Hourly Weather Forecast - Grinnell, IA

12 AM
45°F
30%
14mph
SW
30% Chance of Light Rain
Humidity
60%
Feels like
39°F
Dew Point
32°F
1 AM
44°F
20%
14mph
WSW
Cloudy
Humidity
64%
Feels like
38°F
Dew Point
33°F
2 AM
44°F
10%
16mph
W
Mostly Cloudy
Humidity
61%
Feels like
36°F
Dew Point
31°F
3 AM
42°F
10%
19mph
W
Partly Cloudy
Humidity
56%
Feels like
34°F
Dew Point
28°F
4 AM
40°F
10%
21mph
WNW
Windy
Humidity
55%
Feels like
31°F
Dew Point
26°F
5 AM
38°F
0%
21mph
WNW
Windy
Humidity
57%
Feels like
28°F
Dew Point
24°F
6 AM
36°F
0%
20mph
WNW
Partly Cloudy
Humidity
62%
Feels like
25°F
Dew Point
24°F
7 AM
34°F
0%
19mph
WNW
Partly Cloudy
Humidity
67%
Feels like
23°F
Dew Point
24°F
7:26 AM
8 AM
34°F
0%
19mph
WNW
Partly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
24°F
9 AM
35°F
0%
19mph
WNW
Partly Cloudy
Humidity
64%
Feels like
25°F
Dew Point
24°F
10 AM
37°F
0%
18mph
WNW
Partly Cloudy
Humidity
60%
Feels like
27°F
Dew Point
24°F
11 AM
39°F
0%
17mph
WNW
Partly Cloudy
Humidity
56%
Feels like
29°F
Dew Point
24°F
12 PM
40°F
0%
16mph
WNW
Partly Cloudy
Humidity
54%
Feels like
32°F
Dew Point
25°F
1 PM
41°F
0%
15mph
WNW
Partly Cloudy
Humidity
52%
Feels like
34°F
Dew Point
25°F
2 PM
42°F
0%
14mph
WNW
Partly Cloudy
Humidity
50%
Feels like
35°F
Dew Point
25°F
3 PM
43°F
0%
13mph
NW
Partly Cloudy
Humidity
47%
Feels like
36°F
Dew Point
24°F
4 PM
43°F
0%
12mph
NW
Mostly Cloudy
Humidity
45%
Feels like
37°F
Dew Point
23°F
5 PM
42°F
0%
10mph
NW
Mostly Cloudy
Humidity
44%
Feels like
37°F
Dew Point
22°F
6 PM
40°F
0%
8mph
NW
Mostly Cloudy
Humidity
45%
Feels like
35°F
Dew Point
21°F
7 PM
38°F
0%
6mph
NW
Mostly Cloudy
Humidity
46%
Feels like
33°F
Dew Point
19°F
7:15 PM
8 PM
36°F
0%
4mph
NNW
Mostly Cloudy
Humidity
50%
Feels like
33°F
Dew Point
19°F
9 PM
35°F
0%
3mph
N
Mostly Cloudy
Humidity
53%
Feels like
35°F
Dew Point
20°F
10 PM
34°F
10%
2mph
NNE
Mostly Cloudy
Humidity
57%
Feels like
34°F
Dew Point
20°F
11 PM
33°F
10%
2mph
NE
Mostly Cloudy
Humidity
59%
Feels like
33°F
Dew Point
21°F

Wind Gust Forecast

High Winds & Heavy Snow Batter The Northern U.S.

A storm system tracking across the Northern U.S. will usher in snowy and blustery weather for the end of the week.

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide