Hourly Weather Forecast - Grinnell, IA

12 AM
42°F
10%
5mph
SE
Partly Cloudy
Humidity
96%
Feels like
38°F
Dew Point
41°F
1 AM
42°F
10%
6mph
SE
Partly Cloudy
Humidity
96%
Feels like
38°F
Dew Point
40°F
2 AM
42°F
20%
6mph
SE
Partly Cloudy
Humidity
94%
Feels like
38°F
Dew Point
40°F
3 AM
42°F
20%
7mph
SE
Partly Cloudy
Humidity
94%
Feels like
38°F
Dew Point
41°F
4 AM
43°F
30%
8mph
SE
30% Chance Rain Showers
Humidity
94%
Feels like
39°F
Dew Point
42°F
5 AM
44°F
40%
8mph
SE
40% Chance of Light Rain
Humidity
95%
Feels like
39°F
Dew Point
43°F
6 AM
45°F
60%
9mph
SE
60% Chance of Rain
Humidity
95%
Feels like
40°F
Dew Point
44°F
6:38 AM
7 AM
47°F
70%
9mph
SE
70% Chance of Rain
Humidity
95%
Feels like
42°F
Dew Point
46°F
8 AM
49°F
80%
9mph
SE
80% Chance of Light Rain
Humidity
95%
Feels like
45°F
Dew Point
48°F
9 AM
52°F
80%
9mph
SSE
80% Chance of Light Rain
Humidity
93%
Feels like
52°F
Dew Point
50°F
10 AM
54°F
70%
10mph
SSE
70% Chance of Light Rain
Humidity
93%
Feels like
54°F
Dew Point
52°F
11 AM
55°F
70%
10mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
55°F
Dew Point
53°F
12 PM
57°F
70%
10mph
S
70% Chance of Light Rain
Humidity
92%
Feels like
57°F
Dew Point
55°F
1 PM
59°F
70%
10mph
SSW
70% Chance of Storms
Humidity
91%
Feels like
59°F
Dew Point
56°F
2 PM
61°F
70%
9mph
SSW
70% Chance of Storms
Humidity
88%
Feels like
61°F
Dew Point
57°F
3 PM
62°F
70%
9mph
SSW
70% Chance of Storms
Humidity
86%
Feels like
62°F
Dew Point
58°F
4 PM
62°F
70%
9mph
SSW
70% Chance of Storms
Humidity
87%
Feels like
62°F
Dew Point
58°F
5 PM
61°F
70%
8mph
S
70% Chance of Storms
Humidity
85%
Feels like
61°F
Dew Point
56°F
6 PM
59°F
70%
8mph
S
70% Chance of Storms
Humidity
85%
Feels like
59°F
Dew Point
55°F
6:07 PM
7 PM
58°F
70%
8mph
S
70% Chance of Storms
Humidity
85%
Feels like
58°F
Dew Point
54°F
8 PM
57°F
70%
8mph
SSW
70% Chance of Storms
Humidity
87%
Feels like
57°F
Dew Point
54°F
9 PM
56°F
70%
8mph
SSW
70% Chance of Light Rain
Humidity
88%
Feels like
56°F
Dew Point
53°F
10 PM
55°F
70%
9mph
SSW
70% Chance of Light Rain
Humidity
90%
Feels like
55°F
Dew Point
52°F
11 PM
53°F
60%
9mph
SW
60% Chance of Rain
Humidity
91%
Feels like
53°F
Dew Point
51°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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