Flood Watch 9:00 AM Flood Watch 10:00 AM Flood Watch 1:00 PM Flood Watch 4:00 AM

Henderson County, Illinois, United States

Last updated: 12:16 PM CDT  ·  Refresh
22°C
Feels like 24°
Overcast
▲ 24°  /  ▼ 16°
Wind
5 mph N
Humidity
89%
Dew Point
20°
Pressure
29.22 inHg
Visibility
10 mi
UV Index
2.5
Cloud Cover
98%
Sunrise
6:49 AM
Sunset
7:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Henderson County is currently overcast at 22°C. Precipitation is likely — peak probability 77% around 12 PM. Sunrise: 6:49AM · Sunset: 7:03PM.

Alerts

Flood Watch
Expires 9:00 AM
Flood Watch
Expires 10:00 AM
Flood Watch
Expires 1:00 PM
Flood Watch
Expires 4:00 AM
33 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
76%
1 PM
22°
61%
2 PM
22°
70%
3 PM
21°
59%
4 PM
21°
58%
5 PM
21°
48%
6 PM
20°
45%
7 PM
20°
54%
8 PM
19°
57%
9 PM
18°
53%
10 PM
18°
53%
11 PM
18°
54%
12 AM
18°
45%
1 AM
17°
46%
2 AM
17°
46%
3 AM
17°
46%
4 AM
17°
47%
5 AM
16°
47%
6 AM
16°
43%
7 AM
16°
44%
8 AM
16°
47%
9 AM
16°
38%
10 AM
16°
24%
11 AM
16°
23%
7-Day Forecast
Today
24° 16°
Overcast with a 76% chance of rain.
Mon
20° 14°
Overcast with a 46% chance of rain.
Tue
17° 11°
Overcast with a 56% chance of rain.
Wed
22° 9°
Partly Cloudy.
Thu
23° 10°
Clear.
Fri
23° 13°
Clear.
Sat
22° 13°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 22° Overcast 76% 5 mph N 89%
1 PM 22° Overcast 61% 6 mph NNE 88%
2 PM 22° Overcast 70% 8 mph NE 89%
3 PM 21° Overcast 59% 11 mph NE 90%
4 PM 21° Overcast 58% 13 mph NE 90%
5 PM 21° Overcast 48% 13 mph NE 90%
6 PM 20° Overcast 45% 12 mph NE 91%
7 PM 20° Overcast 54% 12 mph NE 91%
8 PM 19° Overcast 57% 12 mph NE 91%
9 PM 18° Overcast 53% 12 mph NE 90%
10 PM 18° Overcast 53% 13 mph ENE 90%
11 PM 18° Overcast 54% 12 mph ENE 90%
12 AM 18° Overcast 45% 12 mph ENE 90%
1 AM 17° Overcast 46% 12 mph ENE 90%
2 AM 17° Overcast 46% 12 mph ENE 90%
3 AM 17° Overcast 46% 11 mph ENE 90%
4 AM 17° Overcast 47% 11 mph ENE 89%
5 AM 16° Overcast 47% 12 mph ENE 89%
6 AM 16° Overcast 43% 12 mph ENE 88%
7 AM 16° Overcast 44% 12 mph ENE 88%
8 AM 16° Overcast 47% 12 mph ENE 88%
9 AM 16° Overcast 38% 12 mph ENE 88%
10 AM 16° Overcast 24% 11 mph ENE 88%
11 AM 16° Overcast 23% 11 mph ENE 88%
15-Day Forecast
Today
9/20
Overcast
76%
16°
24°
Mon
9/21
Overcast
46%
14°
20°
Tue
9/22
Overcast
56%
11°
17°
Wed
9/23
Partly Cloudy
3%
9°
22°
Thu
9/24
Clear
3%
10°
23°
Fri
9/25
Clear
8%
13°
23°
Sat
9/26
Clear
17%
13°
22°
Sun
9/27
Drizzle
42%
12°
24°
Mon
9/28
Clear
43%
13°
26°
Tue
9/29
Drizzle
51%
14°
24°
Wed
9/30
Drizzle
60%
14°
24°
Thu
10/1
Drizzle
60%
13°
24°
Fri
10/2
Drizzle
60%
12°
23°
Sat
10/3
Clear
25%
11°
23°
Sun
10/4
Drizzle
60%
11°
22°
33
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
21 AQI 3.8 µg/m³
O3
Ground-level ozone
Dominant
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 33 Good 33 21
Tue 28 Good 24 28
Wed 30 Good 30 22
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

Model sounding data is unavailable for this location.