Hourly Weather Forecast - Marengo, IA

4 PM
36°F
10%
10mph
S
Cloudy
Humidity
82%
Feels like
28°F
Dew Point
31°F
4:37 PM
5 PM
36°F
10%
11mph
SSW
Cloudy
Humidity
83%
Feels like
28°F
Dew Point
32°F
6 PM
37°F
20%
12mph
SSW
Cloudy
Humidity
83%
Feels like
29°F
Dew Point
32°F
7 PM
38°F
30%
13mph
SW
30% Chance of Light Rain
Humidity
84%
Feels like
29°F
Dew Point
33°F
8 PM
38°F
20%
15mph
SW
Mostly Cloudy
Humidity
84%
Feels like
30°F
Dew Point
34°F
9 PM
38°F
10%
16mph
WSW
Mostly Cloudy
Humidity
84%
Feels like
29°F
Dew Point
34°F
10 PM
38°F
0%
17mph
W
Mostly Cloudy
Humidity
85%
Feels like
29°F
Dew Point
35°F
11 PM
38°F
0%
18mph
W
Mostly Cloudy
Humidity
86%
Feels like
29°F
Dew Point
35°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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