Hourly Weather Forecast - Lake Saint Louis, MO

12 AM
13°F
0%
2mph
S
Clear
Humidity
60%
Feels like
13°F
Dew Point
2°F
1 AM
13°F
0%
3mph
S
Clear
Humidity
58%
Feels like
13°F
Dew Point
1°F
2 AM
14°F
0%
3mph
S
Clear
Humidity
56%
Feels like
14°F
Dew Point
1°F
3 AM
14°F
0%
3mph
S
Clear
Humidity
54%
Feels like
9°F
Dew Point
1°F
4 AM
15°F
0%
4mph
S
Clear
Humidity
52%
Feels like
9°F
Dew Point
0°F
5 AM
16°F
0%
4mph
S
Clear
Humidity
48%
Feels like
10°F
Dew Point
0°F
6 AM
17°F
0%
4mph
S
Clear
Humidity
45%
Feels like
11°F
Dew Point
0°F
7 AM
19°F
0%
5mph
SSW
Clear
Humidity
42%
Feels like
12°F
Dew Point
0°F
7:14 AM
8 AM
21°F
0%
5mph
SSW
Sunny
Humidity
39%
Feels like
14°F
Dew Point
0°F
9 AM
24°F
0%
6mph
SSW
Sunny
Humidity
37%
Feels like
17°F
Dew Point
2°F
10 AM
28°F
0%
6mph
SSW
Sunny
Humidity
34%
Feels like
21°F
Dew Point
3°F
11 AM
32°F
0%
7mph
SW
Sunny
Humidity
31%
Feels like
25°F
Dew Point
4°F
12 PM
35°F
0%
7mph
SW
Sunny
Humidity
29%
Feels like
29°F
Dew Point
6°F
1 PM
38°F
0%
6mph
SW
Sunny
Humidity
28%
Feels like
33°F
Dew Point
8°F
2 PM
40°F
0%
6mph
SW
Sunny
Humidity
29%
Feels like
36°F
Dew Point
10°F
3 PM
40°F
0%
5mph
SW
Sunny
Humidity
31%
Feels like
37°F
Dew Point
12°F
4 PM
39°F
0%
4mph
SW
Sunny
Humidity
34%
Feels like
36°F
Dew Point
13°F
4:42 PM
5 PM
37°F
0%
2mph
SW
Clear
Humidity
39%
Feels like
37°F
Dew Point
14°F
6 PM
35°F
0%
2mph
SW
Clear
Humidity
44%
Feels like
35°F
Dew Point
15°F
7 PM
33°F
0%
2mph
SW
Clear
Humidity
48%
Feels like
33°F
Dew Point
15°F
8 PM
32°F
0%
2mph
SW
Clear
Humidity
51%
Feels like
32°F
Dew Point
16°F
9 PM
31°F
0%
2mph
SW
Clear
Humidity
54%
Feels like
31°F
Dew Point
17°F
10 PM
30°F
0%
2mph
SW
Clear
Humidity
57%
Feels like
30°F
Dew Point
17°F
11 PM
30°F
0%
2mph
SW
Clear
Humidity
60%
Feels like
30°F
Dew Point
18°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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