Hourly Weather Forecast - Potomac, IL

12 AM
40°F
30%
16mph
N
30% Chance Rain Showers
Humidity
76%
Feels like
31°F
Dew Point
33°F
1 AM
39°F
20%
16mph
N
Mostly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
32°F
2 AM
38°F
10%
15mph
N
Mostly Cloudy
Humidity
77%
Feels like
29°F
Dew Point
31°F
3 AM
37°F
0%
15mph
N
Mostly Cloudy
Humidity
77%
Feels like
28°F
Dew Point
31°F
4 AM
36°F
0%
14mph
N
Cloudy
Humidity
78%
Feels like
27°F
Dew Point
30°F
5 AM
35°F
0%
13mph
N
Cloudy
Humidity
78%
Feels like
27°F
Dew Point
29°F
6 AM
35°F
0%
12mph
N
Cloudy
Humidity
78%
Feels like
26°F
Dew Point
28°F
6:50 AM
7 AM
35°F
0%
12mph
N
Cloudy
Humidity
76%
Feels like
26°F
Dew Point
28°F
8 AM
36°F
0%
12mph
N
Cloudy
Humidity
73%
Feels like
27°F
Dew Point
28°F
9 AM
37°F
0%
12mph
N
Mostly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
28°F
10 AM
39°F
0%
12mph
N
Mostly Cloudy
Humidity
65%
Feels like
32°F
Dew Point
28°F
11 AM
42°F
0%
12mph
N
Mostly Cloudy
Humidity
59%
Feels like
35°F
Dew Point
28°F
12 PM
44°F
0%
12mph
N
Partly Cloudy
Humidity
53%
Feels like
38°F
Dew Point
28°F
1 PM
46°F
0%
11mph
N
Partly Cloudy
Humidity
48%
Feels like
41°F
Dew Point
28°F
2 PM
48°F
0%
11mph
N
Partly Cloudy
Humidity
45%
Feels like
43°F
Dew Point
28°F
3 PM
49°F
0%
11mph
N
Mostly Sunny
Humidity
42%
Feels like
45°F
Dew Point
28°F
4 PM
50°F
0%
10mph
N
Sunny
Humidity
41%
Feels like
50°F
Dew Point
28°F
5 PM
49°F
0%
9mph
N
Sunny
Humidity
42%
Feels like
45°F
Dew Point
27°F
6 PM
47°F
0%
7mph
NNE
Sunny
Humidity
44%
Feels like
44°F
Dew Point
27°F
7 PM
45°F
0%
6mph
NNE
Sunny
Humidity
47%
Feels like
42°F
Dew Point
26°F
7:06 PM
8 PM
43°F
0%
5mph
NE
Mostly Clear
Humidity
51%
Feels like
40°F
Dew Point
26°F
9 PM
41°F
0%
4mph
ENE
Partly Cloudy
Humidity
56%
Feels like
38°F
Dew Point
26°F
10 PM
38°F
0%
4mph
ENE
Partly Cloudy
Humidity
60%
Feels like
35°F
Dew Point
26°F
11 PM
37°F
0%
4mph
E
Partly Cloudy
Humidity
62%
Feels like
34°F
Dew Point
25°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.

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Today's Weather Outlook

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Weekly Drought Map for March 19, 2026

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

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

When Does Spring Begin?

(Image provided by Pixabay.com)

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