Hourly Weather Forecast - Grinnell, IA

12 AM
40°F
30%
3mph
NNE
30% Chance of Rain
Humidity
91%
Feels like
40°F
Dew Point
38°F
1 AM
40°F
30%
3mph
NNE
30% Chance of Light Rain
Humidity
90%
Feels like
40°F
Dew Point
37°F
2 AM
40°F
30%
2mph
NNE
30% Chance of Light Rain
Humidity
89%
Feels like
40°F
Dew Point
37°F
3 AM
40°F
40%
2mph
NNE
40% Chance of Light Rain
Humidity
90%
Feels like
40°F
Dew Point
37°F
4 AM
40°F
30%
3mph
NNE
30% Chance of Light Rain
Humidity
91%
Feels like
40°F
Dew Point
37°F
5 AM
40°F
30%
3mph
NNE
30% Chance of Light Rain
Humidity
93%
Feels like
40°F
Dew Point
38°F
6 AM
40°F
30%
3mph
NNE
30% Chance of Light Rain
Humidity
94%
Feels like
38°F
Dew Point
38°F
6:39 AM
7 AM
41°F
30%
3mph
N
30% Chance of Light Rain
Humidity
96%
Feels like
39°F
Dew Point
40°F
8 AM
42°F
30%
3mph
N
30% Chance of Light Rain
Humidity
96%
Feels like
41°F
Dew Point
41°F
9 AM
45°F
30%
3mph
NNW
30% Chance of Light Rain
Humidity
92%
Feels like
43°F
Dew Point
43°F
10 AM
47°F
20%
3mph
NW
Cloudy
Humidity
88%
Feels like
46°F
Dew Point
44°F
11 AM
49°F
20%
3mph
W
Cloudy
Humidity
84%
Feels like
49°F
Dew Point
45°F
12 PM
51°F
20%
4mph
W
Cloudy
Humidity
80%
Feels like
51°F
Dew Point
46°F
1 PM
53°F
10%
4mph
WSW
Cloudy
Humidity
77%
Feels like
53°F
Dew Point
46°F
2 PM
55°F
10%
4mph
SW
Cloudy
Humidity
72%
Feels like
55°F
Dew Point
46°F
3 PM
56°F
10%
4mph
SSW
Cloudy
Humidity
71%
Feels like
56°F
Dew Point
46°F
4 PM
55°F
10%
4mph
S
Cloudy
Humidity
71%
Feels like
55°F
Dew Point
46°F
5 PM
53°F
10%
3mph
SSE
Mostly Cloudy
Humidity
74%
Feels like
53°F
Dew Point
45°F
6 PM
50°F
10%
3mph
SE
Mostly Cloudy
Humidity
79%
Feels like
50°F
Dew Point
44°F
6:05 PM
7 PM
47°F
10%
3mph
ESE
Partly Cloudy
Humidity
85%
Feels like
46°F
Dew Point
43°F
8 PM
46°F
10%
4mph
ESE
Partly Cloudy
Humidity
88%
Feels like
44°F
Dew Point
42°F
9 PM
44°F
10%
4mph
ESE
Hazy
Humidity
91%
Feels like
42°F
Dew Point
42°F
10 PM
43°F
10%
5mph
ESE
Hazy
Humidity
93%
Feels like
40°F
Dew Point
42°F
11 PM
42°F
10%
5mph
ESE
Partly Cloudy
Humidity
95%
Feels like
39°F
Dew Point
41°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains tonight through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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