Weather Tomorrow

Weather Tomorrow in Great Falls, MT

Friday, May 22, 2026

69°Low 36°FColdHot
Clear

Precip chance

12%

Wind

3-5 mph

Humidity

53%

Feels like

67–38°F

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

Tomorrow by Hour

36°Temperature trend69°
TimeTempConditionRain %Wind
6 AM44°FMostly Clear
0%
5 mph SW
7 AM43°FPartly Cloudy
0%
3 mph SW
8 AM42°FPartly Cloudy
0%
3 mph SSW
9 AM39°FMostly Clear
0%
3 mph SSW
10 AM38°FPartly Cloudy
0%
3 mph SSW
11 AM38°FPartly Cloudy
0%
3 mph SW
12 PM36°FMostly Sunny
0%
3 mph SW
1 PM40°FMostly Sunny
0%
5 mph SW
2 PM45°FMostly Sunny
0%
3 mph SW
3 PM51°FSunny
0%
3 mph SW
4 PM59°FSunny
0%
5 mph SW
5 PM62°FSunny
0%
5 mph SW
6 PM64°FMostly Sunny
4%
5 mph WSW
7 PM65°FMostly Sunny
5%
3 mph WSW
8 PM67°FPartly Sunny
6%
3 mph WSW
9 PM67°FMostly Sunny
7%
3 mph SW
10 PM67°FPartly Sunny
7%
3 mph W
11 PM69°FMostly Sunny
7%
3 mph W
12 AM67°FMostly Cloudy
10%
3 mph WSW
1 AM67°FMostly Cloudy
11%
3 mph WSW
2 AM65°FMostly Cloudy
12%
3 mph WSW
3 AM59°FMostly Cloudy
6%
3 mph S
4 AM55°FMostly Cloudy
5%
3 mph S
5 AM52°FMostly Cloudy
6%
3 mph S

Precipitation Timeline

100%
50%
6a12p6p12a
<20%20-50%50-70%>70%

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: 69°F

Low: 36°F

Wind: 3-5 mph

Rain: 12%

Big temperature swing (36°F to 69°F) — dress in removable layers.

Best Time to Be Outside Tomorrow

10 PM – 11 PM96

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

6a12p6p12a

More for Great Falls, MT

Forecast by ZIP in Great Falls

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Frequently Asked Questions

What is the weather forecast for tomorrow in Great Falls, MT?
Tomorrow in Great Falls: High of 69°F, Low of 36°F. Clear with 12% chance of precipitation. Wind 3-5 mph.
Will it rain tomorrow in Great Falls?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Great Falls?
With a high of 69°F and low of 36°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.