Hourly Weather Forecast - Sparta, IL

12 AM
17°F
0%
6mph
E
Clear
Humidity
57%
Feels like
9°F
Dew Point
4°F
1 AM
17°F
0%
5mph
E
Clear
Humidity
59%
Feels like
9°F
Dew Point
5°F
2 AM
17°F
10%
5mph
E
Clear
Humidity
60%
Feels like
8°F
Dew Point
5°F
3 AM
16°F
10%
5mph
E
Clear
Humidity
62%
Feels like
8°F
Dew Point
6°F
4 AM
16°F
10%
5mph
ESE
Clear
Humidity
65%
Feels like
8°F
Dew Point
6°F
5 AM
16°F
10%
6mph
ESE
Clear
Humidity
68%
Feels like
8°F
Dew Point
8°F
6 AM
17°F
10%
6mph
SE
Clear
Humidity
66%
Feels like
9°F
Dew Point
8°F
7 AM
19°F
10%
6mph
SE
Clear
Humidity
67%
Feels like
10°F
Dew Point
10°F
7:07 AM
8 AM
21°F
10%
7mph
SSE
Sunny
Humidity
60%
Feels like
12°F
Dew Point
10°F
9 AM
24°F
10%
8mph
SSE
Sunny
Humidity
54%
Feels like
15°F
Dew Point
10°F
10 AM
27°F
10%
8mph
SSE
Partly Cloudy
Humidity
50%
Feels like
19°F
Dew Point
11°F
11 AM
30°F
10%
9mph
S
Mostly Cloudy
Humidity
45%
Feels like
23°F
Dew Point
11°F
12 PM
33°F
10%
9mph
S
Cloudy
Humidity
40%
Feels like
26°F
Dew Point
12°F
1 PM
35°F
10%
8mph
S
Cloudy
Humidity
38%
Feels like
29°F
Dew Point
13°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 Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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

Weather Cameras

Outdoor Sports Guide