Hourly Weather Forecast - Marengo, IA

12 AM
38°F
0%
19mph
W
Mostly Cloudy
Humidity
87%
Feels like
28°F
Dew Point
35°F
1 AM
37°F
0%
20mph
WNW
Windy
Humidity
86%
Feels like
27°F
Dew Point
34°F
2 AM
36°F
0%
21mph
WNW
Windy
Humidity
85%
Feels like
25°F
Dew Point
32°F
3 AM
35°F
10%
23mph
WNW
Windy
Humidity
84%
Feels like
23°F
Dew Point
31°F
4 AM
33°F
10%
23mph
WNW
Windy
Humidity
85%
Feels like
21°F
Dew Point
29°F
5 AM
31°F
10%
23mph
NW
Windy
Humidity
85%
Feels like
18°F
Dew Point
27°F
6 AM
29°F
30%
23mph
NW
30% Chance of Snow
Humidity
85%
Feels like
16°F
Dew Point
26°F
7 AM
28°F
10%
22mph
NW
Windy
Humidity
85%
Feels like
15°F
Dew Point
25°F
7:24 AM
8 AM
28°F
10%
20mph
NNW
Mostly Cloudy
Humidity
85%
Feels like
15°F
Dew Point
24°F
9 AM
27°F
0%
19mph
NNW
Partly Cloudy
Humidity
85%
Feels like
14°F
Dew Point
24°F
10 AM
27°F
0%
18mph
NNW
Partly Cloudy
Humidity
84%
Feels like
15°F
Dew Point
23°F
11 AM
28°F
0%
17mph
NW
Mostly Cloudy
Humidity
83%
Feels like
15°F
Dew Point
23°F
12 PM
28°F
0%
16mph
NW
Mostly Cloudy
Humidity
82%
Feels like
16°F
Dew Point
23°F
1 PM
28°F
0%
15mph
NW
Mostly Cloudy
Humidity
81%
Feels like
16°F
Dew Point
22°F
2 PM
27°F
0%
15mph
NW
Mostly Cloudy
Humidity
81%
Feels like
15°F
Dew Point
22°F
3 PM
26°F
0%
14mph
NW
Mostly Cloudy
Humidity
80%
Feels like
14°F
Dew Point
21°F
4 PM
25°F
0%
13mph
NW
Mostly Cloudy
Humidity
80%
Feels like
14°F
Dew Point
20°F
4:37 PM
5 PM
24°F
0%
12mph
NW
Cloudy
Humidity
80%
Feels like
13°F
Dew Point
19°F
6 PM
23°F
0%
11mph
NW
Cloudy
Humidity
81%
Feels like
12°F
Dew Point
18°F
7 PM
22°F
0%
10mph
NW
Mostly Cloudy
Humidity
81%
Feels like
11°F
Dew Point
17°F
8 PM
20°F
0%
10mph
NW
Mostly Cloudy
Humidity
82%
Feels like
9°F
Dew Point
16°F
9 PM
19°F
0%
9mph
NW
Partly Cloudy
Humidity
83%
Feels like
8°F
Dew Point
15°F
10 PM
18°F
0%
8mph
NW
Partly Cloudy
Humidity
83%
Feels like
8°F
Dew Point
14°F
11 PM
17°F
0%
7mph
NW
Partly Cloudy
Humidity
83%
Feels like
8°F
Dew Point
13°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