Hourly Weather Forecast - Forreston, IL

12 AM
-6°F
10%
11mph
NW
Very Cold
Humidity
80%
Feels like
-24°F
Dew Point
-10°F
1 AM
-7°F
0%
11mph
NW
Very Cold
Humidity
80%
Feels like
-25°F
Dew Point
-11°F
2 AM
-7°F
0%
11mph
NW
Very Cold
Humidity
81%
Feels like
-26°F
Dew Point
-12°F
3 AM
-8°F
0%
11mph
NW
Very Cold
Humidity
81%
Feels like
-27°F
Dew Point
-12°F
4 AM
-9°F
0%
11mph
NW
Very Cold
Humidity
81%
Feels like
-28°F
Dew Point
-13°F
5 AM
-9°F
0%
11mph
NW
Very Cold
Humidity
82%
Feels like
-28°F
Dew Point
-13°F
6 AM
-9°F
0%
10mph
NW
Very Cold
Humidity
83%
Feels like
-28°F
Dew Point
-13°F
7 AM
-9°F
0%
10mph
NW
Very Cold
Humidity
84%
Feels like
-26°F
Dew Point
-12°F
7:18 AM
8 AM
-7°F
0%
9mph
NW
Very Cold
Humidity
85%
Feels like
-24°F
Dew Point
-11°F
9 AM
-5°F
0%
8mph
NW
Very Cold
Humidity
83%
Feels like
-21°F
Dew Point
-9°F
10 AM
-3°F
0%
8mph
NW
Very Cold
Humidity
80%
Feels like
-17°F
Dew Point
-7°F
11 AM
0°F
0%
7mph
NW
Sunny
Humidity
77%
Feels like
-13°F
Dew Point
-5°F
12 PM
2°F
0%
6mph
WNW
Sunny
Humidity
75%
Feels like
-10°F
Dew Point
-4°F
1 PM
3°F
0%
6mph
WNW
Sunny
Humidity
75%
Feels like
-8°F
Dew Point
-3°F
2 PM
4°F
0%
6mph
W
Mostly Sunny
Humidity
76%
Feels like
-7°F
Dew Point
-2°F
3 PM
3°F
0%
6mph
W
Mostly Sunny
Humidity
78%
Feels like
-8°F
Dew Point
-2°F
4 PM
2°F
0%
5mph
WSW
Partly Cloudy
Humidity
82%
Feels like
-9°F
Dew Point
-3°F
4:27 PM
5 PM
-1°F
0%
5mph
WSW
Very Cold
Humidity
85%
Feels like
-11°F
Dew Point
-4°F
6 PM
-3°F
0%
4mph
SW
Very Cold
Humidity
89%
Feels like
-13°F
Dew Point
-5°F
7 PM
-4°F
0%
5mph
SW
Very Cold
Humidity
91%
Feels like
-15°F
Dew Point
-6°F
8 PM
-5°F
0%
5mph
SW
Very Cold
Humidity
91%
Feels like
-17°F
Dew Point
-7°F
9 PM
-6°F
0%
5mph
SW
Very Cold
Humidity
91%
Feels like
-18°F
Dew Point
-8°F
10 PM
-6°F
0%
6mph
SSW
Very Cold
Humidity
90%
Feels like
-18°F
Dew Point
-8°F
11 PM
-5°F
0%
6mph
SSW
Very Cold
Humidity
89%
Feels like
-19°F
Dew Point
-8°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday'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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Traffic Cameras

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Outdoor Sports Guide