Hourly Weather Forecast - Lake Saint Louis, MO

12 AM
20°F
0%
7mph
NW
Clear
Humidity
59%
Feels like
12°F
Dew Point
8°F
1 AM
20°F
0%
6mph
NW
Clear
Humidity
61%
Feels like
11°F
Dew Point
8°F
2 AM
19°F
0%
6mph
NW
Clear
Humidity
62%
Feels like
11°F
Dew Point
8°F
3 AM
19°F
0%
5mph
NW
Clear
Humidity
64%
Feels like
11°F
Dew Point
8°F
4 AM
18°F
0%
5mph
NW
Clear
Humidity
65%
Feels like
11°F
Dew Point
8°F
5 AM
18°F
0%
4mph
WNW
Clear
Humidity
67%
Feels like
11°F
Dew Point
8°F
6 AM
18°F
0%
4mph
WNW
Clear
Humidity
69%
Feels like
11°F
Dew Point
9°F
7 AM
19°F
0%
4mph
WNW
Clear
Humidity
67%
Feels like
13°F
Dew Point
10°F
7:21 AM
8 AM
21°F
0%
4mph
WNW
Sunny
Humidity
64%
Feels like
15°F
Dew Point
11°F
9 AM
24°F
0%
4mph
WNW
Sunny
Humidity
58%
Feels like
19°F
Dew Point
11°F
10 AM
27°F
0%
4mph
WNW
Partly Cloudy
Humidity
51%
Feels like
22°F
Dew Point
11°F
11 AM
29°F
0%
4mph
WNW
Mostly Cloudy
Humidity
45%
Feels like
25°F
Dew Point
11°F
12 PM
32°F
0%
4mph
W
Cloudy
Humidity
41%
Feels like
28°F
Dew Point
11°F
1 PM
34°F
0%
4mph
W
Cloudy
Humidity
39%
Feels like
30°F
Dew Point
12°F
2 PM
35°F
0%
4mph
W
Cloudy
Humidity
39%
Feels like
31°F
Dew Point
13°F
3 PM
35°F
0%
4mph
W
Mostly Cloudy
Humidity
41%
Feels like
31°F
Dew Point
14°F
4 PM
34°F
0%
4mph
WSW
Partly Cloudy
Humidity
44%
Feels like
30°F
Dew Point
14°F
4:50 PM
5 PM
32°F
0%
4mph
WSW
Partly Cloudy
Humidity
47%
Feels like
29°F
Dew Point
14°F
6 PM
32°F
0%
3mph
WSW
Partly Cloudy
Humidity
49%
Feels like
28°F
Dew Point
15°F
7 PM
31°F
0%
4mph
SW
Partly Cloudy
Humidity
52%
Feels like
27°F
Dew Point
16°F
8 PM
31°F
0%
4mph
WSW
Mostly Clear
Humidity
54%
Feels like
27°F
Dew Point
17°F
9 PM
31°F
0%
5mph
WSW
Clear
Humidity
56%
Feels like
26°F
Dew Point
17°F
10 PM
31°F
0%
5mph
WSW
Mostly Clear
Humidity
57%
Feels like
26°F
Dew Point
17°F
11 PM
31°F
0%
5mph
WSW
Partly Cloudy
Humidity
59%
Feels like
25°F
Dew Point
18°F

Snow Forecast Through Monday

Powerful Winter Storm Taking Shape Across the Upper Midwest

A major winter storm is taking aim at the Upper Midwest and Great Lakes.

Sunday's Weather Outlook

Sunday's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide