Hourly Weather Forecast - Saint Peters, MO

9 PM
44°F
0%
4mph
SSW
Mostly Cloudy
Humidity
60%
Feels like
42°F
Dew Point
31°F
10 PM
44°F
0%
4mph
SW
Mostly Cloudy
Humidity
63%
Feels like
42°F
Dew Point
32°F
11 PM
43°F
0%
4mph
SW
Mostly Cloudy
Humidity
65%
Feels like
41°F
Dew Point
33°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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