Hourly Weather Forecast - Rock Valley, IA

12 AM
14°F
0%
13mph
S
Mostly Clear
Humidity
79%
Feels like
0°F
Dew Point
9°F
1 AM
15°F
0%
13mph
S
Mostly Clear
Humidity
80%
Feels like
1°F
Dew Point
10°F
2 AM
16°F
0%
12mph
S
Mostly Clear
Humidity
81%
Feels like
2°F
Dew Point
11°F
3 AM
16°F
0%
12mph
S
Mostly Clear
Humidity
82%
Feels like
3°F
Dew Point
12°F
4 AM
17°F
0%
11mph
S
Mostly Clear
Humidity
84%
Feels like
4°F
Dew Point
13°F
5 AM
17°F
0%
9mph
S
Clear
Humidity
85%
Feels like
6°F
Dew Point
13°F
6 AM
17°F
0%
8mph
S
Clear
Humidity
87%
Feels like
7°F
Dew Point
14°F
7 AM
17°F
0%
7mph
SSW
Hazy
Humidity
91%
Feels like
8°F
Dew Point
15°F
7:50 AM
8 AM
18°F
0%
7mph
SSW
Hazy
Humidity
95%
Feels like
8°F
Dew Point
16°F
9 AM
18°F
10%
6mph
SSW
Partly Cloudy
Humidity
98%
Feels like
9°F
Dew Point
18°F
10 AM
20°F
10%
6mph
SSW
Foggy
Humidity
99%
Feels like
12°F
Dew Point
20°F
11 AM
23°F
10%
6mph
SW
Mostly Cloudy
Humidity
98%
Feels like
15°F
Dew Point
22°F
12 PM
25°F
10%
6mph
SW
Mostly Cloudy
Humidity
97%
Feels like
17°F
Dew Point
24°F
1 PM
26°F
10%
6mph
SW
Cloudy
Humidity
96%
Feels like
19°F
Dew Point
25°F
2 PM
26°F
10%
5mph
WSW
Cloudy
Humidity
94%
Feels like
20°F
Dew Point
24°F
3 PM
25°F
10%
4mph
WSW
Cloudy
Humidity
94%
Feels like
20°F
Dew Point
24°F
4 PM
23°F
10%
3mph
SW
Mostly Cloudy
Humidity
95%
Feels like
23°F
Dew Point
22°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