Weather Tomorrow in Great Falls, MT
Sunday, August 23, 2026
Clear
Precip chance
19%
Wind
7-21 mph
Humidity
41%
Feels like
87–64°F
Rain forecast
Low chance of precipitation. Highest risk around 7 PM (19%).
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
62°Temperature trend89°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 6 AM☽ | 71°F | Mostly Cloudy | 5% | 9 mph SSW | ||
| 7 AM☽ | 70°F | Mostly Cloudy | 6% | 9 mph SSW | ||
| 8 AM☽ | 68°F | Mostly Cloudy | 5% | 9 mph SW | ||
| 9 AM☽ | 67°F | Mostly Cloudy | 4% | 8 mph SW | ||
| 10 AM☽ | 65°F | Mostly Cloudy | 4% | 8 mph SW | ||
| 11 AM☽ | 64°F | Partly Cloudy | 5% | 8 mph SW | ||
| 12 PM | 63°F | Partly Sunny | 5% | 8 mph WSW | ||
| 1 PM | 62°F | Mostly Sunny | 5% | 7 mph SW | ||
| 2 PM | 66°F | Sunny | 5% | 8 mph SW | ||
| 3 PM | 71°F | Mostly Sunny | 5% | 8 mph SW | ||
| 4 PM | 78°F | Mostly Sunny | 2% | 10 mph SW | ||
| 5 PM | 84°F | Mostly Sunny | 1% | 10 mph WSW | ||
| 6 PM | 87°F | Mostly Sunny | 9% | 10 mph WSW | ||
| 7 PM | 87°F | Slight Chance Showers And Thunderstorms | 19% | 14 mph W | ||
| 8 PM | 89°F | Slight Chance Showers And Thunderstorms | 15% | 16 mph W | ||
| 9 PM | 87°F | Slight Chance Showers And Thunderstorms | 15% | 20 mph W | ||
| 10 PM | 87°F | Mostly Sunny | 5% | 21 mph W | ||
| 11 PM | 87°F | Mostly Sunny | 5% | 20 mph W | ||
| 12 AM☽ | 84°F | Mostly Clear | 2% | 16 mph W | ||
| 1 AM☽ | 82°F | Mostly Clear | 1% | 16 mph W | ||
| 2 AM☽ | 79°F | Mostly Clear | 1% | 16 mph W | ||
| 3 AM☽ | 74°F | Mostly Clear | 0% | 9 mph W | ||
| 4 AM☽ | 70°F | Mostly Clear | 0% | 9 mph W | ||
| 5 AM☽ | 67°F | Mostly Clear | 0% | 9 mph W | ||
Precipitation Timeline
100%
50%
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<20%20-50%50-70%>70%
What to Wear Tomorrow
Hot — wear breathable, light clothing
Clothing
- • Light t-shirt or tank top
- • Shorts or light skirt
- • Hat for sun protection
Footwear
Sandals or breathable sneakers
Accessories
- • Windbreaker
- • Sunglasses
- • Sunscreen
Conditions
High: 89°F
Low: 62°F
Wind: 7-21 mph
Rain: 19%
Big temperature swing (62°F to 89°F) — dress in removable layers. Windy conditions (gusts up to 21 mph) — secure loose items.
Best Time to Be Outside Tomorrow
2 PM – 3 PM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
6a12p6p12a
More for Great Falls, MT
- Will it rain tomorrow in Great Falls?
- What time will it rain tomorrow in Great Falls?
- Weather tomorrow by hour in Great Falls
- Heat index tomorrow by zip code near Great Falls
- Dew point tomorrow by zip code near Great Falls
- Wind chill tomorrow by zip code near Great Falls
- Snow forecast tomorrow by zip code near Great Falls
- What to wear tomorrow in Great Falls
- Best time to be outside tomorrow in Great Falls
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 89°F, Low of 62°F. Clear with 19% chance of precipitation. Wind 7-21 mph.
Will it rain tomorrow in Great Falls?
Low chance of precipitation. Highest risk around 7 PM (19%).
What should I wear tomorrow in Great Falls?
With a high of 89°F and low of 62°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.