Hourly Weather Forecast - Westby, MT

1 PM
0°F
0%
6mph
W
Mostly Sunny
Humidity
57%
Feels like
-13°F
Dew Point
-12°F
2 PM
-1°F
0%
5mph
WSW
Very Cold
Humidity
59%
Feels like
-12°F
Dew Point
-11°F
3 PM
-1°F
0%
4mph
SW
Very Cold
Humidity
60%
Feels like
-10°F
Dew Point
-12°F
4 PM
-1°F
0%
4mph
S
Very Cold
Humidity
59%
Feels like
-10°F
Dew Point
-12°F
4:01 PM
5 PM
-1°F
0%
5mph
SSE
Very Cold
Humidity
65%
Feels like
-11°F
Dew Point
-10°F
6 PM
0°F
0%
5mph
SSE
Partly Cloudy
Humidity
64%
Feels like
-11°F
Dew Point
-10°F
7 PM
0°F
0%
5mph
SSE
Partly Cloudy
Humidity
64%
Feels like
-10°F
Dew Point
-9°F
8 PM
1°F
0%
5mph
SSE
Partly Cloudy
Humidity
69%
Feels like
-10°F
Dew Point
-7°F
9 PM
1°F
0%
5mph
SSE
Partly Cloudy
Humidity
65%
Feels like
-10°F
Dew Point
-8°F
10 PM
1°F
0%
6mph
SSE
Partly Cloudy
Humidity
69%
Feels like
-10°F
Dew Point
-6°F
11 PM
3°F
0%
6mph
SSE
Partly Cloudy
Humidity
69%
Feels like
-8°F
Dew Point
-5°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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