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Great Falls, MT weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Great Falls, MT. Always follow local warnings and emergency instructions.

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Weather status

No dangerous weather alerts for Great Falls, MT

Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.

Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes

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What’s next

Hourly forecast

Great Falls, MT

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Great Falls, MT. Forecasts and alerts update from NOAA and the National Weather Service.

47°Cloudy13% rain
50°Cloudy12% rain
51°Cloudy13% rain
54°Cloudy6% rain
56°Cloudy6% rain
58°Cloudy5% rain
59°Cloudy5% rain
58°Mostly Cloudy5% rain

Next 24 hours

Rain Timeline

Highest chance 13%

No meaningful precipitation is expected in the official hourly forecast.

13%None
12%None
13%None
6%None
6%None
5%None
5%None
5%None
5%None
3%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
5%None
5%None
0%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

60°41°

Cloudy

Precipitation
13%
Wind
NE 5 to 9 mph
Sunrise
6:59 AM
Sunset
7:45 PM

Sun

66°46°

Partly Sunny then Chance Rain Showers

Precipitation
77%
Wind
NNE 2 to 8 mph
Sunrise
7:01 AM
Sunset
7:43 PM

Mon

63°42°

Partly Sunny

Precipitation
8%
Wind
W 20 to 24 mph
Sunrise
7:02 AM
Sunset
7:41 PM

Tue

64°42°

Partly Sunny

Precipitation
19%
Wind
ENE 1 to 6 mph
Sunrise
7:03 AM
Sunset
7:39 PM

Wed

65°43°

Mostly Sunny

Precipitation
6%
Wind
WNW 3 mph
Sunrise
7:05 AM
Sunset
7:37 PM

Thu

73°45°

Sunny

Precipitation
3%
Wind
WSW 6 mph
Sunrise
7:06 AM
Sunset
7:35 PM

Fri

74°49°

Sunny

Precipitation
7%
Wind
W 2 to 6 mph
Sunrise
7:07 AM
Sunset
7:33 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel41°F
Good conditions for walking

Conditions look reasonable, but stay alert for quick weather changes.

WindNE7 mph
Best walk timeBetter weather window: 7 PM–9 PM

Walking: 2% average rain chance, near 55°F, with winds near 10 mph.

Official EPA AirNowLocal air qualityGreat Falls, MT
View AQI +
More weather details
Wind gustsNot reported
Rain now13%next hour
Humidity93%current
Daily peak UV forecastCheckingEPA daily maximum · not a current reading

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure
Visibility10.0 mi
Peak rain chance13%
Dew point43°F
Active alertsNone

Official risk outlooks

These national tools add expert storm, heavy-rain and flooding context to your local forecast.

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