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Weather in Great Falls, Montana for January 2026

Your guide to Great Falls weather in January - trends and predictions

    Snow Forecast ❄️

  • Great Falls typically experiences moderate snowfall in January, with an average of 7 snowy days.
    According to Great Falls snow forecast for January 2026, 3 snowy days are expected until the end of the month. The closest date with snow is Thursday, January 22.

    • Temperatures

  • So far, January 2026 in Great Falls shows a warmer trend than usual by 2.7 °F.

  • The forecast for the upcoming days in Great Falls predicts a temperature of 4.5 °F, which is slightly above the historical average.

  • In general, the average temperature in Great Falls at the beginning of January is 1.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 6.7 °F by the end of January.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
17
Dry days
Average rainy days
7
Rainy days
Average snowy days
7
Snow days
Average temperatures
-1°/-7°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Great Falls Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Mist
0°
2
Overcast
6°
3
Overcast
5°
4
Light freezing rain
0°
5
Overcast
1°
6
Overcast
-2°
7
Overcast
2°
8
Light freezing rain
1°
9
Overcast
1°
10
Overcast
4°
11
Moderate snow
4°
12
Moderate or heavy snow showers
4°
13
Overcast
6°
14
Partly cloudy
7°
15
Partly cloudy
3°
16
Sunny
0°
17
Sunny
7°
18
Partly cloudy
3°
19
Partly cloudy
1°
20
Sunny
5°
21
Partly cloudy
6°
22
Partly cloudy
6°
23
Mist
-3°
24
Partly cloudy
-2°
25
Partly cloudy
7°
26
Sunny
9°
27
Sunny
9°
28
Sunny
11°
29
Partly cloudy
4°
30
Overcast
4°
31
Overcast
3°

Temperatures trend during January in Great Falls

See the weather trend as well as the moving average line

January weather in Great Falls day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Mist
Mist
 0° /-5° 0 mm 0 cm
Jan. 2 Overcast
Overcast
 6° /0° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 5° /0° 0 mm 0 cm
Jan. 4 Light freezing rain
Light freezing rain
 0° /-6° 1.2 mm 0 cm
Jan. 5 Overcast
Overcast
 1° /-8° 0.5 mm 0 cm
Jan. 6 Overcast
Overcast
 -2° /-7° 1.2 mm 0.4 cm
Jan. 7 Overcast
Overcast
 2° /-7° 0.3 mm 0 cm
Jan. 8 Light freezing rain
Light freezing rain
 1° /-5° 3.5 mm 2.1 cm
Jan. 9 Overcast
Overcast
 1° /-6° 0 mm 0 cm
Jan. 10 Overcast
Overcast
 4° /-2° 0.2 mm 0 cm
Jan. 11 Moderate snow
Moderate snow
 4° /-1° 4.4 mm 2.6 cm
Jan. 12 Moderate or heavy snow showers
Moderate or heavy snow showers
 4° /0° 3.8 mm 1.6 cm
Jan. 13 Overcast
Overcast
 6° /-2° 0 mm 0 cm
Jan. 14 Partly cloudy
Partly cloudy
 7° /-3° 0 mm 0 cm
Jan. 15 Partly cloudy
Partly cloudy
 3° /-2° 0 mm 0 cm
Jan. 16 Sunny
Sunny
 0° /-8° 0 mm 0 cm
Jan. 17 Sunny
Sunny
 7° /-10° 0 mm 0 cm
Jan. 18 Partly cloudy
Partly cloudy
 3° /-3° 0 mm 0 cm
Jan. 19 Partly cloudy
Partly cloudy
 1° /-5° 0 mm 0 cm
Jan. 20 Sunny
Sunny
 5° /-3° 0 mm 0 cm
Jan. 21 Partly cloudy
Partly cloudy
 6° /-4° 0 mm 0 cm
Jan. 22 Partly cloudy
Partly cloudy
 6° /-4° 0 mm 0 cm
Jan. 23 Mist
Mist
 -3° /-8° 0.1 mm 0.1 cm
Jan. 24 Partly cloudy
Partly cloudy
 -2° /-9° 0 mm 0 cm
Jan. 25 Partly cloudy
Partly cloudy
 7° /-2° 0 mm 0 cm
Jan. 26 Sunny
Sunny
 9° /2° 0 mm 0 cm
Jan. 27 Sunny
Sunny
 9° /2° 0 mm 0 cm
Jan. 28 Sunny
Sunny
 11° /3° 0 mm 0 cm
Jan. 29 Partly cloudy
Partly cloudy
 4° /-4° 0 mm 0 cm
Jan. 30 Overcast
Overcast
 4° /-2° 0 mm 0 cm
Jan. 31 Overcast
Overcast
 3° /0° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Great Falls in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Great Falls forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Great Falls in January - FAQ

What are the expected maximum and minimum temperatures in Great Falls during January?

Brace for cold days with temperatures not exceeding -1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Great Falls during January?

In January, Great Falls can expect light to moderate rainfall, totaling 38.9 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Great Falls in January 2026?

Great Falls experiences an average snowfall of 14.7 cm during January, occurring over 7 days.

What are the typical wind conditions in Great Falls during January?

The average wind speed in Great Falls during January is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Great Falls snow forecast January 2026

Track daily snowfall levels and discover Great Falls’s snowy potential this January ❄️
On average, Great Falls sees 7 snowy days during January, with approximately 14.7 cm of total snowfall.

January rainfall patterns in Great Falls

Explore the daily rainfall trends and prepare for Great Fallss January weather 💧
Typically, Great Falls has 7 rainy days in January with a total of 38.9 mm of rainfall.

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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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