Hourly Weather Forecast - Altamont, IL

9 AM
34°F
0%
9mph
SSW
Hazy
Humidity
93%
Feels like
27°F
Dew Point
32°F
10 AM
37°F
0%
9mph
SSW
Sunny
Humidity
89%
Feels like
30°F
Dew Point
34°F
11 AM
39°F
0%
10mph
SW
Mostly Sunny
Humidity
84%
Feels like
33°F
Dew Point
35°F
12 PM
41°F
0%
10mph
SW
Partly Cloudy
Humidity
80%
Feels like
35°F
Dew Point
35°F
1 PM
42°F
0%
9mph
SSW
Partly Cloudy
Humidity
78%
Feels like
37°F
Dew Point
36°F
2 PM
43°F
0%
9mph
SSW
Partly Cloudy
Humidity
77%
Feels like
38°F
Dew Point
36°F
3 PM
42°F
0%
9mph
S
Partly Cloudy
Humidity
79%
Feels like
37°F
Dew Point
37°F
4 PM
41°F
0%
9mph
S
Mostly Cloudy
Humidity
82%
Feels like
36°F
Dew Point
36°F
4:32 PM
5 PM
40°F
0%
10mph
S
Mostly Cloudy
Humidity
83%
Feels like
34°F
Dew Point
36°F
6 PM
40°F
10%
11mph
S
Cloudy
Humidity
81%
Feels like
33°F
Dew Point
35°F
7 PM
40°F
10%
13mph
SSW
Cloudy
Humidity
81%
Feels like
33°F
Dew Point
35°F
8 PM
41°F
10%
13mph
SSW
Cloudy
Humidity
80%
Feels like
33°F
Dew Point
35°F
9 PM
41°F
10%
14mph
SSW
Cloudy
Humidity
80%
Feels like
34°F
Dew Point
35°F
10 PM
42°F
10%
14mph
SSW
Cloudy
Humidity
79%
Feels like
35°F
Dew Point
36°F
11 PM
42°F
10%
14mph
SW
Cloudy
Humidity
78%
Feels like
35°F
Dew Point
36°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

Traffic Cameras

Weather Cameras

Outdoor Sports Guide