Hourly Weather Forecast - Marthasville, MO

9 AM
44°F
70%
21mph
WNW
70% Chance of Light Rain
Humidity
60%
Feels like
35°F
Dew Point
31°F
10 AM
42°F
0%
22mph
NW
Windy
Humidity
57%
Feels like
33°F
Dew Point
28°F
11 AM
41°F
0%
22mph
NW
Windy
Humidity
56%
Feels like
31°F
Dew Point
26°F
12 PM
40°F
0%
20mph
NW
Windy
Humidity
55%
Feels like
31°F
Dew Point
25°F
1 PM
40°F
0%
19mph
NW
Mostly Cloudy
Humidity
54%
Feels like
31°F
Dew Point
25°F
2 PM
40°F
0%
17mph
NW
Mostly Cloudy
Humidity
53%
Feels like
32°F
Dew Point
25°F
3 PM
40°F
0%
15mph
NW
Mostly Cloudy
Humidity
54%
Feels like
32°F
Dew Point
25°F
4 PM
38°F
0%
13mph
NW
Mostly Cloudy
Humidity
59%
Feels like
31°F
Dew Point
25°F
4:42 PM
5 PM
37°F
0%
11mph
NW
Mostly Cloudy
Humidity
64%
Feels like
29°F
Dew Point
26°F
6 PM
35°F
0%
10mph
NW
Mostly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
26°F
7 PM
34°F
0%
9mph
NW
Mostly Cloudy
Humidity
72%
Feels like
27°F
Dew Point
26°F
8 PM
33°F
0%
9mph
NW
Mostly Cloudy
Humidity
76%
Feels like
25°F
Dew Point
26°F
9 PM
32°F
0%
9mph
NW
Mostly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
26°F
10 PM
31°F
0%
9mph
NW
Mostly Cloudy
Humidity
80%
Feels like
23°F
Dew Point
26°F
11 PM
31°F
0%
9mph
NW
Partly Cloudy
Humidity
80%
Feels like
23°F
Dew Point
25°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide