Hourly Weather Forecast - Sidney, MT

12 AM
23°F
10%
8mph
N
Partly Cloudy
Humidity
86%
Feels like
14°F
Dew Point
20°F
1 AM
22°F
10%
7mph
NNE
Partly Cloudy
Humidity
86%
Feels like
14°F
Dew Point
19°F
2 AM
22°F
10%
6mph
NNE
Partly Cloudy
Humidity
86%
Feels like
14°F
Dew Point
18°F
3 AM
21°F
10%
6mph
NE
Partly Cloudy
Humidity
88%
Feels like
13°F
Dew Point
18°F
4 AM
20°F
10%
6mph
NE
Partly Cloudy
Humidity
87%
Feels like
12°F
Dew Point
17°F
5 AM
19°F
10%
6mph
ENE
Mostly Cloudy
Humidity
87%
Feels like
12°F
Dew Point
16°F
6 AM
19°F
10%
6mph
ENE
Mostly Cloudy
Humidity
89%
Feels like
10°F
Dew Point
16°F
7 AM
19°F
10%
6mph
ENE
Mostly Cloudy
Humidity
88%
Feels like
10°F
Dew Point
16°F
7:43 AM
8 AM
20°F
10%
7mph
ENE
Mostly Cloudy
Humidity
85%
Feels like
11°F
Dew Point
16°F
9 AM
22°F
10%
7mph
E
Mostly Cloudy
Humidity
77%
Feels like
14°F
Dew Point
16°F
10 AM
25°F
10%
7mph
ESE
Mostly Cloudy
Humidity
72%
Feels like
17°F
Dew Point
17°F
11 AM
28°F
10%
7mph
ESE
Mostly Cloudy
Humidity
68%
Feels like
20°F
Dew Point
18°F
12 PM
30°F
10%
7mph
SE
Mostly Cloudy
Humidity
65%
Feels like
23°F
Dew Point
20°F
1 PM
33°F
10%
7mph
SE
Mostly Cloudy
Humidity
62%
Feels like
26°F
Dew Point
21°F
2 PM
33°F
10%
7mph
SE
Mostly Cloudy
Humidity
63%
Feels like
26°F
Dew Point
22°F
3 PM
32°F
10%
7mph
SE
Mostly Cloudy
Humidity
69%
Feels like
25°F
Dew Point
23°F
4 PM
29°F
0%
6mph
ESE
Mostly Cloudy
Humidity
76%
Feels like
23°F
Dew Point
23°F
4:08 PM
5 PM
27°F
0%
6mph
ESE
Mostly Cloudy
Humidity
83%
Feels like
20°F
Dew Point
22°F
6 PM
25°F
0%
8mph
ESE
Mostly Cloudy
Humidity
88%
Feels like
17°F
Dew Point
22°F
7 PM
24°F
0%
7mph
ESE
Cloudy
Humidity
93%
Feels like
16°F
Dew Point
22°F
8 PM
24°F
0%
7mph
ESE
Cloudy
Humidity
93%
Feels like
16°F
Dew Point
22°F
9 PM
25°F
0%
6mph
ESE
Cloudy
Humidity
93%
Feels like
17°F
Dew Point
23°F
10 PM
25°F
0%
6mph
ESE
Cloudy
Humidity
93%
Feels like
17°F
Dew Point
23°F
11 PM
25°F
0%
6mph
ESE
Cloudy
Humidity
94%
Feels like
17°F
Dew Point
23°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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