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

Lee County, Iowa, United States

Last updated: 5:13 AM CDT  ·  Refresh
24°C
Feels like 27°
Partly Cloudy
▲ 35°  /  ▼ 22°
Wind
6 mph SSW
Humidity
83%
Dew Point
22°
Pressure
29.20 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
30%
Sunrise
6:12 AM
Sunset
8:09 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Lee County is currently partly cloudy at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3423 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
23°
25%
7 AM
23°
34%
8 AM
25°
35%
9 AM
26°
39%
10 AM
28°
35%
11 AM
29°
37%
12 PM
31°
38%
1 PM
32°
21%
2 PM
32°
19%
3 PM
33°
27%
4 PM
33°
27%
5 PM
33°
28%
6 PM
32°
28%
7 PM
31°
24%
8 PM
29°
24%
9 PM
28°
25%
10 PM
27°
16%
11 PM
26°
17%
12 AM
24°
17%
1 AM
25°
26%
2 AM
24°
27%
3 AM
24°
27%
4 AM
23°
40%
7-Day Forecast
Today
35° 22°
Mostly Cloudy with a 37% chance of rain.
Wed
31° 22°
Partly Cloudy with a 63% chance of rain.
Thu
31° 21°
Mostly Cloudy with a 90% chance of rain.
Fri
28° 19°
Overcast with a 77% chance of rain.
Sat
35° 22°
Clear with a 52% chance of rain.
Sun
29° 19°
Partly Cloudy with a 27% chance of rain.
Mon
28° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 9% 6 mph SSW 83%
6 AM 23° Partly Cloudy 25% 5 mph SSW 79%
7 AM 23° Mostly Cloudy 34% 6 mph SSW 77%
8 AM 25° Mostly Cloudy 35% 7 mph SW 72%
9 AM 26° Mostly Cloudy 39% 9 mph SW 66%
10 AM 28° Mostly Cloudy 35% 12 mph SW 60%
11 AM 29° Mostly Cloudy 37% 12 mph SW 56%
12 PM 31° Partly Cloudy 38% 13 mph SW 54%
1 PM 32° Partly Cloudy 21% 13 mph WSW 51%
2 PM 32° Partly Cloudy 19% 11 mph WSW 50%
3 PM 33° Partly Cloudy 27% 9 mph WSW 49%
4 PM 33° Partly Cloudy 27% 8 mph WSW 50%
5 PM 33° Mostly Cloudy 28% 7 mph WSW 55%
6 PM 32° Partly Cloudy 28% 7 mph W 61%
7 PM 31° Partly Cloudy 24% 7 mph WNW 67%
8 PM 29° Partly Cloudy 24% 4 mph W 70%
9 PM 28° Partly Cloudy 25% 3 mph S 74%
10 PM 27° Partly Cloudy 16% 5 mph SE 77%
11 PM 26° Partly Cloudy 17% 5 mph SE 81%
12 AM 24° Partly Cloudy 17% 6 mph SE 85%
1 AM 25° Partly Cloudy 26% 6 mph ESE 87%
2 AM 24° Partly Cloudy 27% 6 mph ESE 87%
3 AM 24° Partly Cloudy 27% 6 mph ESE 87%
4 AM 23° Partly Cloudy 40% 6 mph E 87%
15-Day Forecast
Today
8/11
Mostly Cloudy
37%
22°
35°
Wed
8/12
Partly Cloudy
63%
22°
31°
Thu
8/13
Mostly Cloudy
90%
21°
31°
Fri
8/14
Overcast
77%
19°
28°
Sat
8/15
Clear
52%
22°
35°
Sun
8/16
Partly Cloudy
27%
19°
29°
Mon
8/17
Clear
17%
17°
28°
Tue
8/18
Partly Cloudy
34%
18°
33°
Wed
8/19
Drizzle
35%
21°
34°
Thu
8/20
Mostly Clear
35%
21°
39°
Fri
8/21
Drizzle
60%
19°
41°
Sat
8/22
Drizzle
60%
19°
32°
Sun
8/23
Drizzle
60%
18°
31°
Mon
8/24
Drizzle
60%
18°
29°
Tue
8/25
Drizzle
60%
18°
29°
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 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 39 50
Wed 37 Good 35 37
Thu 37 Good 35 37
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1734 J/kg
MLCAPE1922 J/kg
MUCAPE2653 J/kg
SBCIN-503 J/kg
MLCIN0 J/kg
Lifted Index-5.9
Kinematics
0–6 km Shear25 kt
0–1 km Shear27 kt
Eff. Shear17 kt
0–1 km SRH208
0–3 km SRH210
Eff. SRH9
Storm Motion314° @ 17 kt
0–1 km EHI2.3
Composite Parameters
Sig. Tornado1.0
STP (eff)0.0
Supercell0.0
K-Index35.1
Thermo & Levels
PWAT1.70 in
0–3 km LR4.0 °C/km
700–500 LR7.9 °C/km
Total Totals54.6
LCL957 hPa
LFC657 hPa
EL179 hPa
Freezing Lvl14,708 ft