Hourly Weather Forecast - Altamont, IL

12 AM
48°F
10%
4mph
S
Foggy
Humidity
100%
Feels like
47°F
Dew Point
48°F
1 AM
47°F
10%
4mph
S
Foggy
Humidity
100%
Feels like
46°F
Dew Point
47°F
2 AM
46°F
20%
4mph
SSE
Foggy
Humidity
100%
Feels like
45°F
Dew Point
46°F
3 AM
46°F
30%
4mph
SSE
30% Chance of Light Rain
Humidity
100%
Feels like
44°F
Dew Point
46°F
4 AM
46°F
30%
4mph
SSE
30% Chance of Light Rain
Humidity
100%
Feels like
44°F
Dew Point
46°F
5 AM
46°F
30%
4mph
SSE
30% Chance of Light Rain
Humidity
100%
Feels like
43°F
Dew Point
46°F
6 AM
44°F
40%
5mph
SSE
40% Chance Rain Showers
Humidity
100%
Feels like
42°F
Dew Point
44°F
7 AM
44°F
40%
5mph
SSE
40% Chance Rain Showers
Humidity
100%
Feels like
41°F
Dew Point
44°F
7:11 AM
8 AM
44°F
40%
5mph
SSE
40% Chance of Light Rain
Humidity
100%
Feels like
40°F
Dew Point
44°F
9 AM
45°F
30%
6mph
S
30% Chance of Light Rain
Humidity
100%
Feels like
42°F
Dew Point
45°F
10 AM
46°F
20%
6mph
S
Foggy
Humidity
100%
Feels like
43°F
Dew Point
46°F
11 AM
48°F
30%
6mph
S
30% Chance of Light Rain
Humidity
100%
Feels like
45°F
Dew Point
48°F
12 PM
49°F
30%
6mph
SSW
30% Chance of Light Rain
Humidity
100%
Feels like
47°F
Dew Point
49°F

Forecast Peak Wind Gusts Today

Clipper System Blasts Central, Eastern U.S. With Winter Impacts

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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