Hourly Weather Forecast - Sidney, MT

1 PM
30°F
40%
9mph
N
40% Chance of Snow
Humidity
92%
Feels like
22°F
Dew Point
28°F
2 PM
28°F
70%
10mph
N
70% Chance of Heavy Snow
Humidity
94%
Feels like
18°F
Dew Point
26°F
3 PM
25°F
70%
13mph
N
70% Chance of Snow
Humidity
89%
Feels like
14°F
Dew Point
23°F
4 PM
22°F
30%
17mph
NNW
30% Chance of Snow
Humidity
87%
Feels like
8°F
Dew Point
19°F
4:04 PM
5 PM
19°F
30%
19mph
NNW
30% Chance of Flurries
Humidity
81%
Feels like
3°F
Dew Point
14°F
6 PM
15°F
30%
19mph
NNW
30% Chance of Snow
Humidity
80%
Feels like
-2°F
Dew Point
10°F
7 PM
12°F
10%
19mph
NNW
Mostly Cloudy
Humidity
76%
Feels like
-6°F
Dew Point
6°F
8 PM
8°F
10%
18mph
NNW
Mostly Cloudy
Humidity
74%
Feels like
-10°F
Dew Point
2°F
9 PM
5°F
10%
17mph
NNW
Mostly Cloudy
Humidity
73%
Feels like
-14°F
Dew Point
-1°F
10 PM
3°F
0%
16mph
NW
Mostly Cloudy
Humidity
72%
Feels like
-16°F
Dew Point
-4°F
11 PM
1°F
0%
15mph
NW
Mostly Cloudy
Humidity
70%
Feels like
-18°F
Dew Point
-7°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Rains Finally Easing Across the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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