Hourly Weather Forecast - Simms, MT

12 AM
32°F
0%
15mph
W
Clear
Humidity
50%
Feels like
21°F
Dew Point
15°F
1 AM
31°F
0%
14mph
WSW
Clear
Humidity
51%
Feels like
21°F
Dew Point
15°F
2 AM
31°F
0%
13mph
WSW
Clear
Humidity
52%
Feels like
21°F
Dew Point
15°F
3 AM
31°F
0%
13mph
WSW
Mostly Clear
Humidity
52%
Feels like
21°F
Dew Point
16°F
4 AM
31°F
0%
12mph
SW
Partly Cloudy
Humidity
53%
Feels like
21°F
Dew Point
16°F
5 AM
31°F
0%
11mph
SW
Mostly Cloudy
Humidity
54%
Feels like
21°F
Dew Point
16°F
6 AM
31°F
0%
12mph
SW
Cloudy
Humidity
56%
Feels like
21°F
Dew Point
17°F
7 AM
31°F
0%
12mph
SW
Cloudy
Humidity
58%
Feels like
21°F
Dew Point
18°F
8 AM
31°F
0%
14mph
SW
Cloudy
Humidity
59%
Feels like
21°F
Dew Point
19°F
8:10 AM
9 AM
33°F
0%
15mph
SW
Cloudy
Humidity
56%
Feels like
23°F
Dew Point
19°F
10 AM
35°F
0%
16mph
SW
Cloudy
Humidity
52%
Feels like
25°F
Dew Point
19°F
11 AM
36°F
0%
17mph
SSW
Cloudy
Humidity
48%
Feels like
27°F
Dew Point
19°F
12 PM
37°F
0%
17mph
SSW
Cloudy
Humidity
45%
Feels like
28°F
Dew Point
18°F
1 PM
38°F
10%
17mph
SSW
Cloudy
Humidity
43%
Feels like
29°F
Dew Point
18°F
2 PM
38°F
10%
17mph
SSW
Cloudy
Humidity
43%
Feels like
29°F
Dew Point
18°F
3 PM
38°F
10%
16mph
SSW
Cloudy
Humidity
45%
Feels like
29°F
Dew Point
19°F
4 PM
38°F
10%
15mph
SSW
Cloudy
Humidity
50%
Feels like
29°F
Dew Point
21°F
4:37 PM
5 PM
38°F
30%
15mph
SSW
30% Chance of Light Rain
Humidity
54%
Feels like
29°F
Dew Point
22°F
6 PM
38°F
30%
16mph
SSW
30% Chance of Light Rain
Humidity
56%
Feels like
29°F
Dew Point
24°F
7 PM
38°F
30%
17mph
SSW
30% Chance of Light Rain
Humidity
59%
Feels like
28°F
Dew Point
25°F
8 PM
39°F
30%
19mph
SSW
30% Chance of Light Rain
Humidity
61%
Feels like
29°F
Dew Point
26°F
9 PM
40°F
30%
21mph
SSW
30% Chance Rain Showers
Humidity
63%
Feels like
30°F
Dew Point
28°F
10 PM
42°F
30%
23mph
SW
30% Chance Rain Showers
Humidity
64%
Feels like
32°F
Dew Point
30°F
11 PM
43°F
30%
25mph
SW
30% Chance Rain Showers
Humidity
65%
Feels like
33°F
Dew Point
32°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today'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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