Hourly Weather Forecast - Lake Saint Louis, MO

12 AM
41°F
0%
4mph
SW
Partly Cloudy
Humidity
89%
Feels like
39°F
Dew Point
38°F
1 AM
41°F
0%
3mph
WSW
Partly Cloudy
Humidity
89%
Feels like
39°F
Dew Point
38°F
2 AM
41°F
0%
3mph
WSW
Mostly Cloudy
Humidity
89%
Feels like
41°F
Dew Point
38°F
3 AM
40°F
0%
2mph
WSW
Cloudy
Humidity
89%
Feels like
40°F
Dew Point
37°F
4 AM
40°F
0%
2mph
WSW
Mostly Cloudy
Humidity
89%
Feels like
40°F
Dew Point
37°F
5 AM
38°F
0%
2mph
W
Partly Cloudy
Humidity
91%
Feels like
38°F
Dew Point
36°F
6 AM
37°F
0%
1mph
W
Hazy
Humidity
94%
Feels like
37°F
Dew Point
36°F
7 AM
37°F
0%
1mph
W
Hazy
Humidity
94%
Feels like
37°F
Dew Point
35°F
7:15 AM
8 AM
38°F
0%
0mph
W
Partly Cloudy
Humidity
93%
Feels like
38°F
Dew Point
36°F
9 AM
39°F
0%
0mph
WSW
Partly Cloudy
Humidity
90%
Feels like
39°F
Dew Point
36°F
10 AM
41°F
0%
0mph
SW
Mostly Sunny
Humidity
85%
Feels like
41°F
Dew Point
37°F
11 AM
43°F
0%
0mph
S
Mostly Sunny
Humidity
80%
Feels like
43°F
Dew Point
38°F
12 PM
46°F
0%
0mph
SSE
Mostly Sunny
Humidity
75%
Feels like
46°F
Dew Point
38°F
1 PM
47°F
0%
1mph
SSE
Mostly Sunny
Humidity
73%
Feels like
47°F
Dew Point
39°F
2 PM
48°F
0%
1mph
SSE
Mostly Sunny
Humidity
72%
Feels like
48°F
Dew Point
40°F
3 PM
49°F
0%
2mph
SSE
Mostly Sunny
Humidity
73%
Feels like
49°F
Dew Point
40°F
4 PM
48°F
0%
2mph
SSE
Mostly Sunny
Humidity
75%
Feels like
48°F
Dew Point
40°F
4:43 PM
5 PM
47°F
0%
2mph
SSE
Mostly Clear
Humidity
78%
Feels like
47°F
Dew Point
40°F
6 PM
46°F
0%
3mph
SSE
Mostly Clear
Humidity
82%
Feels like
46°F
Dew Point
41°F
7 PM
45°F
0%
4mph
SSE
Mostly Clear
Humidity
86%
Feels like
44°F
Dew Point
41°F
8 PM
45°F
0%
4mph
SSE
Partly Cloudy
Humidity
88%
Feels like
42°F
Dew Point
42°F
9 PM
45°F
0%
5mph
S
Mostly Cloudy
Humidity
90%
Feels like
42°F
Dew Point
42°F
10 PM
46°F
0%
6mph
S
Mostly Cloudy
Humidity
91%
Feels like
43°F
Dew Point
43°F
11 PM
47°F
0%
6mph
S
Mostly Cloudy
Humidity
92%
Feels like
44°F
Dew Point
45°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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