Hourly Weather Forecast - Rock Valley, IA

9 AM
-11°F
0%
3mph
SSE
Very Cold
Humidity
86%
Feels like
-11°F
Dew Point
-14°F
10 AM
-8°F
0%
5mph
SSE
Very Cold
Humidity
84%
Feels like
-19°F
Dew Point
-11°F
11 AM
-3°F
0%
7mph
S
Very Cold
Humidity
81%
Feels like
-17°F
Dew Point
-7°F
12 PM
2°F
0%
10mph
S
Mostly Sunny
Humidity
79%
Feels like
-13°F
Dew Point
-3°F
1 PM
4°F
0%
11mph
S
Sunny
Humidity
78%
Feels like
-11°F
Dew Point
-1°F
2 PM
7°F
0%
13mph
S
Sunny
Humidity
77%
Feels like
-9°F
Dew Point
1°F
3 PM
8°F
0%
14mph
S
Sunny
Humidity
76%
Feels like
-8°F
Dew Point
2°F
4 PM
9°F
0%
15mph
S
Sunny
Humidity
77%
Feels like
-8°F
Dew Point
3°F
4:50 PM
5 PM
10°F
0%
15mph
S
Clear
Humidity
77%
Feels like
-7°F
Dew Point
4°F
6 PM
10°F
0%
16mph
S
Mostly Clear
Humidity
78%
Feels like
-7°F
Dew Point
4°F
7 PM
11°F
0%
17mph
S
Clear
Humidity
77%
Feels like
-6°F
Dew Point
6°F
8 PM
13°F
0%
17mph
S
Clear
Humidity
76%
Feels like
-4°F
Dew Point
7°F
9 PM
14°F
0%
18mph
S
Mostly Clear
Humidity
76%
Feels like
-3°F
Dew Point
8°F
10 PM
15°F
0%
18mph
SSW
Mostly Clear
Humidity
77%
Feels like
-2°F
Dew Point
9°F
11 PM
16°F
0%
17mph
SSW
Mostly Clear
Humidity
78%
Feels like
0°F
Dew Point
10°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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