Hourly Weather Forecast - Simms, MT

12 AM
46°F
0%
24mph
SW
Windy
Humidity
50%
Feels like
37°F
Dew Point
28°F
1 AM
46°F
0%
25mph
SW
Windy
Humidity
49%
Feels like
37°F
Dew Point
28°F
2 AM
46°F
10%
26mph
SW
Windy
Humidity
50%
Feels like
38°F
Dew Point
29°F
3 AM
47°F
10%
27mph
SW
Windy
Humidity
53%
Feels like
38°F
Dew Point
30°F
4 AM
47°F
20%
27mph
SSW
Windy
Humidity
57%
Feels like
38°F
Dew Point
33°F
5 AM
47°F
30%
28mph
SSW
30% Chance of Light Rain
Humidity
60%
Feels like
39°F
Dew Point
34°F
6 AM
47°F
40%
30mph
SW
40% Chance Rain Showers
Humidity
61%
Feels like
38°F
Dew Point
35°F
7 AM
47°F
40%
31mph
SW
40% Chance Rain Showers
Humidity
62%
Feels like
38°F
Dew Point
35°F
8 AM
46°F
30%
34mph
SW
30% Chance Rain Showers
Humidity
60%
Feels like
36°F
Dew Point
33°F
8:10 AM
9 AM
44°F
50%
39mph
WSW
50% Chance Rain Showers
Humidity
53%
Feels like
33°F
Dew Point
28°F
10 AM
42°F
40%
43mph
WSW
40% Chance Rain Showers
Humidity
44%
Feels like
29°F
Dew Point
22°F
11 AM
40°F
30%
46mph
W
30% Chance Rain Showers
Humidity
38%
Feels like
26°F
Dew Point
16°F
12 PM
38°F
30%
46mph
W
30% Chance Rain Showers
Humidity
36%
Feels like
24°F
Dew Point
14°F
1 PM
38°F
10%
45mph
W
Windy
Humidity
37%
Feels like
23°F
Dew Point
14°F
2 PM
37°F
10%
44mph
W
Windy
Humidity
38%
Feels like
22°F
Dew Point
14°F
3 PM
36°F
10%
41mph
W
Windy
Humidity
39%
Feels like
21°F
Dew Point
13°F
4 PM
35°F
10%
36mph
W
Windy
Humidity
40%
Feels like
21°F
Dew Point
13°F
4:37 PM
5 PM
34°F
0%
33mph
W
Windy
Humidity
41%
Feels like
20°F
Dew Point
13°F
6 PM
34°F
0%
31mph
W
Windy
Humidity
42%
Feels like
20°F
Dew Point
13°F
7 PM
34°F
0%
30mph
W
Windy
Humidity
42%
Feels like
20°F
Dew Point
13°F
8 PM
34°F
0%
28mph
W
Windy
Humidity
43%
Feels like
21°F
Dew Point
14°F
9 PM
33°F
0%
24mph
W
Windy
Humidity
44%
Feels like
21°F
Dew Point
14°F
10 PM
33°F
0%
19mph
W
Mostly Clear
Humidity
46%
Feels like
21°F
Dew Point
14°F
11 PM
32°F
0%
15mph
W
Mostly Clear
Humidity
48%
Feels like
21°F
Dew Point
14°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.

Tuesday's Weather Outlook

Tuesday'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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