12 AM66°FCloudy
8%
10 mph NNE
1 AM64°FCloudy
8%
10 mph NNE
2 AM61°FCloudy
8%
10 mph NNE
3 AM57°FMostly Cloudy
8%
9 mph NNE
4 AM54°FMostly Cloudy
8%
9 mph NNE
5 AM52°FMostly Cloudy
8%
9 mph NNE

Precipitation Timeline

No significant precipitation expected tomorrow.

What to Wear Tomorrow

Warm and comfortable — dress light

Clothing

  • T-shirt or light blouse
  • Shorts or light pants

Footwear

Comfortable shoes or sandals

Conditions

High: 66°F

Low: 42°F

Wind: 0-10 mph

Rain: 8%

Enjoy your day!

Best Time to Be Outside Tomorrow

9 PM – 10 PM94

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

6a12p6p12a