Hourly Weather Forecast - Marthasville, MO

12 AM
26°F
0%
7mph
NNW
Mostly Cloudy
Humidity
86%
Feels like
18°F
Dew Point
22°F
1 AM
25°F
0%
7mph
NNW
Mostly Cloudy
Humidity
85%
Feels like
17°F
Dew Point
21°F
2 AM
24°F
0%
6mph
NNW
Partly Cloudy
Humidity
83%
Feels like
17°F
Dew Point
20°F
3 AM
24°F
0%
6mph
NNW
Partly Cloudy
Humidity
81%
Feels like
16°F
Dew Point
19°F
4 AM
23°F
0%
6mph
NNW
Partly Cloudy
Humidity
80%
Feels like
15°F
Dew Point
18°F
5 AM
22°F
0%
6mph
N
Mostly Cloudy
Humidity
78%
Feels like
15°F
Dew Point
17°F
6 AM
22°F
0%
6mph
NNE
Mostly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
15°F
7 AM
22°F
0%
6mph
NNE
Cloudy
Humidity
73%
Feels like
15°F
Dew Point
15°F
7:13 AM
8 AM
23°F
0%
5mph
NNE
Cloudy
Humidity
69%
Feels like
16°F
Dew Point
14°F
9 AM
24°F
0%
5mph
NNE
Cloudy
Humidity
64%
Feels like
17°F
Dew Point
13°F
10 AM
26°F
10%
5mph
NE
Cloudy
Humidity
58%
Feels like
20°F
Dew Point
13°F
11 AM
28°F
10%
4mph
NNE
Cloudy
Humidity
53%
Feels like
23°F
Dew Point
13°F
12 PM
29°F
10%
5mph
NNE
Cloudy
Humidity
49%
Feels like
24°F
Dew Point
13°F
1 PM
30°F
10%
5mph
NNE
Cloudy
Humidity
48%
Feels like
24°F
Dew Point
12°F
2 PM
29°F
10%
6mph
NNE
Cloudy
Humidity
48%
Feels like
23°F
Dew Point
12°F
3 PM
28°F
10%
7mph
NNE
Cloudy
Humidity
50%
Feels like
21°F
Dew Point
12°F
4 PM
26°F
10%
7mph
NNE
Cloudy
Humidity
54%
Feels like
18°F
Dew Point
12°F
4:43 PM
5 PM
24°F
10%
8mph
NNE
Cloudy
Humidity
59%
Feels like
16°F
Dew Point
12°F
6 PM
22°F
10%
9mph
N
Cloudy
Humidity
64%
Feels like
13°F
Dew Point
12°F
7 PM
21°F
10%
9mph
N
Cloudy
Humidity
67%
Feels like
11°F
Dew Point
12°F
8 PM
19°F
10%
9mph
N
Cloudy
Humidity
71%
Feels like
9°F
Dew Point
11°F
9 PM
18°F
10%
9mph
N
Cloudy
Humidity
72%
Feels like
7°F
Dew Point
10°F
10 PM
16°F
10%
9mph
N
Partly Cloudy
Humidity
73%
Feels like
5°F
Dew Point
9°F
11 PM
15°F
10%
9mph
N
Mostly Clear
Humidity
73%
Feels like
3°F
Dew Point
8°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide