Hourly Weather Forecast - Postville, IA

4 PM
31°F
20%
10mph
SSE
Cloudy
Humidity
94%
Feels like
22°F
Dew Point
29°F
4:31 PM
5 PM
31°F
50%
13mph
SSE
50% Chance of Flurries
Humidity
96%
Feels like
21°F
Dew Point
30°F
6 PM
31°F
60%
13mph
SSE
60% Chance of Flurries
Humidity
98%
Feels like
21°F
Dew Point
31°F
7 PM
32°F
70%
12mph
S
70% Chance Frozen Mix
Humidity
99%
Feels like
23°F
Dew Point
32°F
8 PM
34°F
40%
13mph
SW
40% Chance Freezing Rain
Humidity
99%
Feels like
24°F
Dew Point
33°F
9 PM
35°F
40%
16mph
WSW
40% Chance of Light Rain
Humidity
99%
Feels like
25°F
Dew Point
34°F
10 PM
35°F
20%
18mph
W
Foggy
Humidity
99%
Feels like
25°F
Dew Point
35°F
11 PM
36°F
20%
19mph
W
Foggy
Humidity
99%
Feels like
25°F
Dew Point
36°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

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide