Hourly Weather Forecast - Grand Detour, IL

12 AM
30°F
0%
11mph
S
Mostly Clear
Humidity
83%
Feels like
20°F
Dew Point
25°F
1 AM
29°F
0%
11mph
S
Mostly Clear
Humidity
85%
Feels like
20°F
Dew Point
26°F
2 AM
29°F
0%
11mph
S
Mostly Clear
Humidity
88%
Feels like
20°F
Dew Point
26°F
3 AM
29°F
0%
11mph
S
Partly Cloudy
Humidity
90%
Feels like
20°F
Dew Point
27°F
4 AM
29°F
0%
10mph
SSW
Partly Cloudy
Humidity
92%
Feels like
20°F
Dew Point
27°F
5 AM
29°F
0%
9mph
SSW
Partly Cloudy
Humidity
95%
Feels like
20°F
Dew Point
27°F
6 AM
29°F
0%
8mph
SSW
Partly Cloudy
Humidity
98%
Feels like
21°F
Dew Point
28°F
7 AM
30°F
0%
8mph
SSW
Partly Cloudy
Humidity
98%
Feels like
22°F
Dew Point
29°F
7:25 AM
8 AM
31°F
0%
8mph
SSW
Mostly Cloudy
Humidity
97%
Feels like
24°F
Dew Point
30°F
9 AM
33°F
0%
8mph
SSW
Cloudy
Humidity
95%
Feels like
26°F
Dew Point
32°F
10 AM
36°F
0%
8mph
SW
Mostly Cloudy
Humidity
91%
Feels like
30°F
Dew Point
33°F
11 AM
38°F
0%
7mph
SW
Mostly Cloudy
Humidity
85%
Feels like
33°F
Dew Point
34°F
12 PM
40°F
0%
7mph
WSW
Mostly Cloudy
Humidity
81%
Feels like
36°F
Dew Point
35°F
1 PM
42°F
0%
7mph
WSW
Mostly Cloudy
Humidity
79%
Feels like
37°F
Dew Point
36°F
2 PM
42°F
0%
6mph
SW
Mostly Cloudy
Humidity
79%
Feels like
38°F
Dew Point
36°F
3 PM
41°F
0%
5mph
SW
Cloudy
Humidity
80%
Feels like
38°F
Dew Point
36°F
4 PM
40°F
0%
4mph
SSW
Cloudy
Humidity
84%
Feels like
38°F
Dew Point
36°F
4:40 PM
5 PM
38°F
0%
4mph
S
Cloudy
Humidity
89%
Feels like
36°F
Dew Point
35°F
6 PM
37°F
0%
4mph
SSE
Cloudy
Humidity
93%
Feels like
34°F
Dew Point
35°F
7 PM
37°F
0%
4mph
SSE
Cloudy
Humidity
95%
Feels like
33°F
Dew Point
35°F
8 PM
36°F
0%
4mph
SSE
Cloudy
Humidity
97%
Feels like
33°F
Dew Point
35°F
9 PM
36°F
0%
3mph
S
Cloudy
Humidity
97%
Feels like
33°F
Dew Point
35°F
10 PM
35°F
0%
3mph
S
Cloudy
Humidity
97%
Feels like
33°F
Dew Point
35°F
11 PM
35°F
0%
3mph
S
Cloudy
Humidity
98%
Feels like
32°F
Dew Point
34°F

Rain and Snow Totals Through Monday

Rain and Mountain Snow To Target Northern California

A parade of storms will impact northern California later today into Monday bringing locally heavy rain and mountain snow.

Weekend Weather Outlook

Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide