Hourly Weather Forecast - Lewistown, MT

3 PM
39°F
0%
18mph
W
Mostly Cloudy
Humidity
42%
Feels like
30°F
Dew Point
18°F
4 PM
38°F
0%
16mph
WSW
Mostly Cloudy
Humidity
47%
Feels like
29°F
Dew Point
19°F
4:44 PM
5 PM
37°F
0%
15mph
WSW
Mostly Cloudy
Humidity
51%
Feels like
27°F
Dew Point
20°F
6 PM
36°F
0%
15mph
WSW
Cloudy
Humidity
54%
Feels like
27°F
Dew Point
21°F
7 PM
35°F
0%
15mph
WSW
Cloudy
Humidity
56%
Feels like
25°F
Dew Point
21°F
8 PM
35°F
0%
15mph
WSW
Cloudy
Humidity
59%
Feels like
25°F
Dew Point
22°F
9 PM
34°F
0%
16mph
SW
Cloudy
Humidity
61%
Feels like
24°F
Dew Point
22°F
10 PM
34°F
0%
17mph
SW
Cloudy
Humidity
61%
Feels like
24°F
Dew Point
22°F
11 PM
35°F
0%
17mph
SW
Mostly Cloudy
Humidity
60%
Feels like
24°F
Dew Point
22°F

Snow and Ice Forecast through Wednesday

Quick Hitting Snow and Ice Across the Great Lakes, New England

A swath of snow and ice will spread across the Great Lakes into New England.

Wednesday's Weather Outlook

Wednesday's Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide