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

Hancock County, Illinois, United States

Last updated: 6:04 AM CDT  ·  Refresh
24°C
Feels like 26°
Mostly Clear
▲ 34°  /  ▼ 22°
Wind
7 mph SW
Humidity
81%
Dew Point
22°
Pressure
29.21 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
29%
Sunrise
6:11 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hancock County is currently mostly clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3381 J/kg) — isolated convective development possible. Sunrise: 6:11AM · Sunset: 8:07PM.

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
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
9%
7 AM
23°
29%
8 AM
25°
36%
9 AM
26°
40%
10 AM
27°
39%
11 AM
29°
30%
12 PM
31°
30%
1 PM
31°
13%
2 PM
32°
13%
3 PM
32°
13%
4 PM
33°
19%
5 PM
32°
20%
6 PM
33°
23%
7 PM
32°
19%
8 PM
30°
19%
9 PM
28°
19%
10 PM
27°
11%
11 PM
27°
11%
12 AM
26°
11%
1 AM
25°
11%
2 AM
25°
12%
3 AM
25°
17%
4 AM
24°
24%
5 AM
24°
26%
7-Day Forecast
Today
34° 22°
Partly Cloudy with a 40% chance of rain.
Wed
31° 22°
Mostly Cloudy with a 79% chance of rain.
Thu
31° 21°
Mostly Cloudy with a 86% chance of rain.
Fri
28° 21°
Overcast with a 86% chance of rain.
Sat
35° 22°
Mostly Clear with a 53% chance of rain.
Sun
31° 19°
Mostly Cloudy with a 46% chance of rain.
Mon
28° 18°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 9% 7 mph SW 81%
7 AM 23° Mostly Cloudy 29% 7 mph SW 77%
8 AM 25° Mostly Cloudy 36% 9 mph SW 70%
9 AM 26° Mostly Cloudy 40% 11 mph WSW 67%
10 AM 27° Mostly Cloudy 39% 12 mph SW 61%
11 AM 29° Mostly Cloudy 30% 12 mph SW 58%
12 PM 31° Partly Cloudy 30% 13 mph SW 55%
1 PM 31° Partly Cloudy 13% 13 mph SW 53%
2 PM 32° Partly Cloudy 13% 13 mph SW 51%
3 PM 32° Partly Cloudy 13% 13 mph WSW 49%
4 PM 33° Partly Cloudy 19% 12 mph WSW 49%
5 PM 32° Partly Cloudy 20% 10 mph WSW 52%
6 PM 33° Mostly Cloudy 23% 8 mph SW 55%
7 PM 32° Partly Cloudy 19% 6 mph SW 60%
8 PM 30° Partly Cloudy 19% 5 mph SSW 65%
9 PM 28° Partly Cloudy 19% 4 mph S 70%
10 PM 27° Partly Cloudy 11% 5 mph S 76%
11 PM 27° Partly Cloudy 11% 5 mph SSE 80%
12 AM 26° Partly Cloudy 11% 5 mph SSE 83%
1 AM 25° Partly Cloudy 11% 6 mph SSE 85%
2 AM 25° Partly Cloudy 12% 6 mph SSE 85%
3 AM 25° Partly Cloudy 17% 6 mph SSE 84%
4 AM 24° Partly Cloudy 24% 6 mph SSE 83%
5 AM 24° Mostly Clear 26% 5 mph ESE 84%
15-Day Forecast
Today
8/11
Partly Cloudy
40%
22°
34°
Wed
8/12
Mostly Cloudy
79%
22°
31°
Thu
8/13
Mostly Cloudy
86%
21°
31°
Fri
8/14
Overcast
86%
21°
28°
Sat
8/15
Mostly Clear
53%
22°
35°
Sun
8/16
Mostly Cloudy
46%
19°
31°
Mon
8/17
Clear
30%
18°
28°
Tue
8/18
Partly Cloudy
25%
19°
34°
Wed
8/19
Drizzle
35%
21°
34°
Thu
8/20
Mostly Clear
35%
21°
40°
Fri
8/21
Drizzle
60%
19°
40°
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°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 37 48
Wed 37 Good 37 31
Thu 37 Good 37 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
SBCAPE1463 J/kg
MLCAPE1668 J/kg
MUCAPE1902 J/kg
SBCIN-535 J/kg
MLCIN0 J/kg
Lifted Index-5.5
Kinematics
0–6 km Shear18 kt
0–1 km Shear24 kt
Eff. Shear10 kt
0–1 km SRH190
0–3 km SRH185
Eff. SRH4
Storm Motion312° @ 19 kt
0–1 km EHI1.7
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.8
Thermo & Levels
PWAT1.58 in
0–3 km LR4.2 °C/km
700–500 LR7.7 °C/km
Total Totals52.9
LCL951 hPa
LFC660 hPa
EL193 hPa
Freezing Lvl14,573 ft