Hourly Weather Forecast - Fort Harrison, MT

12 AM
35°F
30%
4mph
SSW
30% Chance Snow Showers
Humidity
71%
Feels like
32°F
Dew Point
27°F
1 AM
35°F
10%
4mph
SSW
Partly Cloudy
Humidity
73%
Feels like
32°F
Dew Point
27°F
2 AM
34°F
20%
4mph
SSW
Partly Cloudy
Humidity
74%
Feels like
31°F
Dew Point
27°F
3 AM
34°F
20%
4mph
SSW
Partly Cloudy
Humidity
75%
Feels like
30°F
Dew Point
27°F
4 AM
34°F
30%
4mph
SSW
30% Chance of Flurries
Humidity
75%
Feels like
30°F
Dew Point
26°F
5 AM
33°F
30%
4mph
SSW
30% Chance of Flurries
Humidity
75%
Feels like
30°F
Dew Point
26°F
6 AM
33°F
30%
3mph
SSW
30% Chance of Flurries
Humidity
76%
Feels like
30°F
Dew Point
27°F
7 AM
34°F
30%
3mph
SW
30% Chance of Flurries
Humidity
76%
Feels like
34°F
Dew Point
27°F
8 AM
35°F
30%
3mph
SW
30% Chance of Flurries
Humidity
76%
Feels like
35°F
Dew Point
28°F
8:10 AM
9 AM
36°F
30%
3mph
WSW
30% Chance of Flurries
Humidity
76%
Feels like
36°F
Dew Point
29°F
10 AM
37°F
30%
3mph
WSW
30% Chance of Light Rain
Humidity
75%
Feels like
35°F
Dew Point
30°F
11 AM
39°F
30%
3mph
WSW
30% Chance of Light Rain
Humidity
72%
Feels like
37°F
Dew Point
31°F
12 PM
40°F
30%
4mph
WSW
30% Chance of Light Rain
Humidity
67%
Feels like
38°F
Dew Point
30°F
1 PM
41°F
30%
4mph
WSW
30% Chance of Light Rain
Humidity
66%
Feels like
38°F
Dew Point
31°F
2 PM
41°F
30%
4mph
WSW
30% Chance of Light Rain
Humidity
67%
Feels like
38°F
Dew Point
31°F
3 PM
39°F
30%
4mph
WSW
30% Chance of Light Rain
Humidity
70%
Feels like
37°F
Dew Point
31°F
4 PM
38°F
30%
3mph
WSW
30% Chance of Light Rain
Humidity
73%
Feels like
38°F
Dew Point
30°F
4:43 PM
5 PM
36°F
30%
2mph
WSW
30% Chance of Light Rain
Humidity
74%
Feels like
36°F
Dew Point
29°F
6 PM
35°F
30%
2mph
SW
30% Chance of Light Rain
Humidity
76%
Feels like
35°F
Dew Point
28°F
7 PM
34°F
30%
3mph
SW
30% Chance of Light Rain
Humidity
76%
Feels like
34°F
Dew Point
28°F
8 PM
34°F
30%
3mph
SW
30% Chance Frozen Mix
Humidity
77%
Feels like
31°F
Dew Point
27°F
9 PM
33°F
30%
3mph
SW
30% Chance Frozen Mix
Humidity
79%
Feels like
31°F
Dew Point
28°F
10 PM
33°F
20%
3mph
SW
Cloudy
Humidity
79%
Feels like
33°F
Dew Point
27°F
11 PM
32°F
20%
2mph
SW
Cloudy
Humidity
80%
Feels like
32°F
Dew Point
27°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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