Hourly Weather Forecast - Altamont, IL

12 AM
41°F
30%
14mph
SW
30% Chance of Light Rain
Humidity
81%
Feels like
33°F
Dew Point
35°F
1 AM
41°F
30%
13mph
SW
30% Chance of Light Rain
Humidity
84%
Feels like
33°F
Dew Point
36°F
2 AM
41°F
20%
13mph
SW
Mostly Cloudy
Humidity
86%
Feels like
34°F
Dew Point
37°F
3 AM
42°F
10%
12mph
WSW
Cloudy
Humidity
87%
Feels like
35°F
Dew Point
38°F
4 AM
42°F
10%
12mph
WSW
Partly Cloudy
Humidity
89%
Feels like
36°F
Dew Point
39°F
5 AM
41°F
10%
11mph
WSW
Mostly Cloudy
Humidity
94%
Feels like
34°F
Dew Point
39°F
6 AM
40°F
10%
12mph
W
Cloudy
Humidity
96%
Feels like
32°F
Dew Point
39°F
7 AM
38°F
10%
12mph
W
Cloudy
Humidity
98%
Feels like
30°F
Dew Point
37°F
7:03 AM
8 AM
38°F
10%
13mph
W
Mostly Cloudy
Humidity
92%
Feels like
29°F
Dew Point
35°F
9 AM
37°F
10%
15mph
W
Mostly Cloudy
Humidity
86%
Feels like
28°F
Dew Point
33°F
10 AM
37°F
10%
15mph
WNW
Mostly Cloudy
Humidity
84%
Feels like
27°F
Dew Point
32°F
11 AM
36°F
10%
16mph
WNW
Mostly Cloudy
Humidity
81%
Feels like
26°F
Dew Point
31°F
12 PM
35°F
10%
16mph
WNW
Mostly Cloudy
Humidity
80%
Feels like
25°F
Dew Point
29°F
1 PM
34°F
10%
15mph
NW
Mostly Cloudy
Humidity
81%
Feels like
24°F
Dew Point
28°F
2 PM
33°F
10%
14mph
NW
Mostly Cloudy
Humidity
80%
Feels like
23°F
Dew Point
27°F
3 PM
32°F
10%
13mph
NW
Mostly Cloudy
Humidity
81%
Feels like
23°F
Dew Point
27°F
4 PM
32°F
0%
11mph
NW
Mostly Cloudy
Humidity
82%
Feels like
23°F
Dew Point
27°F
4:32 PM
5 PM
32°F
0%
10mph
NW
Mostly Cloudy
Humidity
84%
Feels like
23°F
Dew Point
27°F
6 PM
32°F
0%
9mph
NW
Mostly Cloudy
Humidity
83%
Feels like
24°F
Dew Point
27°F
7 PM
31°F
30%
9mph
NW
30% Chance of Snow
Humidity
81%
Feels like
24°F
Dew Point
26°F
8 PM
31°F
30%
8mph
NW
30% Chance of Snow
Humidity
81%
Feels like
23°F
Dew Point
26°F
9 PM
30°F
30%
8mph
NW
30% Chance of Snow
Humidity
83%
Feels like
22°F
Dew Point
25°F
10 PM
29°F
0%
7mph
NW
Mostly Cloudy
Humidity
85%
Feels like
22°F
Dew Point
25°F
11 PM
29°F
10%
6mph
NW
Cloudy
Humidity
86%
Feels like
22°F
Dew Point
25°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today'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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Weather Cameras

Outdoor Sports Guide