Hourly Weather Forecast - Mechanicsburg, IL

10 AM
40°F
0%
14mph
SSW
Partly Cloudy
Humidity
67%
Feels like
32°F
Dew Point
30°F
11 AM
44°F
0%
14mph
SW
Partly Cloudy
Humidity
64%
Feels like
37°F
Dew Point
32°F
12 PM
46°F
0%
13mph
SW
Mostly Cloudy
Humidity
62%
Feels like
40°F
Dew Point
33°F
1 PM
46°F
10%
11mph
WSW
Partly Cloudy
Humidity
61%
Feels like
41°F
Dew Point
34°F
2 PM
46°F
10%
9mph
WNW
Partly Cloudy
Humidity
62%
Feels like
41°F
Dew Point
34°F
3 PM
44°F
10%
10mph
NW
Partly Cloudy
Humidity
65%
Feels like
39°F
Dew Point
33°F
4 PM
42°F
10%
10mph
NNW
Partly Cloudy
Humidity
69%
Feels like
36°F
Dew Point
33°F
4:35 PM
5 PM
39°F
10%
9mph
NNW
Partly Cloudy
Humidity
75%
Feels like
33°F
Dew Point
32°F
6 PM
36°F
10%
9mph
NNW
Partly Cloudy
Humidity
79%
Feels like
29°F
Dew Point
30°F
7 PM
34°F
10%
8mph
NNW
Partly Cloudy
Humidity
80%
Feels like
27°F
Dew Point
29°F
8 PM
33°F
10%
8mph
NW
Partly Cloudy
Humidity
80%
Feels like
26°F
Dew Point
27°F
9 PM
31°F
10%
8mph
NW
Mostly Clear
Humidity
79%
Feels like
24°F
Dew Point
25°F
10 PM
30°F
10%
7mph
NW
Mostly Clear
Humidity
78%
Feels like
23°F
Dew Point
24°F
11 PM
29°F
10%
7mph
NW
Clear
Humidity
77%
Feels like
22°F
Dew Point
23°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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