Hourly Weather Forecast - Marion, IL

12 AM
24°F
10%
8mph
N
Cloudy
Humidity
83%
Feels like
15°F
Dew Point
19°F
1 AM
22°F
10%
8mph
N
Cloudy
Humidity
86%
Feels like
14°F
Dew Point
19°F
2 AM
22°F
10%
8mph
N
Mostly Cloudy
Humidity
90%
Feels like
12°F
Dew Point
19°F
3 AM
21°F
10%
8mph
N
Mostly Cloudy
Humidity
88%
Feels like
12°F
Dew Point
18°F
4 AM
20°F
10%
8mph
N
Mostly Cloudy
Humidity
87%
Feels like
11°F
Dew Point
17°F
5 AM
20°F
10%
8mph
N
Cloudy
Humidity
83%
Feels like
10°F
Dew Point
16°F
6 AM
19°F
10%
7mph
N
Mostly Cloudy
Humidity
82%
Feels like
10°F
Dew Point
15°F
7 AM
20°F
10%
7mph
N
Partly Cloudy
Humidity
85%
Feels like
10°F
Dew Point
16°F
7:02 AM
8 AM
21°F
10%
8mph
N
Mostly Sunny
Humidity
80%
Feels like
11°F
Dew Point
16°F
9 AM
23°F
10%
8mph
N
Sunny
Humidity
72%
Feels like
14°F
Dew Point
15°F
10 AM
25°F
10%
8mph
N
Sunny
Humidity
65%
Feels like
16°F
Dew Point
15°F
11 AM
27°F
10%
8mph
N
Sunny
Humidity
55%
Feels like
18°F
Dew Point
13°F
12 PM
28°F
10%
8mph
N
Sunny
Humidity
53%
Feels like
19°F
Dew Point
13°F
1 PM
28°F
10%
8mph
N
Sunny
Humidity
50%
Feels like
20°F
Dew Point
12°F
2 PM
28°F
10%
8mph
N
Sunny
Humidity
49%
Feels like
20°F
Dew Point
11°F
3 PM
27°F
10%
7mph
N
Sunny
Humidity
48%
Feels like
19°F
Dew Point
10°F
4 PM
25°F
10%
7mph
NNE
Sunny
Humidity
49%
Feels like
18°F
Dew Point
9°F
4:37 PM
5 PM
24°F
10%
6mph
NNE
Clear
Humidity
54%
Feels like
17°F
Dew Point
9°F
6 PM
21°F
10%
5mph
NNE
Clear
Humidity
60%
Feels like
14°F
Dew Point
10°F
7 PM
20°F
0%
5mph
NE
Clear
Humidity
58%
Feels like
13°F
Dew Point
7°F
8 PM
18°F
0%
5mph
NE
Clear
Humidity
65%
Feels like
11°F
Dew Point
8°F
9 PM
17°F
0%
5mph
NE
Clear
Humidity
66%
Feels like
10°F
Dew Point
8°F
10 PM
16°F
0%
5mph
NE
Clear
Humidity
70%
Feels like
9°F
Dew Point
8°F
11 PM
15°F
0%
4mph
ENE
Clear
Humidity
72%
Feels like
8°F
Dew Point
8°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts the Northwest

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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Outdoor Sports Guide