Weather Tomorrow in Helena, MT
Special Weather StatementUntil Aug 22, 11:45 PM
Special Weather Statement issued August 22 at 5:03PM MDT by NWS Great Falls MT
If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.
Sunday, August 23, 2026
Precip chance
22%
Wind
1-13 mph
Humidity
52%
Feels like
83–59°F
Rain forecast
Low chance of precipitation. Highest risk around 8 PM (22%).
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 6 AM☽ | 69°F | Mostly Cloudy | 8% | 5 mph SW | ||
| 7 AM☽ | 66°F | Mostly Cloudy | 7% | 5 mph ESE | ||
| 8 AM☽ | 65°F | Mostly Cloudy | 7% | 3 mph S | ||
| 9 AM☽ | 63°F | Mostly Cloudy | 3% | 3 mph WSW | ||
| 10 AM☽ | 60°F | Partly Cloudy | 3% | 2 mph WSW | ||
| 11 AM☽ | 59°F | Partly Cloudy | 3% | 2 mph WSW | ||
| 12 PM | 59°F | Mostly Cloudy | 2% | 2 mph SW | ||
| 1 PM | 57°F | Partly Sunny | 2% | 1 mph WSW | ||
| 2 PM | 60°F | Sunny | 2% | 3 mph WSW | ||
| 3 PM | 63°F | Mostly Sunny | 2% | 1 mph W | ||
| 4 PM | 69°F | Mostly Sunny | 3% | 3 mph ENE | ||
| 5 PM | 74°F | Mostly Sunny | 3% | 5 mph ENE | ||
| 6 PM | 78°F | Partly Sunny | 14% | 6 mph NNE | ||
| 7 PM | 81°F | Slight Chance Showers And Thunderstorms | 18% | 7 mph W | ||
| 8 PM | 83°F | Slight Chance Showers And Thunderstorms | 22% | 8 mph W | ||
| 9 PM | 83°F | Slight Chance Showers And Thunderstorms | 18% | 12 mph W | ||
| 10 PM | 83°F | Mostly Sunny | 7% | 13 mph W | ||
| 11 PM | 85°F | Mostly Sunny | 6% | 13 mph W | ||
| 12 AM☽ | 83°F | Mostly Clear | 1% | 13 mph WNW | ||
| 1 AM☽ | 80°F | Mostly Clear | 1% | 13 mph WNW | ||
| 2 AM☽ | 78°F | Mostly Clear | 1% | 13 mph WNW | ||
| 3 AM☽ | 71°F | Mostly Clear | 0% | 7 mph WNW | ||
| 4 AM☽ | 67°F | Mostly Clear | 0% | 7 mph WNW | ||
| 5 AM☽ | 65°F | Patchy Smoke | 0% | 7 mph WNW | ||
Precipitation Timeline
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
- • Sunglasses
- • Sunscreen
Conditions
High: 85°F
Low: 57°F
Wind: 1-13 mph
Rain: 22%
Big temperature swing (57°F to 85°F) — dress in removable layers.
Best Time to Be Outside Tomorrow
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
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