Hourly Weather Forecast - Lake Saint Louis, MO

12 AM
58°F
50%
8mph
NNE
50% Chance Rain Showers
Humidity
64%
Feels like
58°F
Dew Point
46°F
1 AM
55°F
50%
7mph
NNE
50% Chance Rain Showers
Humidity
61%
Feels like
55°F
Dew Point
42°F
2 AM
54°F
40%
7mph
NNE
40% Chance Rain Showers
Humidity
58%
Feels like
54°F
Dew Point
40°F
3 AM
53°F
40%
7mph
NNE
40% Chance Rain Showers
Humidity
55%
Feels like
53°F
Dew Point
37°F
4 AM
51°F
40%
7mph
NNE
40% Chance Rain Showers
Humidity
54%
Feels like
51°F
Dew Point
35°F
5 AM
49°F
40%
8mph
NNE
40% Chance Rain Showers
Humidity
56%
Feels like
45°F
Dew Point
34°F
6 AM
46°F
40%
8mph
NNE
40% Chance of Light Rain
Humidity
59%
Feels like
42°F
Dew Point
33°F
6:56 AM
7 AM
45°F
40%
8mph
NE
40% Chance of Light Rain
Humidity
60%
Feels like
40°F
Dew Point
32°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