Hourly Weather Forecast - Saint Charles, MO

12 AM
48°F
10%
2mph
SE
Mostly Clear
Humidity
63%
Feels like
48°F
Dew Point
36°F
1 AM
46°F
10%
2mph
ESE
Partly Cloudy
Humidity
66%
Feels like
46°F
Dew Point
36°F
2 AM
45°F
10%
2mph
ESE
Partly Cloudy
Humidity
68%
Feels like
45°F
Dew Point
35°F
3 AM
43°F
10%
2mph
E
Partly Cloudy
Humidity
71%
Feels like
43°F
Dew Point
35°F
4 AM
42°F
10%
2mph
E
Partly Cloudy
Humidity
75%
Feels like
42°F
Dew Point
34°F
5 AM
40°F
10%
2mph
E
Partly Cloudy
Humidity
78%
Feels like
40°F
Dew Point
34°F
6 AM
40°F
10%
2mph
E
Partly Cloudy
Humidity
79%
Feels like
40°F
Dew Point
34°F
6:58 AM
7 AM
41°F
10%
2mph
E
Partly Cloudy
Humidity
74%
Feels like
41°F
Dew Point
34°F
8 AM
45°F
20%
2mph
ESE
Partly Cloudy
Humidity
66%
Feels like
45°F
Dew Point
35°F
9 AM
49°F
20%
3mph
ESE
Partly Cloudy
Humidity
56%
Feels like
49°F
Dew Point
35°F
10 AM
54°F
20%
4mph
ESE
Partly Cloudy
Humidity
49%
Feels like
54°F
Dew Point
35°F
11 AM
57°F
10%
4mph
SE
Partly Cloudy
Humidity
44%
Feels like
57°F
Dew Point
35°F
12 PM
60°F
10%
4mph
SE
Partly Cloudy
Humidity
40%
Feels like
60°F
Dew Point
35°F
1 PM
62°F
0%
4mph
SE
Mostly Sunny
Humidity
38%
Feels like
62°F
Dew Point
36°F
2 PM
64°F
0%
4mph
SE
Mostly Sunny
Humidity
36%
Feels like
64°F
Dew Point
37°F
3 PM
65°F
0%
5mph
SSE
Sunny
Humidity
34%
Feels like
65°F
Dew Point
37°F
4 PM
66°F
0%
5mph
SSE
Sunny
Humidity
34%
Feels like
66°F
Dew Point
37°F
5 PM
65°F
0%
5mph
SSE
Sunny
Humidity
35%
Feels like
65°F
Dew Point
37°F
6 PM
64°F
0%
5mph
SSE
Sunny
Humidity
38%
Feels like
64°F
Dew Point
38°F
7 PM
64°F
0%
5mph
SSE
Sunny
Humidity
40%
Feels like
64°F
Dew Point
39°F
7:18 PM
8 PM
63°F
0%
6mph
SSE
Clear
Humidity
45%
Feels like
63°F
Dew Point
42°F
9 PM
63°F
0%
6mph
SSE
Clear
Humidity
49%
Feels like
63°F
Dew Point
44°F
10 PM
62°F
0%
6mph
SSE
Clear
Humidity
53%
Feels like
62°F
Dew Point
45°F
11 PM
61°F
0%
6mph
S
Clear
Humidity
55%
Feels like
61°F
Dew Point
45°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend 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

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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