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

Henry County, Illinois, United States

Last updated: 7:44 AM CDT  ·  Refresh
24°C
Feels like 27°
Haze
▲ 34°  /  ▼ 23°
Wind
6 mph S
Humidity
94%
Dew Point
23°
Pressure
29.16 inHg
Visibility
1 mi
UV Index
2.2
Cloud Cover
90%
Sunrise
5:50 AM
Sunset
8:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Henry County is currently haze at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4066 J/kg) — isolated convective development possible. Sunrise: 5:50AM · Sunset: 8:23PM.

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
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
44%
8 AM
25°
42%
9 AM
26°
40%
10 AM
27°
49%
11 AM
28°
43%
12 PM
29°
40%
1 PM
31°
29%
2 PM
32°
29%
3 PM
33°
28%
4 PM
33°
26%
5 PM
34°
29%
6 PM
34°
30%
7 PM
32°
31%
8 PM
31°
28%
9 PM
29°
28%
10 PM
28°
29%
11 PM
28°
20%
12 AM
27°
14%
1 AM
27°
23%
2 AM
26°
28%
3 AM
25°
28%
4 AM
24°
18%
5 AM
24°
14%
6 AM
24°
14%
7-Day Forecast
Today
34° 23°
Partly Cloudy with a 49% chance of rain.
Mon
34° 24°
Mostly Clear with a 37% chance of rain.
Tue
29° 18°
Partly Cloudy.
Wed
28° 18°
Partly Cloudy.
Thu
28° 17°
Clear.
Fri
28° 19°
Drizzle, 51% chance.
Sat
29° 17°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Haze 44% 6 mph S 94%
8 AM 25° Overcast 42% 6 mph S 90%
9 AM 26° Overcast 40% 6 mph S 88%
10 AM 27° Mostly Cloudy 49% 6 mph S 86%
11 AM 28° Mostly Cloudy 43% 4 mph SSW 84%
12 PM 29° Partly Cloudy 40% 4 mph SW 82%
1 PM 31° Partly Cloudy 29% 4 mph SW 78%
2 PM 32° Partly Cloudy 29% 4 mph SW 75%
3 PM 33° Partly Cloudy 28% 4 mph W 72%
4 PM 33° Partly Cloudy 26% 3 mph SW 71%
5 PM 34° Partly Cloudy 29% 3 mph E 72%
6 PM 34° Partly Cloudy 30% 3 mph ESE 75%
7 PM 32° Mostly Clear 31% 3 mph SE 79%
8 PM 31° Mostly Clear 28% 5 mph SSE 84%
9 PM 29° Mostly Clear 28% 6 mph S 88%
10 PM 28° Mostly Clear 29% 7 mph S 89%
11 PM 28° Partly Cloudy 20% 7 mph S 88%
12 AM 27° Partly Cloudy 14% 8 mph S 87%
1 AM 27° Partly Cloudy 23% 8 mph S 88%
2 AM 26° Partly Cloudy 28% 8 mph SSE 89%
3 AM 25° Partly Cloudy 28% 10 mph SE 90%
4 AM 24° Partly Cloudy 18% 10 mph SE 90%
5 AM 24° Mostly Clear 14% 10 mph SSE 90%
6 AM 24° Mostly Clear 14% 10 mph S 90%
15-Day Forecast
Today
7/26
Partly Cloudy
49%
23°
34°
Mon
7/27
Mostly Clear
37%
24°
34°
Tue
7/28
Partly Cloudy
14%
18°
29°
Wed
7/29
Partly Cloudy
7%
18°
28°
Thu
7/30
Clear
16%
17°
28°
Fri
7/31
Drizzle
51%
19°
28°
Sat
8/1
Clear
31%
17°
29°
Sun
8/2
Drizzle
42%
17°
29°
Mon
8/3
Clear
19%
18°
30°
Tue
8/4
Drizzle
51%
19°
31°
Wed
8/5
Drizzle
60%
18°
32°
Thu
8/6
Drizzle
60%
18°
29°
Fri
8/7
Drizzle
60%
18°
30°
Sat
8/8
Drizzle
60%
19°
31°
Sun
8/9
Drizzle
60%
19°
33°
52
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
52 AQI 9.9 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 52 Moderate 37 52
Tue 53 Moderate 41 53
Wed 56 Moderate 39 56
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 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1198 J/kg
MLCAPE2674 J/kg
MUCAPE4123 J/kg
SBCIN-320 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear31 kt
0–1 km Shear15 kt
Eff. Shear26 kt
0–1 km SRH-39
0–3 km SRH-167
Eff. SRH-189
Storm Motion281° @ 28 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.7
Thermo & Levels
PWAT1.96 in
0–3 km LR3.8 °C/km
700–500 LR7.0 °C/km
Total Totals52.8
LCL974 hPa
LFC651 hPa
EL194 hPa
Freezing Lvl15,292 ft