Hourly Weather Forecast - Lake Saint Louis, MO

12 AM
50°F
0%
8mph
N
Partly Cloudy
Humidity
64%
Feels like
46°F
Dew Point
38°F
1 AM
47°F
0%
8mph
N
Partly Cloudy
Humidity
65%
Feels like
44°F
Dew Point
36°F
2 AM
46°F
0%
7mph
N
Mostly Cloudy
Humidity
65%
Feels like
42°F
Dew Point
35°F
3 AM
44°F
0%
7mph
N
Mostly Cloudy
Humidity
66%
Feels like
40°F
Dew Point
33°F
4 AM
42°F
0%
6mph
N
Mostly Cloudy
Humidity
66%
Feels like
38°F
Dew Point
32°F
5 AM
41°F
0%
6mph
N
Mostly Cloudy
Humidity
68%
Feels like
37°F
Dew Point
31°F
6 AM
40°F
0%
5mph
NNE
Partly Cloudy
Humidity
70%
Feels like
36°F
Dew Point
30°F
7 AM
40°F
0%
5mph
NNE
Partly Cloudy
Humidity
69%
Feels like
36°F
Dew Point
30°F
7:02 AM
8 AM
41°F
0%
5mph
NNE
Partly Cloudy
Humidity
65%
Feels like
38°F
Dew Point
31°F
9 AM
44°F
0%
5mph
NNE
Mostly Sunny
Humidity
60%
Feels like
41°F
Dew Point
31°F
10 AM
46°F
0%
5mph
NNE
Mostly Sunny
Humidity
54%
Feels like
44°F
Dew Point
31°F
11 AM
49°F
0%
5mph
NNE
Mostly Sunny
Humidity
49%
Feels like
47°F
Dew Point
31°F
12 PM
51°F
0%
4mph
NNE
Partly Cloudy
Humidity
46%
Feels like
51°F
Dew Point
31°F
1 PM
53°F
0%
4mph
NE
Partly Cloudy
Humidity
43%
Feels like
53°F
Dew Point
31°F
2 PM
55°F
0%
4mph
NE
Partly Cloudy
Humidity
41%
Feels like
55°F
Dew Point
31°F
3 PM
55°F
0%
4mph
NE
Mostly Sunny
Humidity
39%
Feels like
55°F
Dew Point
31°F
4 PM
55°F
0%
4mph
NE
Sunny
Humidity
37%
Feels like
55°F
Dew Point
29°F
5 PM
55°F
0%
3mph
NE
Sunny
Humidity
36%
Feels like
55°F
Dew Point
28°F
6 PM
53°F
0%
2mph
NE
Mostly Sunny
Humidity
38%
Feels like
53°F
Dew Point
28°F
7 PM
52°F
0%
2mph
ENE
Partly Cloudy
Humidity
42%
Feels like
52°F
Dew Point
30°F
7:17 PM
8 PM
50°F
0%
2mph
ENE
Partly Cloudy
Humidity
45%
Feels like
50°F
Dew Point
29°F
9 PM
49°F
0%
2mph
ENE
Partly Cloudy
Humidity
48%
Feels like
49°F
Dew Point
30°F
10 PM
48°F
0%
2mph
ENE
Partly Cloudy
Humidity
49%
Feels like
48°F
Dew Point
30°F
11 PM
48°F
0%
3mph
E
Mostly Clear
Humidity
50%
Feels like
48°F
Dew Point
30°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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