Hourly Weather Forecast - Rock Valley, IA

12 AM
16°F
0%
2mph
S
Hazy
Humidity
98%
Feels like
16°F
Dew Point
15°F
1 AM
16°F
0%
3mph
S
Hazy
Humidity
97%
Feels like
16°F
Dew Point
15°F
2 AM
16°F
0%
3mph
SSE
Hazy
Humidity
96%
Feels like
11°F
Dew Point
15°F
3 AM
17°F
0%
4mph
SSE
Hazy
Humidity
95%
Feels like
10°F
Dew Point
15°F
4 AM
17°F
0%
5mph
SSE
Partly Cloudy
Humidity
95%
Feels like
10°F
Dew Point
16°F
5 AM
18°F
0%
6mph
SSE
Partly Cloudy
Humidity
94%
Feels like
10°F
Dew Point
16°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today'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