Hourly Weather Forecast - Altamont, IL

12 AM
26°F
10%
14mph
WNW
Mostly Clear
Humidity
69%
Feels like
14°F
Dew Point
17°F
1 AM
24°F
10%
14mph
WNW
Mostly Clear
Humidity
68%
Feels like
12°F
Dew Point
15°F
2 AM
23°F
10%
13mph
WNW
Clear
Humidity
68%
Feels like
11°F
Dew Point
14°F
3 AM
23°F
10%
13mph
WNW
Clear
Humidity
69%
Feels like
11°F
Dew Point
14°F
4 AM
23°F
10%
12mph
WNW
Clear
Humidity
70%
Feels like
11°F
Dew Point
15°F
5 AM
23°F
10%
11mph
WNW
Clear
Humidity
71%
Feels like
11°F
Dew Point
15°F
6 AM
23°F
10%
11mph
WNW
Clear
Humidity
73%
Feels like
12°F
Dew Point
15°F
7 AM
23°F
20%
11mph
WNW
Clear
Humidity
71%
Feels like
12°F
Dew Point
15°F
7:09 AM
8 AM
23°F
20%
11mph
WNW
Sunny
Humidity
68%
Feels like
12°F
Dew Point
14°F
9 AM
24°F
20%
10mph
WNW
Sunny
Humidity
66%
Feels like
14°F
Dew Point
15°F
10 AM
26°F
20%
9mph
WNW
Sunny
Humidity
64%
Feels like
16°F
Dew Point
15°F
11 AM
27°F
20%
8mph
W
Sunny
Humidity
61%
Feels like
19°F
Dew Point
15°F
12 PM
29°F
20%
7mph
W
Sunny
Humidity
58%
Feels like
21°F
Dew Point
16°F
1 PM
30°F
20%
6mph
W
Sunny
Humidity
54%
Feels like
23°F
Dew Point
15°F
2 PM
31°F
20%
6mph
WSW
Sunny
Humidity
54%
Feels like
25°F
Dew Point
16°F
3 PM
30°F
20%
5mph
WSW
Sunny
Humidity
56%
Feels like
25°F
Dew Point
17°F
4 PM
29°F
20%
4mph
SW
Sunny
Humidity
61%
Feels like
25°F
Dew Point
17°F
4:34 PM
5 PM
28°F
20%
3mph
SSW
Clear
Humidity
67%
Feels like
24°F
Dew Point
18°F
6 PM
27°F
20%
3mph
S
Clear
Humidity
71%
Feels like
27°F
Dew Point
19°F
7 PM
27°F
20%
4mph
SSE
Clear
Humidity
71%
Feels like
23°F
Dew Point
19°F
8 PM
27°F
20%
6mph
SSE
Clear
Humidity
72%
Feels like
21°F
Dew Point
20°F
9 PM
28°F
20%
7mph
S
Clear
Humidity
73%
Feels like
21°F
Dew Point
20°F
10 PM
28°F
20%
7mph
S
Clear
Humidity
75%
Feels like
20°F
Dew Point
21°F
11 PM
29°F
20%
8mph
S
Clear
Humidity
76%
Feels like
21°F
Dew Point
22°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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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