Hourly Weather Forecast - Lake Saint Louis, MO

12 AM
63°F
30%
3mph
S
30% Chance Rain Showers
Humidity
76%
Feels like
63°F
Dew Point
56°F
1 AM
62°F
20%
3mph
SSW
Clear
Humidity
78%
Feels like
62°F
Dew Point
55°F
2 AM
61°F
20%
3mph
SSW
Clear
Humidity
81%
Feels like
61°F
Dew Point
55°F
3 AM
60°F
20%
4mph
SW
Clear
Humidity
85%
Feels like
60°F
Dew Point
55°F
4 AM
59°F
10%
4mph
SW
Clear
Humidity
87%
Feels like
59°F
Dew Point
55°F
5 AM
58°F
10%
4mph
SW
Mostly Clear
Humidity
90%
Feels like
58°F
Dew Point
55°F
6 AM
58°F
10%
3mph
SW
Partly Cloudy
Humidity
91%
Feels like
58°F
Dew Point
55°F
6:57 AM
7 AM
59°F
10%
3mph
SW
Partly Cloudy
Humidity
87%
Feels like
59°F
Dew Point
55°F
8 AM
62°F
10%
3mph
SW
Partly Cloudy
Humidity
82%
Feels like
62°F
Dew Point
56°F
9 AM
67°F
10%
4mph
SW
Partly Cloudy
Humidity
74%
Feels like
67°F
Dew Point
58°F
10 AM
72°F
10%
4mph
SW
Partly Cloudy
Humidity
65%
Feels like
72°F
Dew Point
60°F
11 AM
76°F
10%
5mph
SW
Partly Cloudy
Humidity
56%
Feels like
76°F
Dew Point
59°F
12 PM
80°F
10%
6mph
SW
Partly Cloudy
Humidity
48%
Feels like
81°F
Dew Point
59°F
1 PM
83°F
10%
6mph
WSW
Mostly Cloudy
Humidity
44%
Feels like
83°F
Dew Point
59°F
2 PM
85°F
10%
7mph
WSW
Mostly Cloudy
Humidity
42%
Feels like
85°F
Dew Point
60°F
3 PM
86°F
10%
7mph
WSW
Mostly Cloudy
Humidity
42%
Feels like
86°F
Dew Point
60°F
4 PM
86°F
10%
7mph
W
Mostly Cloudy
Humidity
42%
Feels like
86°F
Dew Point
60°F
5 PM
84°F
20%
6mph
WNW
Mostly Cloudy
Humidity
44%
Feels like
84°F
Dew Point
60°F
6 PM
82°F
20%
6mph
NNW
Mostly Cloudy
Humidity
48%
Feels like
82°F
Dew Point
60°F
7 PM
78°F
30%
5mph
N
30% Chance Rain Showers
Humidity
53%
Feels like
78°F
Dew Point
59°F
7:20 PM
8 PM
74°F
40%
4mph
N
40% Chance Rain Showers
Humidity
57%
Feels like
74°F
Dew Point
58°F
9 PM
70°F
40%
4mph
N
40% Chance Rain Showers
Humidity
63%
Feels like
70°F
Dew Point
56°F
10 PM
66°F
50%
5mph
N
50% Chance Rain Showers
Humidity
67%
Feels like
66°F
Dew Point
55°F
11 PM
61°F
50%
6mph
N
50% Chance Rain Showers
Humidity
67%
Feels like
61°F
Dew Point
50°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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