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

Warren County, Illinois, United States

Last updated: 5:11 AM CDT  ·  Refresh
24°C
Feels like 27°
Partly Cloudy
▲ 33°  /  ▼ 21°
Wind
5 mph SSW
Humidity
89%
Dew Point
22°
Pressure
29.13 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
35%
Sunrise
6:08 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Warren County is currently partly cloudy at 24°C. Precipitation is likely — peak probability 59% around 5 AM. Atmospheric instability is elevated (CAPE up to 3512 J/kg) — isolated convective development possible. Sunrise: 6:08AM · 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
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
9%
6 AM
22°
29%
7 AM
23°
36%
8 AM
24°
43%
9 AM
26°
42%
10 AM
27°
40%
11 AM
28°
35%
12 PM
29°
39%
1 PM
30°
26%
2 PM
31°
30%
3 PM
32°
30%
4 PM
32°
20%
5 PM
32°
17%
6 PM
31°
20%
7 PM
29°
25%
8 PM
28°
25%
9 PM
27°
29%
10 PM
26°
20%
11 PM
26°
11%
12 AM
24°
14%
1 AM
24°
16%
2 AM
24°
25%
3 AM
24°
41%
4 AM
22°
56%
7-Day Forecast
Today
33° 21°
Mostly Cloudy with a 43% chance of rain.
Wed
29° 21°
Partly Cloudy with a 84% chance of rain.
Thu
29° 21°
Mostly Cloudy with a 86% chance of rain.
Fri
26° 20°
Mostly Cloudy with a 81% chance of rain.
Sat
32° 21°
Mostly Clear with a 45% chance of rain.
Sun
29° 18°
Drizzle, 48% chance.
Mon
27° 18°
Clear with a 25% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 9% 5 mph SSW 89%
6 AM 22° Partly Cloudy 29% 6 mph SSW 86%
7 AM 23° Mostly Cloudy 36% 7 mph SW 86%
8 AM 24° Mostly Cloudy 43% 7 mph SW 82%
9 AM 26° Mostly Cloudy 42% 8 mph WSW 77%
10 AM 27° Partly Cloudy 40% 10 mph SW 72%
11 AM 28° Mostly Cloudy 35% 10 mph SW 70%
12 PM 29° Mostly Cloudy 39% 11 mph SW 67%
1 PM 30° Mostly Cloudy 26% 12 mph SW 66%
2 PM 31° Mostly Cloudy 30% 9 mph WSW 64%
3 PM 32° Partly Cloudy 30% 7 mph W 61%
4 PM 32° Mostly Clear 20% 8 mph W 60%
5 PM 32° Partly Cloudy 17% 8 mph W 65%
6 PM 31° Mostly Clear 20% 6 mph W 70%
7 PM 29° Mostly Clear 25% 5 mph NW 77%
8 PM 28° Mostly Clear 25% 4 mph N 82%
9 PM 27° Mostly Clear 29% 5 mph NE 88%
10 PM 26° Mostly Clear 20% 6 mph ENE 92%
11 PM 26° Mostly Clear 11% 6 mph E 92%
12 AM 24° Partly Cloudy 14% 6 mph ESE 92%
1 AM 24° Partly Cloudy 16% 6 mph ESE 91%
2 AM 24° Partly Cloudy 25% 6 mph E 91%
3 AM 24° Partly Cloudy 41% 5 mph E 91%
4 AM 22° Rain 56% 6 mph E 92%
15-Day Forecast
Today
8/11
Mostly Cloudy
43%
21°
33°
Wed
8/12
Partly Cloudy
84%
21°
29°
Thu
8/13
Mostly Cloudy
86%
21°
29°
Fri
8/14
Mostly Cloudy
81%
20°
26°
Sat
8/15
Mostly Clear
45%
21°
32°
Sun
8/16
Drizzle
48%
18°
29°
Mon
8/17
Clear
25%
18°
27°
Tue
8/18
Clear
34%
18°
31°
Wed
8/19
Partly Cloudy
35%
21°
32°
Thu
8/20
Mostly Clear
32%
20°
37°
Fri
8/21
Drizzle
60%
18°
38°
Sat
8/22
Drizzle
60%
19°
31°
Sun
8/23
Clear
60%
18°
29°
Mon
8/24
Drizzle
60%
17°
28°
Tue
8/25
Drizzle
60%
17°
27°
54
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
54 AQI 10.5 µg/m³
O3
Ground-level ozone
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 39 54
Wed 47 Good 30 47
Thu 38 Good 38 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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1824 J/kg
MLCAPE2219 J/kg
MUCAPE3323 J/kg
SBCIN-419 J/kg
MLCIN0 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear26 kt
0–1 km Shear27 kt
Eff. Shear23 kt
0–1 km SRH215
0–3 km SRH217
Eff. SRH157
Storm Motion310° @ 22 kt
0–1 km EHI2.5
Composite Parameters
Sig. Tornado1.2
STP (eff)0.0
Supercell6.0
K-Index34.5
Thermo & Levels
PWAT1.73 in
0–3 km LR3.9 °C/km
700–500 LR7.9 °C/km
Total Totals56.0
LCL966 hPa
LFC662 hPa
EL178 hPa
Freezing Lvl14,695 ft