Hourly Weather Forecast - Decatur, IL

12 AM
26°F
10%
11mph
SW
Cloudy
Humidity
60%
Feels like
15°F
Dew Point
14°F
1 AM
25°F
10%
12mph
WSW
Cloudy
Humidity
61%
Feels like
14°F
Dew Point
13°F
2 AM
24°F
10%
12mph
W
Cloudy
Humidity
63%
Feels like
12°F
Dew Point
13°F
3 AM
23°F
10%
13mph
WNW
Cloudy
Humidity
62%
Feels like
11°F
Dew Point
12°F
4 AM
22°F
10%
13mph
WNW
Cloudy
Humidity
65%
Feels like
9°F
Dew Point
12°F
5 AM
21°F
10%
13mph
NW
Cloudy
Humidity
62%
Feels like
9°F
Dew Point
11°F
6 AM
22°F
10%
13mph
NW
Cloudy
Humidity
61%
Feels like
9°F
Dew Point
10°F
7 AM
23°F
20%
13mph
NNW
Cloudy
Humidity
56%
Feels like
11°F
Dew Point
10°F
7:11 AM
8 AM
23°F
20%
13mph
NNW
Cloudy
Humidity
56%
Feels like
11°F
Dew Point
10°F
9 AM
24°F
20%
13mph
NNW
Cloudy
Humidity
55%
Feels like
12°F
Dew Point
10°F
10 AM
23°F
10%
14mph
NNW
Cloudy
Humidity
55%
Feels like
11°F
Dew Point
10°F
11 AM
22°F
10%
14mph
NNW
Cloudy
Humidity
55%
Feels like
9°F
Dew Point
8°F
12 PM
20°F
10%
15mph
NNW
Cloudy
Humidity
55%
Feels like
6°F
Dew Point
6°F
1 PM
19°F
20%
15mph
NNW
Cloudy
Humidity
50%
Feels like
4°F
Dew Point
3°F
2 PM
17°F
20%
14mph
NNW
Cloudy
Humidity
51%
Feels like
3°F
Dew Point
2°F
3 PM
15°F
20%
14mph
NNW
Cloudy
Humidity
53%
Feels like
1°F
Dew Point
1°F
4 PM
14°F
30%
13mph
NNW
30% Chance of Flurries
Humidity
56%
Feels like
-1°F
Dew Point
1°F
5 PM
13°F
30%
13mph
NNW
30% Chance of Heavy Snow
Humidity
56%
Feels like
-1°F
Dew Point
0°F
5:04 PM
6 PM
13°F
30%
12mph
N
30 % Chance of Heavy Snow
Humidity
57%
Feels like
-1°F
Dew Point
1°F
7 PM
13°F
30%
12mph
N
30% Chance of Flurries
Humidity
60%
Feels like
-1°F
Dew Point
2°F
8 PM
13°F
30%
13mph
N
30% Chance of Flurries
Humidity
59%
Feels like
-2°F
Dew Point
1°F
9 PM
12°F
30%
13mph
N
30% Chance Snow Showers
Humidity
59%
Feels like
-3°F
Dew Point
1°F
10 PM
11°F
40%
13mph
N
40% Chance Snow Showers
Humidity
58%
Feels like
-4°F
Dew Point
0°F
11 PM
10°F
40%
13mph
N
40% Chance Snow Showers
Humidity
61%
Feels like
-5°F
Dew Point
0°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and eastern U.S.

Monday's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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