Hourly Weather Forecast - Potomac, IL

12 AM
50°F
0%
6mph
NNE
Mostly Cloudy
Humidity
78%
Feels like
47°F
Dew Point
43°F
1 AM
48°F
0%
5mph
NNE
Mostly Cloudy
Humidity
79%
Feels like
46°F
Dew Point
42°F
2 AM
47°F
0%
4mph
NNE
Mostly Cloudy
Humidity
79%
Feels like
45°F
Dew Point
41°F
3 AM
46°F
0%
4mph
NNE
Mostly Cloudy
Humidity
80%
Feels like
44°F
Dew Point
40°F
4 AM
45°F
0%
4mph
NE
Cloudy
Humidity
80%
Feels like
43°F
Dew Point
39°F
5 AM
43°F
0%
3mph
NE
Cloudy
Humidity
82%
Feels like
42°F
Dew Point
38°F
6 AM
42°F
10%
3mph
ENE
Mostly Cloudy
Humidity
85%
Feels like
42°F
Dew Point
38°F
6:53 AM
7 AM
42°F
10%
3mph
ENE
Mostly Cloudy
Humidity
85%
Feels like
42°F
Dew Point
38°F
8 AM
45°F
10%
3mph
E
Mostly Cloudy
Humidity
82%
Feels like
43°F
Dew Point
40°F
9 AM
48°F
10%
4mph
ESE
Partly Cloudy
Humidity
77%
Feels like
47°F
Dew Point
42°F
10 AM
53°F
10%
5mph
SE
Partly Cloudy
Humidity
70%
Feels like
53°F
Dew Point
43°F
11 AM
57°F
10%
6mph
SSE
Partly Cloudy
Humidity
63%
Feels like
57°F
Dew Point
45°F
12 PM
62°F
10%
7mph
S
Partly Cloudy
Humidity
55%
Feels like
62°F
Dew Point
46°F
1 PM
66°F
10%
8mph
S
Partly Cloudy
Humidity
48%
Feels like
66°F
Dew Point
46°F
2 PM
70°F
10%
9mph
SSW
Mostly Sunny
Humidity
43%
Feels like
70°F
Dew Point
46°F
3 PM
72°F
0%
9mph
SSW
Mostly Sunny
Humidity
40%
Feels like
72°F
Dew Point
47°F
4 PM
73°F
0%
10mph
SW
Sunny
Humidity
39%
Feels like
73°F
Dew Point
47°F
5 PM
73°F
0%
9mph
SW
Sunny
Humidity
42%
Feels like
73°F
Dew Point
48°F
6 PM
70°F
0%
8mph
SSW
Sunny
Humidity
46%
Feels like
70°F
Dew Point
49°F
7 PM
68°F
0%
7mph
SSW
Sunny
Humidity
51%
Feels like
68°F
Dew Point
49°F
7:04 PM
8 PM
66°F
0%
8mph
SSW
Clear
Humidity
57%
Feels like
66°F
Dew Point
50°F
9 PM
64°F
0%
9mph
SSW
Clear
Humidity
63%
Feels like
64°F
Dew Point
51°F
10 PM
62°F
0%
9mph
SSW
Clear
Humidity
68%
Feels like
62°F
Dew Point
51°F
11 PM
61°F
0%
9mph
SSW
Clear
Humidity
71%
Feels like
61°F
Dew Point
51°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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