Hourly Weather Forecast - Saint Charles, MO

12 AM
14°F
0%
2mph
WSW
Mostly Clear
Humidity
43%
Feels like
14°F
Dew Point
-4°F
1 AM
14°F
0%
2mph
WSW
Mostly Clear
Humidity
44%
Feels like
14°F
Dew Point
-4°F
2 AM
13°F
0%
2mph
SW
Clear
Humidity
46%
Feels like
13°F
Dew Point
-3°F
3 AM
13°F
0%
3mph
SW
Clear
Humidity
47%
Feels like
13°F
Dew Point
-3°F
4 AM
13°F
0%
2mph
SW
Clear
Humidity
48%
Feels like
13°F
Dew Point
-3°F
5 AM
14°F
0%
2mph
SSW
Clear
Humidity
49%
Feels like
14°F
Dew Point
-2°F
6 AM
14°F
0%
2mph
SSW
Clear
Humidity
51%
Feels like
14°F
Dew Point
0°F
7 AM
16°F
10%
2mph
SSW
Mostly Clear
Humidity
52%
Feels like
16°F
Dew Point
1°F
7:16 AM
8 AM
18°F
10%
3mph
S
Mostly Sunny
Humidity
51%
Feels like
18°F
Dew Point
3°F
9 AM
22°F
10%
3mph
S
Partly Cloudy
Humidity
47%
Feels like
17°F
Dew Point
5°F
10 AM
26°F
0%
4mph
SSW
Partly Cloudy
Humidity
43%
Feels like
21°F
Dew Point
6°F
11 AM
29°F
0%
4mph
SSW
Mostly Sunny
Humidity
39%
Feels like
24°F
Dew Point
8°F
12 PM
32°F
0%
5mph
SSW
Mostly Sunny
Humidity
36%
Feels like
28°F
Dew Point
9°F
1 PM
35°F
0%
5mph
SSW
Mostly Sunny
Humidity
35%
Feels like
31°F
Dew Point
10°F
2 PM
37°F
0%
5mph
SSW
Sunny
Humidity
33%
Feels like
33°F
Dew Point
11°F
3 PM
38°F
0%
6mph
SSW
Sunny
Humidity
34%
Feels like
34°F
Dew Point
12°F
4 PM
37°F
0%
6mph
S
Mostly Sunny
Humidity
36%
Feels like
32°F
Dew Point
13°F
5 PM
35°F
0%
6mph
S
Mostly Sunny
Humidity
40%
Feels like
30°F
Dew Point
13°F
5:09 PM
6 PM
33°F
0%
6mph
S
Mostly Clear
Humidity
44%
Feels like
27°F
Dew Point
13°F
7 PM
31°F
0%
8mph
S
Partly Cloudy
Humidity
48%
Feels like
24°F
Dew Point
13°F
8 PM
30°F
0%
8mph
S
Partly Cloudy
Humidity
49%
Feels like
23°F
Dew Point
14°F
9 PM
30°F
0%
9mph
S
Partly Cloudy
Humidity
49%
Feels like
22°F
Dew Point
14°F
10 PM
31°F
0%
9mph
S
Mostly Cloudy
Humidity
48%
Feels like
24°F
Dew Point
14°F
11 PM
32°F
0%
9mph
SSW
Mostly Cloudy
Humidity
47%
Feels like
25°F
Dew Point
14°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide