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

McDonough County, Illinois, United States

Last updated: 6:12 AM CDT  ·  Refresh
24°C
Feels like 26°
Partly Cloudy
▲ 33°  /  ▼ 22°
Wind
6 mph SSW
Humidity
82%
Dew Point
22°
Pressure
29.20 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
35%
Sunrise
6:09 AM
Sunset
8:05 PM
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WeatherAI™ Analysis

WeatherAI Analysis: McDonough County is currently partly cloudy at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3696 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 8:05PM.

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°
17%
7 AM
23°
33%
8 AM
25°
35%
9 AM
26°
30%
10 AM
27°
30%
11 AM
28°
30%
12 PM
30°
30%
1 PM
31°
11%
2 PM
32°
11%
3 PM
32°
14%
4 PM
32°
15%
5 PM
33°
15%
6 PM
32°
12%
7 PM
31°
8%
8 PM
29°
8%
9 PM
28°
8%
10 PM
27°
17%
11 PM
27°
17%
12 AM
26°
20%
1 AM
25°
26%
2 AM
25°
34%
3 AM
24°
35%
4 AM
24°
35%
5 AM
23°
48%
7-Day Forecast
Today
33° 22°
Partly Cloudy with a 30% chance of rain.
Wed
30° 22°
Partly Cloudy with a 79% chance of rain.
Thu
31° 21°
Overcast with a 86% chance of rain.
Fri
28° 19°
Overcast with a 90% chance of rain.
Sat
34° 22°
Mostly Clear with a 69% chance of rain.
Sun
29° 19°
Drizzle, 46% chance.
Mon
28° 18°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 17% 6 mph SSW 82%
7 AM 23° Partly Cloudy 33% 7 mph SW 77%
8 AM 25° Partly Cloudy 35% 9 mph SW 72%
9 AM 26° Partly Cloudy 30% 10 mph SW 67%
10 AM 27° Partly Cloudy 30% 11 mph SW 64%
11 AM 28° Partly Cloudy 30% 11 mph WSW 61%
12 PM 30° Partly Cloudy 30% 12 mph WSW 58%
1 PM 31° Mostly Clear 11% 13 mph WSW 54%
2 PM 32° Partly Cloudy 11% 13 mph WSW 53%
3 PM 32° Partly Cloudy 14% 13 mph WSW 53%
4 PM 32° Partly Cloudy 15% 12 mph WSW 54%
5 PM 33° Partly Cloudy 15% 10 mph WSW 58%
6 PM 32° Partly Cloudy 12% 8 mph WSW 63%
7 PM 31° Partly Cloudy 8% 5 mph WSW 67%
8 PM 29° Mostly Clear 8% 4 mph WSW 69%
9 PM 28° Partly Cloudy 8% 4 mph SW 72%
10 PM 27° Mostly Clear 17% 4 mph SSW 75%
11 PM 27° Partly Cloudy 17% 4 mph S 79%
12 AM 26° Partly Cloudy 20% 4 mph SSE 84%
1 AM 25° Partly Cloudy 26% 5 mph SSE 86%
2 AM 25° Partly Cloudy 34% 5 mph SSE 85%
3 AM 24° Partly Cloudy 35% 5 mph SE 84%
4 AM 24° Partly Cloudy 35% 5 mph SE 84%
5 AM 23° Mostly Clear 48% 6 mph E 85%
15-Day Forecast
Today
8/11
Partly Cloudy
30%
22°
33°
Wed
8/12
Partly Cloudy
79%
22°
30°
Thu
8/13
Overcast
86%
21°
31°
Fri
8/14
Overcast
90%
19°
28°
Sat
8/15
Mostly Clear
69%
22°
34°
Sun
8/16
Drizzle
46%
19°
29°
Mon
8/17
Clear
30%
18°
28°
Tue
8/18
Clear
34%
17°
31°
Wed
8/19
Drizzle
35%
19°
32°
Thu
8/20
Mostly Clear
35%
19°
33°
Fri
8/21
Drizzle
60%
19°
31°
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%
17°
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
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 37 50
Wed 36 Good 36 33
Thu 38 Good 38 36
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, 09:00'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
SBCAPE1455 J/kg
MLCAPE1651 J/kg
MUCAPE1899 J/kg
SBCIN-511 J/kg
MLCIN0 J/kg
Lifted Index-5.5
Kinematics
0–6 km Shear19 kt
0–1 km Shear23 kt
Eff. Shear8 kt
0–1 km SRH185
0–3 km SRH181
Eff. SRH0
Storm Motion310° @ 21 kt
0–1 km EHI1.7
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.3
Thermo & Levels
PWAT1.59 in
0–3 km LR4.2 °C/km
700–500 LR7.7 °C/km
Total Totals53.2
LCL956 hPa
LFC660 hPa
EL192 hPa
Freezing Lvl14,557 ft