Hourly Weather Forecast - Lewistown, MT

9 AM
38°F
0%
12mph
WSW
Mostly Sunny
Humidity
60%
Feels like
30°F
Dew Point
25°F
10 AM
42°F
0%
14mph
W
Sunny
Humidity
49%
Feels like
34°F
Dew Point
24°F
11 AM
45°F
0%
17mph
W
Sunny
Humidity
41%
Feels like
37°F
Dew Point
22°F
12 PM
46°F
0%
18mph
WNW
Mostly Sunny
Humidity
34%
Feels like
39°F
Dew Point
20°F
1 PM
48°F
0%
17mph
WNW
Mostly Sunny
Humidity
30%
Feels like
41°F
Dew Point
18°F
2 PM
49°F
0%
17mph
WNW
Sunny
Humidity
28%
Feels like
43°F
Dew Point
17°F
3 PM
50°F
0%
15mph
WNW
Mostly Sunny
Humidity
26%
Feels like
50°F
Dew Point
17°F
4 PM
52°F
0%
13mph
WNW
Mostly Sunny
Humidity
25%
Feels like
52°F
Dew Point
17°F
5 PM
52°F
0%
11mph
NW
Mostly Sunny
Humidity
25%
Feels like
52°F
Dew Point
17°F
6 PM
50°F
0%
9mph
NW
Sunny
Humidity
27%
Feels like
50°F
Dew Point
18°F
7 PM
46°F
0%
7mph
NW
Mostly Sunny
Humidity
34%
Feels like
42°F
Dew Point
19°F
7:33 PM
8 PM
41°F
0%
6mph
SW
Mostly Clear
Humidity
45%
Feels like
36°F
Dew Point
21°F
9 PM
37°F
0%
6mph
S
Mostly Clear
Humidity
52%
Feels like
32°F
Dew Point
21°F
10 PM
36°F
0%
6mph
S
Mostly Clear
Humidity
52%
Feels like
31°F
Dew Point
20°F
11 PM
36°F
0%
6mph
S
Partly Cloudy
Humidity
49%
Feels like
31°F
Dew Point
19°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

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