Hourly Weather Forecast - Lewistown, MT

12 AM
47°F
30%
9mph
SW
30% Chance of Light Rain
Humidity
70%
Feels like
43°F
Dew Point
38°F
1 AM
47°F
30%
9mph
WSW
30% Chance Rain Showers
Humidity
69%
Feels like
43°F
Dew Point
38°F
2 AM
47°F
0%
9mph
WSW
Partly Cloudy
Humidity
69%
Feels like
42°F
Dew Point
37°F
3 AM
46°F
0%
9mph
WSW
Partly Cloudy
Humidity
70%
Feels like
42°F
Dew Point
37°F
4 AM
46°F
10%
8mph
WSW
Partly Cloudy
Humidity
70%
Feels like
41°F
Dew Point
37°F
5 AM
45°F
10%
8mph
SW
Partly Cloudy
Humidity
70%
Feels like
41°F
Dew Point
36°F
6 AM
46°F
0%
7mph
SW
Partly Cloudy
Humidity
69%
Feels like
42°F
Dew Point
36°F
7 AM
47°F
0%
7mph
SW
Partly Cloudy
Humidity
67%
Feels like
43°F
Dew Point
36°F
7:11 AM
8 AM
49°F
0%
7mph
SW
Mostly Cloudy
Humidity
64%
Feels like
46°F
Dew Point
38°F
9 AM
54°F
0%
8mph
SW
Cloudy
Humidity
58%
Feels like
54°F
Dew Point
39°F
10 AM
58°F
0%
10mph
WSW
Cloudy
Humidity
50%
Feels like
58°F
Dew Point
40°F
11 AM
62°F
0%
12mph
W
Cloudy
Humidity
44%
Feels like
62°F
Dew Point
40°F
12 PM
63°F
0%
14mph
W
Cloudy
Humidity
40%
Feels like
63°F
Dew Point
38°F
1 PM
62°F
0%
15mph
W
Cloudy
Humidity
40%
Feels like
62°F
Dew Point
38°F
2 PM
60°F
0%
16mph
WNW
Cloudy
Humidity
41%
Feels like
60°F
Dew Point
37°F
3 PM
58°F
10%
16mph
WNW
Cloudy
Humidity
43%
Feels like
58°F
Dew Point
36°F
4 PM
57°F
10%
15mph
WNW
Cloudy
Humidity
45%
Feels like
57°F
Dew Point
35°F
5 PM
55°F
10%
15mph
WNW
Cloudy
Humidity
46%
Feels like
55°F
Dew Point
35°F
6 PM
52°F
10%
14mph
NW
Cloudy
Humidity
49%
Feels like
52°F
Dew Point
34°F
7 PM
49°F
10%
13mph
NW
Cloudy
Humidity
54%
Feels like
44°F
Dew Point
33°F
7:37 PM
8 PM
45°F
20%
13mph
NW
Cloudy
Humidity
58%
Feels like
39°F
Dew Point
32°F
9 PM
43°F
20%
13mph
NW
Cloudy
Humidity
60%
Feels like
36°F
Dew Point
30°F
10 PM
41°F
30%
13mph
NW
30% Chance of Light Rain
Humidity
63%
Feels like
33°F
Dew Point
29°F
11 PM
39°F
30%
13mph
NW
30% Chance of Light Rain
Humidity
63%
Feels like
32°F
Dew Point
28°F

Today's Severe Weather Outlook

Dangerous Spring Storms Take Aim at Ohio Valley, Mid-Atlantic

Spring is here and Mother Nature is set to bring dangerous thunderstorms to parts of the Great Lakes, Ohio Valley and Mid-Atlantic.

Today's High Temperature Outlook

Summer-Like Heat Bakes the Southern U.S.

Weekend Weather Outlook

Today's Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide