Hourly Weather Forecast - Tiffin, IA

2 AM
41°F
0%
20mph
WNW
Mostly Cloudy
Humidity
77%
Feels like
31°F
Dew Point
34°F
3 AM
39°F
10%
21mph
WNW
Windy
Humidity
77%
Feels like
29°F
Dew Point
33°F
4 AM
37°F
30%
21mph
WNW
30% Chance Frozen Mix
Humidity
76%
Feels like
27°F
Dew Point
31°F
5 AM
35°F
30%
22mph
WNW
30% Chance of Flurries
Humidity
77%
Feels like
24°F
Dew Point
29°F
6 AM
33°F
30%
22mph
NW
30% Chance of Flurries
Humidity
75%
Feels like
21°F
Dew Point
26°F
7 AM
33°F
30%
22mph
NW
30 % Chance of Heavy Snow
Humidity
76%
Feels like
20°F
Dew Point
26°F
7:22 AM
8 AM
33°F
30%
21mph
NNW
30% Chance of Heavy Snow
Humidity
80%
Feels like
20°F
Dew Point
27°F
9 AM
33°F
10%
20mph
NNW
Mostly Cloudy
Humidity
77%
Feels like
21°F
Dew Point
26°F
10 AM
32°F
10%
19mph
NNW
Mostly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
26°F
11 AM
32°F
0%
19mph
NNW
Mostly Cloudy
Humidity
74%
Feels like
20°F
Dew Point
24°F
12 PM
31°F
0%
18mph
NW
Mostly Cloudy
Humidity
73%
Feels like
19°F
Dew Point
23°F
1 PM
30°F
0%
17mph
NW
Mostly Cloudy
Humidity
74%
Feels like
18°F
Dew Point
23°F
2 PM
29°F
10%
16mph
NW
Mostly Cloudy
Humidity
75%
Feels like
17°F
Dew Point
22°F
3 PM
28°F
10%
15mph
NW
Cloudy
Humidity
76%
Feels like
16°F
Dew Point
21°F
4 PM
26°F
30%
14mph
NW
30% Chance Frozen Mix
Humidity
77%
Feels like
15°F
Dew Point
20°F
4:36 PM
5 PM
25°F
0%
13mph
NW
Cloudy
Humidity
79%
Feels like
13°F
Dew Point
19°F
6 PM
24°F
30%
13mph
NW
30% Chance of Snow
Humidity
81%
Feels like
12°F
Dew Point
19°F
7 PM
23°F
0%
12mph
NW
Mostly Cloudy
Humidity
83%
Feels like
11°F
Dew Point
19°F
8 PM
23°F
30%
12mph
NW
30% Chance of Snow
Humidity
82%
Feels like
11°F
Dew Point
18°F
9 PM
22°F
0%
12mph
NW
Partly Cloudy
Humidity
81%
Feels like
11°F
Dew Point
17°F
10 PM
21°F
0%
11mph
NW
Partly Cloudy
Humidity
80%
Feels like
10°F
Dew Point
16°F
11 PM
21°F
0%
10mph
NW
Mostly Cloudy
Humidity
80%
Feels like
9°F
Dew Point
15°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide