Hourly Weather Forecast - Mechanicsburg, IL

12 AM
39°F
0%
5mph
E
Cloudy
Humidity
94%
Feels like
36°F
Dew Point
38°F
1 AM
39°F
0%
6mph
E
Cloudy
Humidity
93%
Feels like
35°F
Dew Point
37°F
2 AM
39°F
0%
6mph
E
Cloudy
Humidity
92%
Feels like
34°F
Dew Point
37°F
3 AM
39°F
10%
7mph
E
Cloudy
Humidity
92%
Feels like
34°F
Dew Point
37°F
4 AM
39°F
20%
7mph
ESE
Cloudy
Humidity
92%
Feels like
34°F
Dew Point
37°F
5 AM
39°F
30%
8mph
ESE
30% Chance of Light Rain
Humidity
93%
Feels like
33°F
Dew Point
37°F
6 AM
40°F
30%
9mph
ESE
30% Chance of Light Rain
Humidity
93%
Feels like
34°F
Dew Point
38°F
7 AM
41°F
30%
9mph
SE
30% Chance of Light Rain
Humidity
93%
Feels like
35°F
Dew Point
39°F
7:16 AM
8 AM
42°F
10%
9mph
SE
Cloudy
Humidity
93%
Feels like
37°F
Dew Point
40°F
9 AM
44°F
10%
10mph
SE
Cloudy
Humidity
93%
Feels like
39°F
Dew Point
42°F
10 AM
47°F
10%
10mph
SE
Cloudy
Humidity
91%
Feels like
42°F
Dew Point
44°F
11 AM
50°F
10%
11mph
SSE
Cloudy
Humidity
89%
Feels like
50°F
Dew Point
47°F
12 PM
53°F
10%
12mph
SSE
Cloudy
Humidity
87%
Feels like
53°F
Dew Point
49°F
1 PM
55°F
10%
11mph
SSE
Cloudy
Humidity
86%
Feels like
55°F
Dew Point
51°F
2 PM
56°F
10%
11mph
SSE
Mostly Cloudy
Humidity
86%
Feels like
56°F
Dew Point
52°F
3 PM
57°F
10%
11mph
SSE
Mostly Cloudy
Humidity
86%
Feels like
57°F
Dew Point
53°F
4 PM
57°F
10%
11mph
S
Mostly Cloudy
Humidity
88%
Feels like
57°F
Dew Point
54°F
4:37 PM
5 PM
56°F
10%
10mph
S
Partly Cloudy
Humidity
91%
Feels like
56°F
Dew Point
54°F
6 PM
56°F
10%
10mph
S
Partly Cloudy
Humidity
94%
Feels like
56°F
Dew Point
54°F
7 PM
56°F
10%
10mph
S
Partly Cloudy
Humidity
95%
Feels like
56°F
Dew Point
55°F
8 PM
57°F
10%
10mph
S
Mostly Cloudy
Humidity
96%
Feels like
57°F
Dew Point
56°F
9 PM
58°F
20%
11mph
S
Mostly Cloudy
Humidity
97%
Feels like
58°F
Dew Point
57°F
10 PM
58°F
20%
11mph
SSW
Mostly Cloudy
Humidity
96%
Feels like
58°F
Dew Point
57°F
11 PM
59°F
30%
11mph
SSW
30% Chance of Light Rain
Humidity
96%
Feels like
59°F
Dew Point
58°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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