Hourly Weather Forecast - Lewistown, MT

9 AM
37°F
0%
17mph
WSW
Mostly Sunny
Humidity
70%
Feels like
27°F
Dew Point
28°F
10 AM
38°F
10%
18mph
W
Partly Cloudy
Humidity
68%
Feels like
29°F
Dew Point
29°F
11 AM
40°F
10%
18mph
W
Mostly Cloudy
Humidity
67%
Feels like
31°F
Dew Point
30°F
12 PM
40°F
0%
18mph
W
Mostly Cloudy
Humidity
67%
Feels like
32°F
Dew Point
30°F
1 PM
40°F
0%
17mph
W
Mostly Cloudy
Humidity
67%
Feels like
31°F
Dew Point
30°F
2 PM
40°F
0%
17mph
W
Mostly Cloudy
Humidity
68%
Feels like
31°F
Dew Point
30°F
3 PM
39°F
10%
17mph
WSW
Mostly Cloudy
Humidity
70%
Feels like
30°F
Dew Point
30°F
4 PM
38°F
10%
16mph
WSW
Mostly Cloudy
Humidity
72%
Feels like
29°F
Dew Point
29°F
4:28 PM
5 PM
37°F
10%
16mph
WSW
Mostly Cloudy
Humidity
73%
Feels like
28°F
Dew Point
29°F
6 PM
37°F
10%
16mph
SW
Mostly Cloudy
Humidity
74%
Feels like
28°F
Dew Point
30°F
7 PM
38°F
10%
16mph
SW
Mostly Cloudy
Humidity
73%
Feels like
29°F
Dew Point
30°F
8 PM
39°F
10%
16mph
SW
Mostly Cloudy
Humidity
74%
Feels like
31°F
Dew Point
31°F
9 PM
40°F
10%
16mph
SW
Cloudy
Humidity
73%
Feels like
32°F
Dew Point
32°F
10 PM
41°F
10%
17mph
SW
Cloudy
Humidity
73%
Feels like
32°F
Dew Point
33°F
11 PM
42°F
10%
18mph
SW
Cloudy
Humidity
72%
Feels like
33°F
Dew Point
33°F

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic through this evening.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide