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United States weather

10 day weather forecast for Great Falls

Sunday, October 25th, 2026, at 04:38 AM
Today
Mist
2° -6°
Tomorrow
Cloudy
5° -4°
Tuesday
Patchy rain possible
8° 0°
Wednesday
Sunny
10° 0°
Thursday
Overcast
6° -1°
Friday
Cloudy
5° 0°
Saturday
Patchy rain possible
8° 3°
 More Details See
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Great Falls Weather Pages

Great Falls weather forecast

The weather forecast for Great Falls over the next 2 days indicates damp and frigid conditions with temperatures ranging from 2 °C to 5 °C.

Snow is expected on Tuesday,, accompanied by a gentle breeze.

On Tuesday, expect a change in weather with temperatures reaching 8°C, and light showers with a 70% chance.

Weather today

Great Falls 14 days weather forecast

This weeks weather in Great Falls. Click on a date for detailed forecasts
Sun. 25
2°
-6°
Mist
0 mm
Mon. 26
5°
-4°
Cloudy
0 mm
Tue. 27
8°
0°
Patchy rain possible
0.2 cm
Wed. 28
10°
0°
Sunny
0 mm
Thu. 29
6°
-1°
Overcast
0 mm
Fri. 30
5°
0°
Cloudy
0 mm
Sat. 31
8°
3°
Patchy rain possible
2.2 mm
Sun. 1
5°
1°
Light rain
0.7 cm
Mon. 2
8°
0°
Partly cloudy
0 mm
Tue. 3
9°
2°
Partly cloudy
0 mm
Wed. 4
9°
1°
Partly cloudy
0 mm
Thu. 5
9°
1°
Partly cloudy
0 mm
Fri. 6
6°
1°
Cloudy
0 mm
Sat. 7
9°
2°
Cloudy
0.1 mm
Further Ahead
Select a date

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Access Great Falls weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Great Falls long range weather forecast

30 day weather forecast for Great Falls
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
20°
2
Overcast
24°
3
Heavy rain at times
16°
4
Mist
19°
5
Light snow
18°
6
Overcast
21°
7
Sunny
22°
8
Sunny
24°
9
Sunny
23°
10
Light snow
20°
11
Light snow
8°
12
Light snow
5°
13
Light snow
5°
14
Mist
9°
15
Moderate rain
8°
16
Fog
15°
17
Overcast
16°
18
Overcast
13°
19
Overcast
17°
20
Thundery outbreaks possible
13°
21
Partly cloudy
19°
22
Sunny
21°
23
Light snow
15°
24
Cloudy
12°
25
Mist
2°
26
Cloudy
5°
27
Patchy rain possible
8°
28
Sunny
10°
29
Overcast
6°
30
Cloudy
5°
31
Patchy rain possible
8°
Important Notice
Our Great Falls long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Great Falls

A total of 9.5 mm is expected over 3 rainy days. The wettest day is Sunday 1, with 5.8 mm. Click a day for details.
Sun. 25
0 mm
18%
Mon. 26
0 mm
24%
Tue. 27
1.4
1.4 mm
70%
Wed. 28
0 mm
8%
Thu. 29
0 mm
23%
Fri. 30
0 mm
26%
Sat. 31
2.2
2.2 mm
66%
Sun. 1
5.8
5.8 mm
71%
Mon. 2
0 mm
6%
Tue. 3
0 mm
4%
Wed. 4
0 mm
4%
Thu. 5
0 mm
6%
Fri. 6
0 mm
12%
Sat. 7
0.1
0.1 mm
17%

Frequently asked questions about the weather in Great Falls

How warm is it in Great Falls over the next 14 days?
Over the next two weeks, temperatures in Great Falls are expected to range from around -6 °C on the coldest nights up to about 10 °C on the warmest days. Use this range to plan what to pack and wear.

Will it rain in Great Falls in the next two weeks?
Yes - rain is expected on about 3 of the next 14 days in Great Falls, with roughly 9.5 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.

How windy is it in Great Falls?
Maximum wind speeds in Great Falls are forecast to reach about 34.9 km/h at their peak over the next 14 days.

When is the best time to visit Great Falls?
For a month-by-month look at temperatures and rainfall, see our best time to visit Great Falls guide.

How accurate is the 14-day forecast for Great Falls?
Our Great Falls forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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Location coordinates Where is Great Falls?

Get accurate weather forecasts for Great Falls, located at latitude 47.5 and longitude -111.301. Stay updated with localized weather information tailored for Great Falls.

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