Hourly Weather Forecast - Sidney, MT

12 AM
25°F
10%
6mph
SSE
Partly Cloudy
Humidity
74%
Feels like
18°F
Dew Point
17°F
1 AM
26°F
10%
6mph
SSE
Partly Cloudy
Humidity
71%
Feels like
19°F
Dew Point
18°F
2 AM
27°F
10%
7mph
SSE
Mostly Cloudy
Humidity
69%
Feels like
20°F
Dew Point
19°F
3 AM
28°F
10%
7mph
SSE
Cloudy
Humidity
69%
Feels like
20°F
Dew Point
19°F
4 AM
28°F
10%
7mph
SSE
Cloudy
Humidity
70%
Feels like
21°F
Dew Point
20°F
5 AM
29°F
10%
8mph
S
Cloudy
Humidity
70%
Feels like
21°F
Dew Point
20°F
6 AM
29°F
10%
7mph
S
Cloudy
Humidity
72%
Feels like
21°F
Dew Point
21°F
7 AM
29°F
20%
7mph
S
Cloudy
Humidity
75%
Feels like
23°F
Dew Point
22°F
7:42 AM
8 AM
31°F
10%
7mph
SSW
Cloudy
Humidity
76%
Feels like
24°F
Dew Point
24°F
9 AM
32°F
10%
7mph
SSW
Cloudy
Humidity
75%
Feels like
26°F
Dew Point
26°F
10 AM
34°F
10%
8mph
SW
Cloudy
Humidity
76%
Feels like
27°F
Dew Point
27°F
11 AM
35°F
10%
8mph
SW
Cloudy
Humidity
76%
Feels like
29°F
Dew Point
28°F
12 PM
36°F
10%
8mph
WSW
Cloudy
Humidity
76%
Feels like
30°F
Dew Point
29°F
1 PM
37°F
10%
8mph
WSW
Cloudy
Humidity
76%
Feels like
30°F
Dew Point
30°F
2 PM
36°F
20%
8mph
W
Cloudy
Humidity
77%
Feels like
30°F
Dew Point
29°F
3 PM
34°F
20%
8mph
W
Cloudy
Humidity
81%
Feels like
28°F
Dew Point
29°F
4 PM
33°F
30%
9mph
WNW
30% Chance of Flurries
Humidity
83%
Feels like
25°F
Dew Point
28°F
4:07 PM
5 PM
31°F
30%
9mph
WNW
30% Chance of Flurries
Humidity
84%
Feels like
24°F
Dew Point
27°F
6 PM
30°F
20%
9mph
WNW
Mostly Cloudy
Humidity
83%
Feels like
22°F
Dew Point
26°F
7 PM
29°F
20%
10mph
NW
Mostly Cloudy
Humidity
84%
Feels like
21°F
Dew Point
25°F
8 PM
28°F
20%
10mph
NW
Partly Cloudy
Humidity
84%
Feels like
19°F
Dew Point
24°F
9 PM
27°F
10%
10mph
NNW
Partly Cloudy
Humidity
84%
Feels like
18°F
Dew Point
23°F
10 PM
26°F
10%
9mph
NNW
Partly Cloudy
Humidity
85%
Feels like
16°F
Dew Point
22°F
11 PM
24°F
10%
9mph
N
Partly Cloudy
Humidity
86%
Feels like
15°F
Dew Point
20°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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