Hourly Weather Forecast - Lake Saint Louis, MO

12 AM
46°F
10%
4mph
SSW
Clear
Humidity
77%
Feels like
44°F
Dew Point
39°F
1 AM
46°F
10%
4mph
SSW
Clear
Humidity
82%
Feels like
44°F
Dew Point
41°F
2 AM
46°F
10%
4mph
SSW
Clear
Humidity
87%
Feels like
44°F
Dew Point
42°F
3 AM
46°F
10%
3mph
SSW
Hazy
Humidity
92%
Feels like
45°F
Dew Point
44°F
4 AM
46°F
10%
3mph
SSW
Hazy
Humidity
95%
Feels like
45°F
Dew Point
44°F
5 AM
46°F
10%
3mph
SSW
Hazy
Humidity
97%
Feels like
46°F
Dew Point
45°F
6 AM
47°F
10%
3mph
SSW
Hazy
Humidity
98%
Feels like
46°F
Dew Point
46°F
7 AM
48°F
10%
3mph
SSW
Partly Cloudy
Humidity
97%
Feels like
47°F
Dew Point
47°F
7:18 AM
8 AM
50°F
10%
4mph
SSW
Partly Cloudy
Humidity
96%
Feels like
49°F
Dew Point
49°F
9 AM
52°F
10%
3mph
SW
Partly Cloudy
Humidity
93%
Feels like
52°F
Dew Point
50°F
10 AM
54°F
10%
4mph
SW
Partly Cloudy
Humidity
91%
Feels like
54°F
Dew Point
51°F
11 AM
56°F
10%
4mph
SW
Partly Cloudy
Humidity
89%
Feels like
56°F
Dew Point
53°F
12 PM
58°F
10%
3mph
SW
Mostly Sunny
Humidity
86%
Feels like
58°F
Dew Point
54°F
1 PM
60°F
10%
3mph
SW
Mostly Sunny
Humidity
82%
Feels like
60°F
Dew Point
54°F
2 PM
61°F
20%
3mph
SW
Mostly Sunny
Humidity
80%
Feels like
61°F
Dew Point
55°F
3 PM
60°F
10%
2mph
SW
Mostly Sunny
Humidity
79%
Feels like
60°F
Dew Point
54°F
4 PM
59°F
10%
2mph
SW
Mostly Sunny
Humidity
81%
Feels like
59°F
Dew Point
53°F
4:45 PM
5 PM
57°F
10%
1mph
SSW
Mostly Clear
Humidity
85%
Feels like
57°F
Dew Point
52°F
6 PM
55°F
10%
1mph
S
Hazy
Humidity
92%
Feels like
55°F
Dew Point
53°F
7 PM
54°F
10%
1mph
S
Hazy
Humidity
92%
Feels like
54°F
Dew Point
52°F
8 PM
54°F
10%
2mph
SSE
Hazy
Humidity
92%
Feels like
54°F
Dew Point
52°F
9 PM
54°F
30%
2mph
SSE
30% Chance Rain Showers
Humidity
92%
Feels like
54°F
Dew Point
51°F
10 PM
53°F
30%
2mph
SSE
30% Chance Rain Showers
Humidity
92%
Feels like
53°F
Dew Point
51°F
11 PM
53°F
30%
2mph
SSE
30% Chance Rain Showers
Humidity
93%
Feels like
53°F
Dew Point
51°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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