Excessive Heat Warning — Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 9:00 PM Extreme Heat Watch 10:00 PM

Henderson County, Illinois, United States

Last updated: 8:57 AM CDT  ·  Refresh
27°C
Feels like 31°
Haze
▲ 36°  /  ▼ 23°
Wind
4 mph S
Humidity
89%
Dew Point
25°
Pressure
29.21 inHg
Visibility
1 mi
UV Index
4.4
Cloud Cover
76%
Sunrise
5:54 AM
Sunset
8:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Henderson County is currently haze at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4500 J/kg) — isolated convective development possible. Sunrise: 5:54AM · Sunset: 8:25PM.

Alerts

Excessive Heat Warning
Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 9:00 PM
Extreme Heat Watch
Expires 10:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
29%
9 AM
29°
26%
10 AM
30°
42%
11 AM
31°
41%
12 PM
33°
15%
1 PM
34°
15%
2 PM
35°
15%
3 PM
36°
16%
4 PM
35°
16%
5 PM
34°
43%
6 PM
33°
30%
7 PM
32°
30%
8 PM
31°
17%
9 PM
29°
17%
10 PM
28°
5%
11 PM
27°
5%
12 AM
27°
3%
1 AM
26°
11%
2 AM
26°
16%
3 AM
26°
16%
4 AM
25°
18%
5 AM
24°
14%
6 AM
24°
8%
7 AM
26°
22%
7-Day Forecast
Today
36° 23°
Partly Cloudy with a 43% chance of rain.
Mon
37° 23°
Mostly Clear with a 29% chance of rain.
Tue
30° 19°
Mostly Cloudy.
Wed
29° 17°
Partly Cloudy with a 29% chance of rain.
Thu
29° 17°
Clear with a 30% chance of rain.
Fri
28° 19°
Rain, 71% chance.
Sat
29° 18°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Haze 29% 4 mph S 89%
9 AM 29° Mostly Cloudy 26% 6 mph SSW 83%
10 AM 30° Mostly Cloudy 42% 6 mph SW 78%
11 AM 31° Partly Cloudy 41% 5 mph SW 74%
12 PM 33° Mostly Clear 15% 5 mph WSW 69%
1 PM 34° Partly Cloudy 15% 4 mph W 65%
2 PM 35° Partly Cloudy 15% 5 mph W 62%
3 PM 36° Partly Cloudy 16% 5 mph W 59%
4 PM 35° Partly Cloudy 16% 4 mph W 61%
5 PM 34° Rain 43% 5 mph SW 63%
6 PM 33° Partly Cloudy 30% 5 mph SSW 67%
7 PM 32° Partly Cloudy 30% 5 mph SSW 70%
8 PM 31° Partly Cloudy 17% 6 mph S 71%
9 PM 29° Partly Cloudy 17% 6 mph S 73%
10 PM 28° Partly Cloudy 5% 6 mph S 74%
11 PM 27° Partly Cloudy 5% 6 mph S 76%
12 AM 27° Partly Cloudy 3% 6 mph S 78%
1 AM 26° Partly Cloudy 11% 6 mph S 80%
2 AM 26° Partly Cloudy 16% 6 mph S 82%
3 AM 26° Partly Cloudy 16% 7 mph SSE 83%
4 AM 25° Partly Cloudy 18% 7 mph SSE 84%
5 AM 24° Partly Cloudy 14% 8 mph SSE 84%
6 AM 24° Partly Cloudy 8% 10 mph SE 85%
7 AM 26° Mostly Clear 22% 10 mph SSE 82%
15-Day Forecast
Today
7/26
Partly Cloudy
43%
23°
36°
Mon
7/27
Mostly Clear
29%
23°
37°
Tue
7/28
Mostly Cloudy
14%
19°
30°
Wed
7/29
Partly Cloudy
29%
17°
29°
Thu
7/30
Clear
30%
17°
29°
Fri
7/31
Rain
71%
19°
28°
Sat
8/1
Clear
52%
18°
29°
Sun
8/2
Drizzle
42%
18°
29°
Mon
8/3
Drizzle
44%
18°
31°
Tue
8/4
Drizzle
64%
20°
34°
Wed
8/5
Drizzle
64%
19°
32°
Thu
8/6
Drizzle
60%
18°
31°
Fri
8/7
Drizzle
60%
17°
30°
Sat
8/8
Drizzle
60%
18°
32°
Sun
8/9
Clear
60%
19°
32°
53
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
53 AQI 10.3 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 53 Moderate 37 53
Tue 51 Moderate 41 51
Wed 54 Moderate 40 54
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.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Jul 26, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2892 J/kg
MLCAPE3467 J/kg
MUCAPE4391 J/kg
SBCIN-219 J/kg
MLCIN0 J/kg
Lifted Index-8.1
Kinematics
0–6 km Shear37 kt
0–1 km Shear10 kt
Eff. Shear31 kt
0–1 km SRH-26
0–3 km SRH-165
Eff. SRH-165
Storm Motion272° @ 22 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.3
Thermo & Levels
PWAT1.84 in
0–3 km LR4.4 °C/km
700–500 LR7.5 °C/km
Total Totals49.1
LCL966 hPa
LFC708 hPa
EL163 hPa
Freezing Lvl15,341 ft