Hourly Weather Forecast - Lake Saint Louis, MO

12 AM
47°F
0%
3mph
E
Mostly Clear
Humidity
50%
Feels like
46°F
Dew Point
29°F
1 AM
46°F
0%
4mph
E
Partly Cloudy
Humidity
51%
Feels like
45°F
Dew Point
29°F
2 AM
45°F
0%
3mph
ESE
Partly Cloudy
Humidity
53%
Feels like
44°F
Dew Point
29°F
3 AM
44°F
0%
2mph
ESE
Partly Cloudy
Humidity
55%
Feels like
44°F
Dew Point
29°F
4 AM
43°F
0%
2mph
ESE
Mostly Clear
Humidity
58%
Feels like
43°F
Dew Point
29°F
5 AM
42°F
0%
2mph
ESE
Partly Cloudy
Humidity
62%
Feels like
42°F
Dew Point
29°F
6 AM
41°F
0%
2mph
SE
Partly Cloudy
Humidity
64%
Feels like
41°F
Dew Point
30°F
7 AM
42°F
0%
2mph
SE
Partly Cloudy
Humidity
64%
Feels like
42°F
Dew Point
30°F
7:00 AM
8 AM
44°F
0%
2mph
SE
Partly Cloudy
Humidity
61%
Feels like
44°F
Dew Point
32°F
9 AM
48°F
0%
3mph
SE
Mostly Sunny
Humidity
55%
Feels like
48°F
Dew Point
33°F
10 AM
53°F
0%
3mph
SE
Sunny
Humidity
48%
Feels like
53°F
Dew Point
34°F
11 AM
57°F
0%
3mph
SSE
Mostly Sunny
Humidity
43%
Feels like
57°F
Dew Point
34°F
12 PM
60°F
0%
3mph
SSE
Partly Cloudy
Humidity
38%
Feels like
60°F
Dew Point
35°F
1 PM
63°F
0%
3mph
SSE
Partly Cloudy
Humidity
36%
Feels like
63°F
Dew Point
35°F
2 PM
65°F
0%
3mph
SSE
Mostly Cloudy
Humidity
34%
Feels like
65°F
Dew Point
36°F
3 PM
66°F
0%
2mph
SSE
Mostly Cloudy
Humidity
32%
Feels like
66°F
Dew Point
35°F
4 PM
66°F
0%
2mph
SSE
Mostly Cloudy
Humidity
32%
Feels like
66°F
Dew Point
35°F
5 PM
65°F
0%
2mph
SE
Mostly Cloudy
Humidity
32%
Feels like
65°F
Dew Point
35°F
6 PM
64°F
0%
3mph
SE
Mostly Cloudy
Humidity
36%
Feels like
64°F
Dew Point
36°F
7 PM
61°F
0%
3mph
ESE
Mostly Cloudy
Humidity
40%
Feels like
61°F
Dew Point
37°F
7:18 PM
8 PM
59°F
0%
3mph
ESE
Partly Cloudy
Humidity
45%
Feels like
59°F
Dew Point
37°F
9 PM
57°F
0%
3mph
SE
Partly Cloudy
Humidity
50%
Feels like
57°F
Dew Point
38°F
10 PM
55°F
0%
3mph
SE
Partly Cloudy
Humidity
52%
Feels like
55°F
Dew Point
38°F
11 PM
54°F
0%
2mph
SE
Partly Cloudy
Humidity
54%
Feels like
54°F
Dew Point
38°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

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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