Hourly Weather Forecast - Saint Charles, MO

12 AM
44°F
0%
3mph
ESE
Mostly Cloudy
Humidity
58%
Feels like
44°F
Dew Point
30°F
1 AM
43°F
0%
3mph
ESE
Cloudy
Humidity
60%
Feels like
43°F
Dew Point
30°F
2 AM
42°F
0%
3mph
ESE
Cloudy
Humidity
61%
Feels like
42°F
Dew Point
30°F
3 AM
42°F
0%
3mph
ESE
Mostly Cloudy
Humidity
62%
Feels like
40°F
Dew Point
30°F
4 AM
41°F
0%
3mph
SE
Partly Cloudy
Humidity
65%
Feels like
39°F
Dew Point
30°F
5 AM
40°F
0%
3mph
SE
Partly Cloudy
Humidity
67%
Feels like
38°F
Dew Point
30°F
6 AM
39°F
0%
3mph
SE
Partly Cloudy
Humidity
69%
Feels like
37°F
Dew Point
30°F
6:59 AM
7 AM
40°F
0%
4mph
SE
Partly Cloudy
Humidity
70%
Feels like
37°F
Dew Point
31°F
8 AM
42°F
0%
4mph
SE
Mostly Cloudy
Humidity
67%
Feels like
40°F
Dew Point
31°F
9 AM
46°F
0%
4mph
SSE
Mostly Cloudy
Humidity
58%
Feels like
44°F
Dew Point
32°F
10 AM
50°F
0%
4mph
SSE
Cloudy
Humidity
50%
Feels like
48°F
Dew Point
32°F
11 AM
53°F
0%
4mph
SSE
Cloudy
Humidity
44%
Feels like
53°F
Dew Point
32°F
12 PM
56°F
0%
4mph
SSE
Cloudy
Humidity
40%
Feels like
56°F
Dew Point
32°F
1 PM
59°F
10%
3mph
S
Mostly Cloudy
Humidity
36%
Feels like
59°F
Dew Point
32°F
2 PM
61°F
10%
3mph
S
Mostly Cloudy
Humidity
33%
Feels like
61°F
Dew Point
32°F
3 PM
62°F
10%
2mph
S
Mostly Cloudy
Humidity
32%
Feels like
62°F
Dew Point
32°F
4 PM
62°F
10%
2mph
S
Mostly Cloudy
Humidity
31%
Feels like
62°F
Dew Point
31°F
5 PM
61°F
10%
2mph
S
Mostly Cloudy
Humidity
34%
Feels like
61°F
Dew Point
32°F
6 PM
59°F
10%
1mph
SSE
Partly Cloudy
Humidity
37%
Feels like
59°F
Dew Point
33°F
7 PM
56°F
10%
1mph
SE
Partly Cloudy
Humidity
43%
Feels like
56°F
Dew Point
34°F
7:17 PM
8 PM
54°F
10%
1mph
SE
Partly Cloudy
Humidity
48%
Feels like
54°F
Dew Point
35°F
9 PM
52°F
10%
1mph
SSE
Partly Cloudy
Humidity
52%
Feels like
52°F
Dew Point
35°F
10 PM
51°F
10%
1mph
SSE
Mostly Clear
Humidity
56%
Feels like
51°F
Dew Point
36°F
11 PM
50°F
10%
1mph
SE
Clear
Humidity
60%
Feels like
50°F
Dew Point
36°F

Today's High Temperature Outlook

Dangerous 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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