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: 7:44 AM CDT  ·  Refresh
25°C
Feels like 29°
Mostly Cloudy
▲ 36°  /  ▼ 23°
Wind
5 mph SSE
Humidity
94%
Dew Point
24°
Pressure
29.20 inHg
Visibility
10 mi
UV Index
2.6
Cloud Cover
84%
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 mostly cloudy at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4388 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
25°
22%
8 AM
26°
37%
9 AM
28°
24%
10 AM
30°
36%
11 AM
31°
36%
12 PM
33°
15%
1 PM
34°
10%
2 PM
34°
11%
3 PM
36°
11%
4 PM
36°
11%
5 PM
35°
24%
6 PM
34°
24%
7 PM
32°
24%
8 PM
31°
11%
9 PM
29°
12%
10 PM
28°
3%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
11%
2 AM
26°
16%
3 AM
26°
18%
4 AM
25°
18%
5 AM
24°
14%
6 AM
24°
14%
7-Day Forecast
Today
36° 23°
Partly Cloudy with a 36% chance of rain.
Mon
36° 23°
Mostly Clear with a 25% chance of rain.
Tue
31° 19°
Partly Cloudy.
Wed
29° 18°
Partly Cloudy with a 24% chance of rain.
Thu
29° 17°
Clear with a 30% chance of rain.
Fri
28° 19°
Rain, 64% chance.
Sat
29° 18°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Cloudy 22% 5 mph SSE 94%
8 AM 26° Mostly Cloudy 37% 4 mph S 89%
9 AM 28° Mostly Cloudy 24% 5 mph SSW 85%
10 AM 30° Mostly Cloudy 36% 6 mph SW 80%
11 AM 31° Partly Cloudy 36% 5 mph SW 76%
12 PM 33° Partly Cloudy 15% 5 mph WSW 70%
1 PM 34° Partly Cloudy 10% 5 mph WSW 66%
2 PM 34° Partly Cloudy 11% 5 mph W 62%
3 PM 36° Partly Cloudy 11% 5 mph W 60%
4 PM 36° Partly Cloudy 11% 4 mph W 60%
5 PM 35° Mostly Clear 24% 4 mph WSW 63%
6 PM 34° Clear 24% 5 mph SW 66%
7 PM 32° Clear 24% 5 mph SW 69%
8 PM 31° Partly Cloudy 11% 5 mph SSW 71%
9 PM 29° Partly Cloudy 12% 6 mph S 72%
10 PM 28° Partly Cloudy 3% 6 mph SSW 74%
11 PM 27° Partly Cloudy 3% 6 mph SSW 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 18% 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 14% 10 mph SSE 85%
15-Day Forecast
Today
7/26
Partly Cloudy
36%
23°
36°
Mon
7/27
Mostly Clear
25%
23°
36°
Tue
7/28
Partly Cloudy
14%
19°
31°
Wed
7/29
Partly Cloudy
24%
18°
29°
Thu
7/30
Clear
30%
17°
29°
Fri
7/31
Rain
64%
19°
28°
Sat
8/1
Clear
52%
18°
29°
Sun
8/2
Drizzle
42%
18°
29°
Mon
8/3
Clear
19%
18°
31°
Tue
8/4
Thunderstorm
64%
20°
34°
Wed
8/5
Drizzle
68%
19°
33°
Thu
8/6
Drizzle
60%
19°
31°
Fri
8/7
Drizzle
60%
18°
32°
Sat
8/8
Drizzle
60%
19°
33°
Sun
8/9
Drizzle
60%
20°
34°
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
SBCAPE2257 J/kg
MLCAPE3421 J/kg
MUCAPE4767 J/kg
SBCIN-293 J/kg
MLCIN0 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear37 kt
0–1 km Shear15 kt
Eff. Shear29 kt
0–1 km SRH-13
0–3 km SRH-97
Eff. SRH-124
Storm Motion276° @ 22 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.4
Thermo & Levels
PWAT1.84 in
0–3 km LR4.2 °C/km
700–500 LR7.1 °C/km
Total Totals47.9
LCL976 hPa
LFC698 hPa
EL172 hPa
Freezing Lvl15,482 ft