Hourly Weather Forecast - Rock Valley, IA

12 AM
23°F
10%
6mph
N
Cloudy
Humidity
96%
Feels like
15°F
Dew Point
22°F
1 AM
22°F
10%
7mph
NNW
Cloudy
Humidity
95%
Feels like
14°F
Dew Point
21°F
2 AM
22°F
10%
8mph
NNW
Cloudy
Humidity
94%
Feels like
13°F
Dew Point
21°F
3 AM
22°F
10%
9mph
NNW
Cloudy
Humidity
93%
Feels like
11°F
Dew Point
20°F
4 AM
22°F
0%
11mph
NNW
Cloudy
Humidity
91%
Feels like
10°F
Dew Point
19°F
5 AM
21°F
0%
11mph
NNW
Cloudy
Humidity
90%
Feels like
10°F
Dew Point
19°F
6 AM
21°F
0%
13mph
NNW
Cloudy
Humidity
89%
Feels like
8°F
Dew Point
18°F
7 AM
20°F
0%
13mph
NNW
Cloudy
Humidity
90%
Feels like
7°F
Dew Point
18°F
7:47 AM
8 AM
19°F
0%
13mph
NW
Cloudy
Humidity
91%
Feels like
6°F
Dew Point
17°F
9 AM
18°F
0%
14mph
NW
Cloudy
Humidity
91%
Feels like
5°F
Dew Point
16°F
10 AM
17°F
0%
15mph
NW
Cloudy
Humidity
90%
Feels like
3°F
Dew Point
15°F
11 AM
16°F
0%
15mph
NW
Cloudy
Humidity
89%
Feels like
1°F
Dew Point
13°F
12 PM
15°F
0%
15mph
NW
Cloudy
Humidity
87%
Feels like
0°F
Dew Point
12°F
1 PM
15°F
0%
15mph
NW
Cloudy
Humidity
85%
Feels like
-1°F
Dew Point
11°F
2 PM
14°F
0%
14mph
NW
Cloudy
Humidity
84%
Feels like
-1°F
Dew Point
10°F
3 PM
14°F
0%
13mph
NW
Cloudy
Humidity
82%
Feels like
-1°F
Dew Point
9°F
4 PM
13°F
0%
12mph
NW
Cloudy
Humidity
83%
Feels like
-1°F
Dew Point
8°F
4:49 PM
5 PM
11°F
10%
11mph
NW
Cloudy
Humidity
83%
Feels like
-2°F
Dew Point
7°F
6 PM
10°F
10%
9mph
NNW
Cloudy
Humidity
84%
Feels like
-3°F
Dew Point
6°F
7 PM
9°F
10%
9mph
NNW
Cloudy
Humidity
84%
Feels like
-3°F
Dew Point
5°F
8 PM
8°F
10%
8mph
NNW
Cloudy
Humidity
83%
Feels like
-4°F
Dew Point
4°F
9 PM
7°F
10%
7mph
NNW
Cloudy
Humidity
83%
Feels like
-4°F
Dew Point
3°F
10 PM
6°F
10%
6mph
NNW
Mostly Cloudy
Humidity
83%
Feels like
-4°F
Dew Point
2°F
11 PM
6°F
30%
5mph
NNW
30% Chance of Flurries
Humidity
83%
Feels like
-3°F
Dew Point
2°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