Hourly Weather Forecast - Lake Saint Louis, MO

12 PM
73°F
0%
1mph
SE
Sunny
Humidity
53%
Feels like
73°F
Dew Point
55°F
1 PM
77°F
0%
1mph
SSE
Sunny
Humidity
49%
Feels like
77°F
Dew Point
56°F
2 PM
80°F
0%
1mph
S
Sunny
Humidity
46%
Feels like
80°F
Dew Point
57°F
3 PM
81°F
0%
1mph
S
Sunny
Humidity
43%
Feels like
81°F
Dew Point
57°F
4 PM
82°F
0%
1mph
SSW
Sunny
Humidity
41%
Feels like
82°F
Dew Point
56°F
5 PM
82°F
0%
1mph
SSW
Sunny
Humidity
41%
Feels like
82°F
Dew Point
56°F
6 PM
81°F
0%
1mph
S
Sunny
Humidity
43%
Feels like
81°F
Dew Point
56°F
7 PM
79°F
0%
2mph
S
Sunny
Humidity
46%
Feels like
79°F
Dew Point
56°F
7:15 PM
8 PM
76°F
0%
2mph
S
Clear
Humidity
49%
Feels like
76°F
Dew Point
56°F
9 PM
75°F
0%
3mph
S
Clear
Humidity
52%
Feels like
75°F
Dew Point
56°F
10 PM
73°F
0%
3mph
S
Clear
Humidity
55%
Feels like
73°F
Dew Point
56°F
11 PM
72°F
0%
4mph
S
Clear
Humidity
57%
Feels like
72°F
Dew Point
56°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?

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide