Hourly Weather Forecast - Jerseyville, IL

12 AM
14°F
10%
5mph
ESE
Clear
Humidity
55%
Feels like
6°F
Dew Point
1°F
1 AM
14°F
10%
5mph
SE
Clear
Humidity
56%
Feels like
6°F
Dew Point
1°F
2 AM
15°F
10%
6mph
SE
Clear
Humidity
56%
Feels like
6°F
Dew Point
2°F
3 AM
15°F
10%
6mph
SE
Clear
Humidity
56%
Feels like
6°F
Dew Point
2°F
4 AM
15°F
10%
6mph
SE
Clear
Humidity
56%
Feels like
6°F
Dew Point
2°F
5 AM
15°F
10%
6mph
SE
Clear
Humidity
57%
Feels like
6°F
Dew Point
3°F
6 AM
16°F
10%
7mph
SE
Clear
Humidity
57%
Feels like
6°F
Dew Point
3°F
7 AM
17°F
10%
7mph
SSE
Partly Cloudy
Humidity
55%
Feels like
7°F
Dew Point
4°F
7:13 AM
8 AM
19°F
10%
8mph
SSE
Mostly Cloudy
Humidity
53%
Feels like
9°F
Dew Point
4°F
9 AM
21°F
10%
8mph
SSE
Cloudy
Humidity
50%
Feels like
11°F
Dew Point
5°F
10 AM
23°F
10%
9mph
S
Cloudy
Humidity
46%
Feels like
14°F
Dew Point
6°F
11 AM
26°F
10%
9mph
S
Partly Cloudy
Humidity
43%
Feels like
17°F
Dew Point
7°F
12 PM
29°F
10%
9mph
S
Partly Cloudy
Humidity
40%
Feels like
21°F
Dew Point
8°F
1 PM
31°F
10%
8mph
S
Partly Cloudy
Humidity
39%
Feels like
24°F
Dew Point
9°F
2 PM
33°F
10%
8mph
S
Mostly Sunny
Humidity
39%
Feels like
26°F
Dew Point
10°F
3 PM
34°F
10%
7mph
S
Sunny
Humidity
40%
Feels like
27°F
Dew Point
12°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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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide