Hourly Weather Forecast - Saint Charles, MO

12 AM
28°F
0%
1mph
SE
Mostly Clear
Humidity
76%
Feels like
28°F
Dew Point
21°F
1 AM
28°F
0%
1mph
SE
Mostly Clear
Humidity
78%
Feels like
28°F
Dew Point
22°F
2 AM
28°F
0%
1mph
SE
Partly Cloudy
Humidity
79%
Feels like
28°F
Dew Point
22°F
3 AM
27°F
0%
1mph
SE
Partly Cloudy
Humidity
81%
Feels like
27°F
Dew Point
22°F
4 AM
28°F
0%
1mph
SE
Partly Cloudy
Humidity
80%
Feels like
28°F
Dew Point
22°F
5 AM
28°F
0%
1mph
SE
Mostly Cloudy
Humidity
82%
Feels like
28°F
Dew Point
23°F
6 AM
28°F
0%
2mph
SSE
Mostly Cloudy
Humidity
82%
Feels like
28°F
Dew Point
24°F
7 AM
30°F
0%
2mph
SSE
Mostly Cloudy
Humidity
80%
Feels like
30°F
Dew Point
24°F
7:20 AM
8 AM
32°F
0%
2mph
SSE
Mostly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
26°F
9 AM
35°F
0%
3mph
SSE
Partly Cloudy
Humidity
71%
Feels like
35°F
Dew Point
27°F
10 AM
39°F
0%
3mph
SSE
Partly Cloudy
Humidity
66%
Feels like
36°F
Dew Point
28°F
11 AM
42°F
0%
4mph
SSE
Mostly Sunny
Humidity
63%
Feels like
39°F
Dew Point
30°F
12 PM
44°F
0%
4mph
SSE
Sunny
Humidity
61%
Feels like
42°F
Dew Point
32°F
1 PM
46°F
0%
4mph
SSE
Sunny
Humidity
61%
Feels like
44°F
Dew Point
33°F
2 PM
47°F
0%
4mph
SSE
Sunny
Humidity
62%
Feels like
45°F
Dew Point
34°F
3 PM
46°F
0%
4mph
SSE
Sunny
Humidity
64%
Feels like
45°F
Dew Point
35°F
4 PM
45°F
0%
4mph
SSE
Mostly Sunny
Humidity
68%
Feels like
44°F
Dew Point
35°F
4:53 PM
5 PM
43°F
0%
3mph
SSE
Partly Cloudy
Humidity
72%
Feels like
42°F
Dew Point
35°F
6 PM
43°F
0%
3mph
S
Partly Cloudy
Humidity
73%
Feels like
41°F
Dew Point
35°F
7 PM
43°F
0%
2mph
S
Partly Cloudy
Humidity
74%
Feels like
43°F
Dew Point
35°F
8 PM
43°F
0%
2mph
S
Mostly Cloudy
Humidity
73%
Feels like
43°F
Dew Point
35°F
9 PM
42°F
0%
3mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
42°F
Dew Point
35°F
10 PM
41°F
0%
3mph
SW
Mostly Cloudy
Humidity
79%
Feels like
40°F
Dew Point
35°F
11 PM
40°F
0%
4mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
38°F
Dew Point
35°F

Tuesday's Weather Outlook

Today's Weather Outlook

Old Man Winter delivers plenty of cold and snow to the eastern third of the U.S. today.

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

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide