Hourly Weather Forecast - Mechanicsburg, IL

12 AM
29°F
10%
7mph
NW
Clear
Humidity
76%
Feels like
21°F
Dew Point
22°F
1 AM
28°F
10%
6mph
NW
Clear
Humidity
77%
Feels like
21°F
Dew Point
22°F
2 AM
27°F
10%
6mph
NW
Clear
Humidity
78%
Feels like
21°F
Dew Point
21°F
3 AM
27°F
10%
5mph
NW
Clear
Humidity
79%
Feels like
20°F
Dew Point
21°F
4 AM
26°F
10%
5mph
NW
Clear
Humidity
80%
Feels like
20°F
Dew Point
20°F
5 AM
25°F
10%
4mph
NW
Mostly Clear
Humidity
81%
Feels like
19°F
Dew Point
20°F
6 AM
24°F
10%
4mph
NNW
Mostly Clear
Humidity
81%
Feels like
19°F
Dew Point
19°F
7 AM
25°F
10%
4mph
NNW
Mostly Clear
Humidity
79%
Feels like
20°F
Dew Point
19°F
7:15 AM
8 AM
26°F
10%
4mph
N
Sunny
Humidity
75%
Feels like
21°F
Dew Point
19°F
9 AM
27°F
10%
4mph
N
Sunny
Humidity
71%
Feels like
23°F
Dew Point
19°F
10 AM
29°F
10%
3mph
NNE
Sunny
Humidity
65%
Feels like
29°F
Dew Point
19°F
11 AM
32°F
10%
2mph
ENE
Sunny
Humidity
59%
Feels like
32°F
Dew Point
19°F
12 PM
34°F
10%
3mph
ESE
Sunny
Humidity
54%
Feels like
34°F
Dew Point
19°F
1 PM
35°F
10%
3mph
ESE
Sunny
Humidity
51%
Feels like
33°F
Dew Point
19°F
2 PM
36°F
10%
3mph
ESE
Sunny
Humidity
50%
Feels like
34°F
Dew Point
19°F
3 PM
36°F
10%
4mph
SE
Sunny
Humidity
51%
Feels like
34°F
Dew Point
20°F
4 PM
35°F
10%
3mph
SE
Mostly Sunny
Humidity
56%
Feels like
32°F
Dew Point
21°F
4:36 PM
5 PM
33°F
10%
3mph
SE
Partly Cloudy
Humidity
63%
Feels like
29°F
Dew Point
21°F
6 PM
31°F
10%
4mph
SE
Partly Cloudy
Humidity
69%
Feels like
27°F
Dew Point
22°F
7 PM
29°F
20%
4mph
SE
Partly Cloudy
Humidity
72%
Feels like
25°F
Dew Point
22°F
8 PM
29°F
20%
5mph
SE
Partly Cloudy
Humidity
73%
Feels like
23°F
Dew Point
21°F
9 PM
28°F
20%
5mph
SE
Partly Cloudy
Humidity
74%
Feels like
22°F
Dew Point
21°F
10 PM
28°F
20%
6mph
SE
Partly Cloudy
Humidity
74%
Feels like
22°F
Dew Point
21°F
11 PM
29°F
20%
6mph
SE
Mostly Clear
Humidity
73%
Feels like
22°F
Dew Point
21°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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