Hourly Weather Forecast - Tamms, IL

12 AM
11°F
0%
1mph
E
Clear
Humidity
51%
Feels like
11°F
Dew Point
-3°F
1 AM
11°F
0%
1mph
ESE
Clear
Humidity
52%
Feels like
11°F
Dew Point
-3°F
2 AM
11°F
0%
1mph
SE
Clear
Humidity
53%
Feels like
11°F
Dew Point
-2°F
3 AM
12°F
0%
1mph
SE
Clear
Humidity
54%
Feels like
12°F
Dew Point
-2°F
4 AM
12°F
0%
2mph
SSE
Clear
Humidity
55%
Feels like
12°F
Dew Point
-1°F
5 AM
12°F
0%
2mph
SSE
Clear
Humidity
57%
Feels like
12°F
Dew Point
-1°F
6 AM
12°F
0%
2mph
S
Clear
Humidity
57%
Feels like
12°F
Dew Point
0°F
7 AM
14°F
0%
3mph
S
Clear
Humidity
54%
Feels like
8°F
Dew Point
0°F
7:03 AM
8 AM
16°F
0%
4mph
S
Sunny
Humidity
50%
Feels like
9°F
Dew Point
1°F
9 AM
19°F
0%
5mph
S
Sunny
Humidity
45%
Feels like
11°F
Dew Point
1°F
10 AM
22°F
0%
6mph
SSW
Sunny
Humidity
38%
Feels like
15°F
Dew Point
1°F
11 AM
26°F
0%
8mph
SSW
Sunny
Humidity
33%
Feels like
18°F
Dew Point
1°F
12 PM
29°F
0%
9mph
SSW
Sunny
Humidity
29%
Feels like
21°F
Dew Point
1°F
1 PM
31°F
0%
9mph
SSW
Sunny
Humidity
27%
Feels like
24°F
Dew Point
2°F
2 PM
33°F
0%
9mph
SSW
Sunny
Humidity
27%
Feels like
25°F
Dew Point
2°F
3 PM
33°F
0%
9mph
SSW
Mostly Sunny
Humidity
28%
Feels like
26°F
Dew Point
4°F
4 PM
31°F
0%
8mph
SSW
Sunny
Humidity
32%
Feels like
24°F
Dew Point
5°F
4:40 PM
5 PM
29°F
0%
6mph
SSW
Clear
Humidity
37%
Feels like
23°F
Dew Point
7°F
6 PM
28°F
0%
5mph
SSW
Clear
Humidity
43%
Feels like
22°F
Dew Point
8°F
7 PM
27°F
0%
5mph
SSW
Clear
Humidity
47%
Feels like
21°F
Dew Point
9°F
8 PM
26°F
0%
4mph
SSW
Clear
Humidity
50%
Feels like
21°F
Dew Point
10°F
9 PM
26°F
0%
4mph
SSW
Clear
Humidity
52%
Feels like
20°F
Dew Point
11°F
10 PM
26°F
0%
4mph
SSW
Clear
Humidity
54%
Feels like
21°F
Dew Point
11°F
11 PM
26°F
0%
3mph
SSW
Clear
Humidity
55%
Feels like
21°F
Dew Point
12°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

Thursday's Weather Outlook

Thursday'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