Heat Advisory — Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 8:00 PM

Henry County, Iowa, United States

Last updated: 5:13 AM CDT  ·  Refresh
24°C
Feels like 26°
Partly Cloudy
▲ 33°  /  ▼ 21°
Wind
6 mph S
Humidity
86%
Dew Point
22°
Pressure
29.14 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
45%
Sunrise
6:12 AM
Sunset
8:09 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Henry County is currently partly cloudy at 24°C. Precipitation is likely — peak probability 53% around 5 AM. Atmospheric instability is elevated (CAPE up to 3606 J/kg) — isolated convective development possible. Sunrise: 6:12AM · Sunset: 8:09PM.

Alerts

Heat Advisory
Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 8:00 PM
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
9%
6 AM
22°
34%
7 AM
22°
34%
8 AM
23°
40%
9 AM
24°
30%
10 AM
26°
37%
11 AM
27°
37%
12 PM
28°
36%
1 PM
30°
19%
2 PM
31°
19%
3 PM
32°
19%
4 PM
32°
20%
5 PM
32°
20%
6 PM
31°
19%
7 PM
29°
19%
8 PM
28°
19%
9 PM
26°
25%
10 PM
26°
16%
11 PM
25°
17%
12 AM
24°
17%
1 AM
24°
26%
2 AM
24°
27%
3 AM
24°
27%
4 AM
23°
49%
7-Day Forecast
Today
33° 21°
Partly Cloudy with a 40% chance of rain.
Wed
30° 21°
Partly Cloudy with a 59% chance of rain.
Thu
30° 21°
Mostly Cloudy with a 90% chance of rain.
Fri
27° 19°
Mostly Cloudy with a 73% chance of rain.
Sat
34° 21°
Drizzle, 52% chance.
Sun
29° 18°
Drizzle, 49% chance.
Mon
27° 17°
Clear with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 9% 6 mph S 86%
6 AM 22° Mostly Cloudy 34% 7 mph S 83%
7 AM 22° Mostly Cloudy 34% 8 mph SSE 83%
8 AM 23° Mostly Cloudy 40% 7 mph SSW 80%
9 AM 24° Mostly Cloudy 30% 8 mph SW 75%
10 AM 26° Mostly Cloudy 37% 10 mph SW 72%
11 AM 27° Partly Cloudy 37% 9 mph SW 68%
12 PM 28° Mostly Cloudy 36% 9 mph SW 64%
1 PM 30° Mostly Cloudy 19% 9 mph WSW 60%
2 PM 31° Partly Cloudy 19% 8 mph WSW 57%
3 PM 32° Partly Cloudy 19% 8 mph WSW 54%
4 PM 32° Partly Cloudy 20% 6 mph WSW 53%
5 PM 32° Mostly Clear 20% 6 mph WSW 60%
6 PM 31° Mostly Clear 19% 6 mph WSW 67%
7 PM 29° Mostly Clear 19% 6 mph WSW 74%
8 PM 28° Mostly Clear 19% 5 mph ESE 79%
9 PM 26° Mostly Clear 25% 5 mph E 83%
10 PM 26° Partly Cloudy 16% 6 mph E 86%
11 PM 25° Partly Cloudy 17% 6 mph E 87%
12 AM 24° Partly Cloudy 17% 5 mph ENE 87%
1 AM 24° Partly Cloudy 26% 6 mph ENE 88%
2 AM 24° Partly Cloudy 27% 5 mph E 89%
3 AM 24° Partly Cloudy 27% 5 mph E 90%
4 AM 23° Partly Cloudy 49% 6 mph E 90%
15-Day Forecast
Today
8/11
Partly Cloudy
40%
21°
33°
Wed
8/12
Partly Cloudy
59%
21°
30°
Thu
8/13
Mostly Cloudy
90%
21°
30°
Fri
8/14
Mostly Cloudy
73%
19°
27°
Sat
8/15
Drizzle
52%
21°
34°
Sun
8/16
Drizzle
49%
18°
29°
Mon
8/17
Clear
28%
17°
27°
Tue
8/18
Mostly Clear
34%
18°
32°
Wed
8/19
Mostly Cloudy
35%
20°
33°
Thu
8/20
Clear
35%
21°
39°
Fri
8/21
Drizzle
60%
18°
41°
Sat
8/22
Drizzle
60%
19°
31°
Sun
8/23
Drizzle
60%
18°
29°
Mon
8/24
Drizzle
60%
18°
28°
Tue
8/25
Drizzle
60%
17°
28°
50
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
50 AQI 9.0 µg/m³
O3
Ground-level ozone
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 39 50
Wed 41 Good 34 41
Thu 38 Good 36 38
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 Tue Aug 11, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1580 J/kg
MLCAPE2048 J/kg
MUCAPE2887 J/kg
SBCIN-523 J/kg
MLCIN0 J/kg
Lifted Index-5.9
Kinematics
0–6 km Shear29 kt
0–1 km Shear29 kt
Eff. Shear17 kt
0–1 km SRH209
0–3 km SRH219
Eff. SRH17
Storm Motion310° @ 20 kt
0–1 km EHI2.1
Composite Parameters
Sig. Tornado1.1
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT1.75 in
0–3 km LR3.9 °C/km
700–500 LR8.1 °C/km
Total Totals56.6
LCL961 hPa
LFC647 hPa
EL188 hPa
Freezing Lvl14,823 ft