Hourly Weather Forecast - Grantsburg, IL

12 AM
27°F
20%
7mph
N
Mostly Cloudy
Humidity
90%
Feels like
19°F
Dew Point
24°F
1 AM
25°F
10%
7mph
N
Mostly Cloudy
Humidity
85%
Feels like
17°F
Dew Point
21°F
2 AM
23°F
10%
8mph
N
Partly Cloudy
Humidity
77%
Feels like
14°F
Dew Point
17°F
3 AM
21°F
10%
9mph
N
Mostly Clear
Humidity
71%
Feels like
11°F
Dew Point
13°F
4 AM
20°F
10%
9mph
N
Mostly Clear
Humidity
67%
Feels like
10°F
Dew Point
10°F
5 AM
19°F
10%
8mph
N
Mostly Clear
Humidity
64%
Feels like
8°F
Dew Point
8°F
6 AM
18°F
10%
8mph
N
Mostly Clear
Humidity
60%
Feels like
7°F
Dew Point
6°F
7 AM
17°F
10%
8mph
N
Mostly Clear
Humidity
56%
Feels like
7°F
Dew Point
4°F
7:01 AM
8 AM
17°F
10%
8mph
N
Mostly Sunny
Humidity
53%
Feels like
7°F
Dew Point
3°F
9 AM
18°F
10%
9mph
N
Mostly Sunny
Humidity
49%
Feels like
8°F
Dew Point
2°F
10 AM
20°F
10%
9mph
N
Mostly Sunny
Humidity
44%
Feels like
10°F
Dew Point
2°F
11 AM
22°F
0%
9mph
N
Mostly Sunny
Humidity
39%
Feels like
13°F
Dew Point
1°F
12 PM
24°F
0%
9mph
N
Mostly Sunny
Humidity
35%
Feels like
15°F
Dew Point
0°F
1 PM
25°F
10%
8mph
N
Sunny
Humidity
32%
Feels like
16°F
Dew Point
-1°F
2 PM
26°F
0%
8mph
N
Sunny
Humidity
30%
Feels like
17°F
Dew Point
-1°F
3 PM
26°F
0%
7mph
N
Sunny
Humidity
30%
Feels like
18°F
Dew Point
-1°F
4 PM
24°F
0%
6mph
NNE
Sunny
Humidity
31%
Feels like
17°F
Dew Point
-2°F
4:38 PM
5 PM
22°F
0%
5mph
NNE
Clear
Humidity
34%
Feels like
15°F
Dew Point
-2°F
6 PM
21°F
0%
4mph
NNE
Clear
Humidity
38%
Feels like
15°F
Dew Point
-1°F
7 PM
20°F
0%
4mph
NNE
Clear
Humidity
50%
Feels like
14°F
Dew Point
4°F
8 PM
19°F
0%
4mph
NNE
Clear
Humidity
54%
Feels like
14°F
Dew Point
5°F
9 PM
18°F
0%
4mph
NE
Clear
Humidity
57%
Feels like
13°F
Dew Point
6°F
10 PM
18°F
0%
3mph
NE
Clear
Humidity
60%
Feels like
13°F
Dew Point
6°F
11 PM
17°F
0%
3mph
NE
Clear
Humidity
62%
Feels like
17°F
Dew Point
7°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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Outdoor Sports Guide