Hourly Weather Forecast - Grimes, IA

12 AM
33°F
0%
5mph
E
Cloudy
Humidity
82%
Feels like
29°F
Dew Point
29°F
1 AM
34°F
0%
5mph
E
Cloudy
Humidity
80%
Feels like
29°F
Dew Point
28°F
2 AM
34°F
0%
6mph
E
Cloudy
Humidity
78%
Feels like
29°F
Dew Point
28°F
3 AM
34°F
0%
6mph
E
Cloudy
Humidity
77%
Feels like
29°F
Dew Point
28°F
4 AM
34°F
0%
6mph
E
Cloudy
Humidity
79%
Feels like
28°F
Dew Point
28°F
5 AM
33°F
0%
6mph
E
Cloudy
Humidity
83%
Feels like
27°F
Dew Point
28°F
6 AM
32°F
10%
7mph
E
Cloudy
Humidity
87%
Feels like
26°F
Dew Point
29°F
7 AM
33°F
10%
6mph
E
Cloudy
Humidity
89%
Feels like
27°F
Dew Point
30°F
7:40 AM
8 AM
34°F
10%
6mph
E
Cloudy
Humidity
88%
Feels like
28°F
Dew Point
31°F
9 AM
35°F
10%
6mph
ESE
Cloudy
Humidity
87%
Feels like
30°F
Dew Point
32°F
10 AM
37°F
10%
6mph
ESE
Cloudy
Humidity
85%
Feels like
32°F
Dew Point
33°F
11 AM
39°F
10%
6mph
ESE
Cloudy
Humidity
84%
Feels like
34°F
Dew Point
35°F

Forecast Peak Wind Gusts Today

Clipper System Blasts Central, Eastern U.S. With Winter Impacts

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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