Hourly Weather Forecast - Grinnell, IA

12 AM
24°F
20%
2mph
NE
Cloudy
Humidity
66%
Feels like
24°F
Dew Point
14°F
1 AM
24°F
20%
2mph
NE
Cloudy
Humidity
65%
Feels like
24°F
Dew Point
14°F
2 AM
24°F
20%
2mph
NE
Cloudy
Humidity
67%
Feels like
24°F
Dew Point
14°F
3 AM
24°F
20%
1mph
NNE
Mostly Cloudy
Humidity
68%
Feels like
24°F
Dew Point
15°F
4 AM
24°F
20%
1mph
NNE
Mostly Cloudy
Humidity
68%
Feels like
24°F
Dew Point
15°F
5 AM
23°F
20%
1mph
NE
Mostly Cloudy
Humidity
68%
Feels like
23°F
Dew Point
15°F
6 AM
23°F
20%
0mph
NNE
Partly Cloudy
Humidity
70%
Feels like
23°F
Dew Point
15°F
7 AM
23°F
20%
0mph
NE
Mostly Cloudy
Humidity
68%
Feels like
23°F
Dew Point
14°F
7:38 AM
8 AM
24°F
20%
0mph
E
Mostly Cloudy
Humidity
66%
Feels like
24°F
Dew Point
14°F
9 AM
25°F
20%
0mph
SW
Mostly Cloudy
Humidity
64%
Feels like
25°F
Dew Point
15°F
10 AM
26°F
20%
1mph
WSW
Partly Cloudy
Humidity
62%
Feels like
26°F
Dew Point
15°F
11 AM
28°F
20%
1mph
W
Mostly Cloudy
Humidity
60%
Feels like
28°F
Dew Point
16°F
12 PM
29°F
20%
2mph
W
Cloudy
Humidity
60%
Feels like
29°F
Dew Point
17°F
1 PM
30°F
20%
3mph
W
Cloudy
Humidity
60%
Feels like
30°F
Dew Point
18°F
2 PM
31°F
20%
3mph
WNW
Cloudy
Humidity
61%
Feels like
28°F
Dew Point
19°F
3 PM
31°F
20%
3mph
WNW
Cloudy
Humidity
64%
Feels like
28°F
Dew Point
20°F
4 PM
29°F
20%
2mph
WNW
Cloudy
Humidity
67%
Feels like
29°F
Dew Point
20°F
4:52 PM
5 PM
28°F
20%
2mph
WNW
Cloudy
Humidity
71%
Feels like
28°F
Dew Point
20°F
6 PM
28°F
20%
1mph
NW
Cloudy
Humidity
76%
Feels like
28°F
Dew Point
21°F
7 PM
27°F
20%
1mph
NW
Cloudy
Humidity
77%
Feels like
27°F
Dew Point
21°F
8 PM
26°F
20%
1mph
NW
Cloudy
Humidity
79%
Feels like
26°F
Dew Point
21°F
9 PM
26°F
20%
1mph
NNW
Mostly Cloudy
Humidity
80%
Feels like
26°F
Dew Point
21°F
10 PM
26°F
20%
1mph
N
Mostly Cloudy
Humidity
81%
Feels like
26°F
Dew Point
21°F
11 PM
26°F
20%
1mph
N
Mostly Cloudy
Humidity
81%
Feels like
26°F
Dew Point
21°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain in California

Moderate to heavy rainfall persists until nighttime in much of California.

Thursday's Weather Outlook

New Year's Day and Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide