Hourly Weather Forecast - Grimes, IA

12 AM
42°F
0%
6mph
SW
Partly Cloudy
Humidity
94%
Feels like
38°F
Dew Point
40°F
1 AM
42°F
0%
6mph
SW
Partly Cloudy
Humidity
94%
Feels like
38°F
Dew Point
40°F
2 AM
41°F
0%
6mph
WSW
Partly Cloudy
Humidity
94%
Feels like
38°F
Dew Point
40°F
3 AM
41°F
0%
6mph
W
Partly Cloudy
Humidity
94%
Feels like
37°F
Dew Point
39°F
4 AM
40°F
0%
5mph
W
Partly Cloudy
Humidity
95%
Feels like
36°F
Dew Point
39°F
5 AM
39°F
0%
5mph
WNW
Partly Cloudy
Humidity
96%
Feels like
35°F
Dew Point
38°F
6 AM
38°F
0%
5mph
NW
Hazy
Humidity
97%
Feels like
35°F
Dew Point
38°F
7 AM
38°F
0%
4mph
NW
Hazy
Humidity
97%
Feels like
34°F
Dew Point
37°F
7:39 AM
8 AM
39°F
0%
4mph
NNW
Hazy
Humidity
96%
Feels like
36°F
Dew Point
38°F
9 AM
41°F
0%
4mph
NNW
Hazy
Humidity
91%
Feels like
38°F
Dew Point
38°F
10 AM
43°F
0%
4mph
N
Mostly Sunny
Humidity
85%
Feels like
41°F
Dew Point
39°F
11 AM
46°F
0%
4mph
N
Mostly Sunny
Humidity
80%
Feels like
44°F
Dew Point
40°F
12 PM
47°F
0%
5mph
NNE
Mostly Sunny
Humidity
76%
Feels like
45°F
Dew Point
40°F
1 PM
48°F
0%
5mph
NNE
Mostly Sunny
Humidity
74%
Feels like
46°F
Dew Point
40°F
2 PM
48°F
0%
5mph
NE
Mostly Sunny
Humidity
74%
Feels like
46°F
Dew Point
40°F
3 PM
47°F
0%
5mph
NE
Sunny
Humidity
76%
Feels like
45°F
Dew Point
40°F
4 PM
46°F
0%
5mph
NE
Sunny
Humidity
79%
Feels like
43°F
Dew Point
39°F
4:48 PM
5 PM
44°F
0%
4mph
ENE
Clear
Humidity
82%
Feels like
41°F
Dew Point
38°F
6 PM
42°F
0%
4mph
ENE
Clear
Humidity
85%
Feels like
40°F
Dew Point
38°F
7 PM
41°F
0%
4mph
E
Mostly Clear
Humidity
87%
Feels like
38°F
Dew Point
37°F
8 PM
40°F
0%
5mph
E
Partly Cloudy
Humidity
88%
Feels like
37°F
Dew Point
37°F
9 PM
39°F
0%
5mph
ESE
Partly Cloudy
Humidity
90%
Feels like
35°F
Dew Point
37°F
10 PM
39°F
0%
5mph
ESE
Partly Cloudy
Humidity
91%
Feels like
35°F
Dew Point
36°F
11 PM
38°F
0%
6mph
ESE
Cloudy
Humidity
92%
Feels like
34°F
Dew Point
36°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

NOAA, NCDC

White Christmas? What Are The Odds

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

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