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: 5:12 AM CDT  ·  Refresh
24°C
Feels like 27°
Mostly Clear
▲ 34°  /  ▼ 22°
Wind
8 mph SSW
Humidity
80%
Dew Point
22°
Pressure
29.21 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
25%
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 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3428 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%
6 AM
23°
25%
7 AM
23°
29%
8 AM
25°
35%
9 AM
26°
39%
10 AM
28°
39%
11 AM
29°
30%
12 PM
31°
30%
1 PM
31°
13%
2 PM
32°
13%
3 PM
33°
12%
4 PM
33°
20%
5 PM
34°
20%
6 PM
33°
23%
7 PM
31°
19%
8 PM
30°
19%
9 PM
28°
20%
10 PM
27°
11%
11 PM
27°
11%
12 AM
26°
11%
1 AM
26°
12%
2 AM
26°
12%
3 AM
25°
18%
4 AM
24°
26%
7-Day Forecast
Today
34° 22°
Partly Cloudy with a 35% chance of rain.
Wed
31° 22°
Mostly Cloudy with a 74% chance of rain.
Thu
31° 21°
Mostly Cloudy with a 90% chance of rain.
Fri
28° 21°
Overcast with a 81% chance of rain.
Sat
35° 22°
Mostly Clear with a 45% chance of rain.
Sun
31° 19°
Partly Cloudy with a 46% chance of rain.
Mon
28° 18°
Clear with a 20% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 9% 8 mph SSW 80%
6 AM 23° Partly Cloudy 25% 8 mph SW 77%
7 AM 23° Mostly Cloudy 29% 8 mph SW 77%
8 AM 25° Partly Cloudy 35% 10 mph SW 70%
9 AM 26° Partly Cloudy 39% 12 mph SW 67%
10 AM 28° Partly Cloudy 39% 13 mph SW 61%
11 AM 29° Partly Cloudy 30% 14 mph SW 57%
12 PM 31° Partly Cloudy 30% 13 mph SW 55%
1 PM 31° Partly Cloudy 13% 13 mph SW 52%
2 PM 32° Mostly Cloudy 13% 13 mph SW 51%
3 PM 33° Partly Cloudy 12% 12 mph WSW 49%
4 PM 33° Mostly Cloudy 20% 11 mph WSW 49%
5 PM 34° Partly Cloudy 20% 9 mph WSW 52%
6 PM 33° Partly Cloudy 23% 8 mph SW 56%
7 PM 31° Partly Cloudy 19% 6 mph SW 60%
8 PM 30° Partly Cloudy 19% 4 mph SSW 66%
9 PM 28° Partly Cloudy 20% 4 mph S 71%
10 PM 27° Partly Cloudy 11% 5 mph S 76%
11 PM 27° Partly Cloudy 11% 4 mph SSE 80%
12 AM 26° Partly Cloudy 11% 5 mph SSE 83%
1 AM 26° Partly Cloudy 12% 6 mph SSE 85%
2 AM 26° Partly Cloudy 12% 6 mph SSE 84%
3 AM 25° Partly Cloudy 18% 6 mph SSE 84%
4 AM 24° Mostly Clear 26% 6 mph SE 83%
15-Day Forecast
Today
8/11
Partly Cloudy
35%
22°
34°
Wed
8/12
Mostly Cloudy
74%
22°
31°
Thu
8/13
Mostly Cloudy
90%
21°
31°
Fri
8/14
Overcast
81%
21°
28°
Sat
8/15
Mostly Clear
45%
22°
35°
Sun
8/16
Partly Cloudy
46%
19°
31°
Mon
8/17
Clear
20%
18°
28°
Tue
8/18
Partly Cloudy
34%
19°
34°
Wed
8/19
Drizzle
35%
21°
34°
Thu
8/20
Mostly Clear
35%
21°
40°
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°
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, 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
SBCAPE1650 J/kg
MLCAPE1839 J/kg
MUCAPE2300 J/kg
SBCIN-506 J/kg
MLCIN0 J/kg
Lifted Index-5.7
Kinematics
0–6 km Shear22 kt
0–1 km Shear24 kt
Eff. Shear19 kt
0–1 km SRH194
0–3 km SRH196
Eff. SRH56
Storm Motion317° @ 16 kt
0–1 km EHI2.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.4
Thermo & Levels
PWAT1.67 in
0–3 km LR4.2 °C/km
700–500 LR7.8 °C/km
Total Totals53.7
LCL951 hPa
LFC656 hPa
EL181 hPa
Freezing Lvl14,639 ft