Hourly Weather Forecast - Lewistown, IL

7:12 AM
8 AM
34°F
70%
20mph
WNW
70% Chance of Flurries
Humidity
85%
Feels like
23°F
Dew Point
30°F
9 AM
33°F
70%
19mph
WNW
70% Chance of Flurries
Humidity
86%
Feels like
21°F
Dew Point
29°F
10 AM
33°F
30%
19mph
NW
30% Chance Frozen Mix
Humidity
86%
Feels like
21°F
Dew Point
29°F
11 AM
33°F
0%
19mph
NW
Cloudy
Humidity
85%
Feels like
21°F
Dew Point
29°F
12 PM
33°F
0%
18mph
NW
Cloudy
Humidity
83%
Feels like
22°F
Dew Point
28°F
1 PM
33°F
0%
17mph
NW
Cloudy
Humidity
80%
Feels like
22°F
Dew Point
28°F
2 PM
33°F
0%
16mph
NW
Cloudy
Humidity
78%
Feels like
22°F
Dew Point
26°F
3 PM
32°F
0%
15mph
NW
Cloudy
Humidity
76%
Feels like
22°F
Dew Point
26°F
4 PM
31°F
0%
14mph
NW
Cloudy
Humidity
76%
Feels like
21°F
Dew Point
25°F
4:34 PM
5 PM
30°F
0%
12mph
NW
Cloudy
Humidity
78%
Feels like
21°F
Dew Point
24°F
6 PM
29°F
0%
11mph
NW
Cloudy
Humidity
80%
Feels like
20°F
Dew Point
24°F
7 PM
29°F
0%
10mph
NW
Cloudy
Humidity
82%
Feels like
20°F
Dew Point
24°F
8 PM
28°F
30%
10mph
NW
30% Chance Frozen Mix
Humidity
85%
Feels like
19°F
Dew Point
24°F
9 PM
27°F
30%
10mph
NW
30% Chance of Snow
Humidity
86%
Feels like
18°F
Dew Point
24°F
10 PM
26°F
0%
10mph
NW
Cloudy
Humidity
85%
Feels like
17°F
Dew Point
22°F
11 PM
26°F
30%
10mph
NW
30% Chance of Snow
Humidity
82%
Feels like
16°F
Dew Point
21°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak 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

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Allergy Forecast

Snow & Ski Forecast

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