Hourly Weather Forecast - Potomac, IL

12 AM
38°F
0%
4mph
SE
Cloudy
Humidity
85%
Feels like
35°F
Dew Point
34°F
1 AM
38°F
0%
4mph
SE
Cloudy
Humidity
87%
Feels like
35°F
Dew Point
34°F
2 AM
37°F
10%
3mph
SE
Cloudy
Humidity
89%
Feels like
35°F
Dew Point
34°F
3 AM
37°F
20%
3mph
ESE
Cloudy
Humidity
90%
Feels like
35°F
Dew Point
35°F
4 AM
37°F
30%
3mph
ESE
30% Chance of Light Rain
Humidity
91%
Feels like
35°F
Dew Point
35°F
5 AM
37°F
40%
4mph
ESE
40% Chance of Light Rain
Humidity
92%
Feels like
35°F
Dew Point
35°F
6 AM
38°F
60%
4mph
ESE
60% Chance of Light Rain
Humidity
93%
Feels like
34°F
Dew Point
36°F
6:22 AM
7 AM
38°F
80%
5mph
ESE
80% Chance of Light Rain
Humidity
95%
Feels like
35°F
Dew Point
37°F
8 AM
40°F
90%
6mph
SE
Light Rain
Humidity
97%
Feels like
36°F
Dew Point
39°F
9 AM
41°F
90%
6mph
SE
Light Rain
Humidity
98%
Feels like
37°F
Dew Point
41°F
10 AM
43°F
80%
6mph
SE
80% Chance of Light Rain
Humidity
98%
Feels like
39°F
Dew Point
43°F
11 AM
45°F
70%
8mph
SSE
70% Chance of Light Rain
Humidity
97%
Feels like
41°F
Dew Point
44°F
12 PM
47°F
80%
8mph
SSE
80% Chance of Light Rain
Humidity
97%
Feels like
43°F
Dew Point
46°F
1 PM
48°F
90%
8mph
SSE
Light Rain
Humidity
96%
Feels like
45°F
Dew Point
47°F
2 PM
50°F
90%
7mph
S
Thunderstorms
Humidity
96%
Feels like
47°F
Dew Point
49°F
3 PM
50°F
80%
6mph
S
80% Chance of Light Rain
Humidity
96%
Feels like
50°F
Dew Point
49°F
4 PM
50°F
70%
4mph
S
70% Chance of Light Rain
Humidity
97%
Feels like
50°F
Dew Point
49°F
5 PM
49°F
70%
2mph
SE
70% Chance of Rain
Humidity
99%
Feels like
49°F
Dew Point
49°F
5:44 PM
6 PM
49°F
80%
3mph
E
80% Chance of Rain
Humidity
100%
Feels like
48°F
Dew Point
49°F
7 PM
48°F
90%
4mph
E
Rain
Humidity
100%
Feels like
46°F
Dew Point
48°F
8 PM
48°F
100%
5mph
E
Rain
Humidity
100%
Feels like
46°F
Dew Point
48°F
9 PM
47°F
100%
5mph
E
Rain
Humidity
100%
Feels like
45°F
Dew Point
47°F
10 PM
47°F
100%
6mph
E
Rain
Humidity
100%
Feels like
45°F
Dew Point
47°F
11 PM
47°F
100%
5mph
E
Rain
Humidity
100%
Feels like
45°F
Dew Point
47°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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