Hourly Weather Forecast - Tamms, IL

12 AM
42°F
10%
5mph
NNW
Clear
Humidity
89%
Feels like
39°F
Dew Point
39°F
1 AM
41°F
10%
6mph
NNW
Clear
Humidity
86%
Feels like
37°F
Dew Point
38°F
2 AM
40°F
10%
6mph
N
Mostly Clear
Humidity
83%
Feels like
36°F
Dew Point
35°F
3 AM
39°F
10%
6mph
N
Mostly Clear
Humidity
79%
Feels like
34°F
Dew Point
33°F
4 AM
37°F
10%
6mph
N
Mostly Clear
Humidity
77%
Feels like
33°F
Dew Point
31°F
5 AM
36°F
10%
6mph
NNE
Mostly Clear
Humidity
76%
Feels like
31°F
Dew Point
29°F
6 AM
35°F
10%
5mph
NNE
Mostly Clear
Humidity
73%
Feels like
31°F
Dew Point
28°F
7 AM
36°F
10%
6mph
NNE
Mostly Clear
Humidity
72%
Feels like
31°F
Dew Point
28°F
7:07 AM
8 AM
37°F
10%
6mph
NNE
Mostly Sunny
Humidity
67%
Feels like
32°F
Dew Point
28°F
9 AM
39°F
10%
7mph
NNE
Sunny
Humidity
61%
Feels like
34°F
Dew Point
27°F
10 AM
42°F
10%
7mph
NNE
Sunny
Humidity
55%
Feels like
37°F
Dew Point
26°F
11 AM
44°F
10%
7mph
NE
Sunny
Humidity
48%
Feels like
40°F
Dew Point
26°F
12 PM
46°F
20%
8mph
NE
Sunny
Humidity
45%
Feels like
42°F
Dew Point
26°F
1 PM
47°F
30%
8mph
NE
30% Chance Rain Showers
Humidity
43%
Feels like
43°F
Dew Point
25°F
2 PM
47°F
30%
8mph
NE
30% Chance Rain Showers
Humidity
43%
Feels like
43°F
Dew Point
26°F
3 PM
46°F
30%
7mph
NE
30% Chance Rain Showers
Humidity
44%
Feels like
42°F
Dew Point
26°F
4 PM
45°F
30%
7mph
NE
30% Chance Rain Showers
Humidity
48%
Feels like
41°F
Dew Point
26°F
4:43 PM
5 PM
42°F
30%
6mph
NE
30% Chance Rain Showers
Humidity
52%
Feels like
38°F
Dew Point
26°F
6 PM
41°F
30%
6mph
NE
30% Chance Rain Showers
Humidity
54%
Feels like
37°F
Dew Point
26°F
7 PM
40°F
20%
6mph
NE
Partly Cloudy
Humidity
73%
Feels like
36°F
Dew Point
32°F
8 PM
40°F
20%
6mph
NE
Mostly Clear
Humidity
71%
Feels like
36°F
Dew Point
31°F
9 PM
39°F
20%
6mph
NE
Clear
Humidity
75%
Feels like
35°F
Dew Point
31°F
10 PM
38°F
10%
5mph
NE
Mostly Clear
Humidity
76%
Feels like
34°F
Dew Point
31°F
11 PM
38°F
10%
5mph
NE
Mostly Clear
Humidity
76%
Feels like
34°F
Dew Point
31°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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