Hourly Weather Forecast - Lake Saint Louis, MO

4 AM
53°F
0%
0mph
ENE
Mostly Clear
Humidity
84%
Feels like
53°F
Dew Point
49°F
5 AM
53°F
0%
0mph
ENE
Mostly Clear
Humidity
87%
Feels like
53°F
Dew Point
49°F
6 AM
52°F
0%
1mph
ESE
Mostly Clear
Humidity
88%
Feels like
52°F
Dew Point
48°F
7 AM
53°F
0%
1mph
SE
Clear
Humidity
86%
Feels like
53°F
Dew Point
48°F
7:05 AM
8 AM
56°F
0%
1mph
ESE
Sunny
Humidity
81%
Feels like
56°F
Dew Point
50°F
9 AM
60°F
0%
1mph
SE
Sunny
Humidity
73%
Feels like
60°F
Dew Point
52°F
10 AM
66°F
0%
1mph
SE
Sunny
Humidity
64%
Feels like
66°F
Dew Point
53°F
11 AM
71°F
0%
1mph
SE
Sunny
Humidity
56%
Feels like
71°F
Dew Point
54°F
12 PM
75°F
0%
1mph
SE
Sunny
Humidity
50%
Feels like
75°F
Dew Point
55°F
1 PM
79°F
0%
1mph
SSE
Sunny
Humidity
46%
Feels like
79°F
Dew Point
56°F
2 PM
82°F
0%
1mph
S
Sunny
Humidity
42%
Feels like
82°F
Dew Point
57°F
3 PM
84°F
0%
1mph
SSW
Sunny
Humidity
39%
Feels like
83°F
Dew Point
56°F
4 PM
85°F
0%
1mph
SSW
Sunny
Humidity
37%
Feels like
83°F
Dew Point
55°F
5 PM
83°F
0%
1mph
SSW
Sunny
Humidity
38%
Feels like
82°F
Dew Point
55°F
6 PM
82°F
0%
1mph
SSW
Sunny
Humidity
41%
Feels like
81°F
Dew Point
56°F
7 PM
79°F
0%
2mph
S
Sunny
Humidity
45%
Feels like
79°F
Dew Point
56°F
7:15 PM
8 PM
76°F
0%
2mph
S
Clear
Humidity
48%
Feels like
76°F
Dew Point
55°F
9 PM
74°F
0%
3mph
S
Clear
Humidity
53%
Feels like
74°F
Dew Point
56°F
10 PM
73°F
0%
4mph
S
Clear
Humidity
55%
Feels like
73°F
Dew Point
56°F
11 PM
71°F
0%
4mph
S
Clear
Humidity
57%
Feels like
71°F
Dew Point
55°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