Flood Warning — Hancock County, IL, McDonough County, IL, Clinton County, IA, Scott County, IA 4:20 AM Flood Watch 1:54 AM

McDonough County, Illinois, United States

Last updated: 5:35 PM CDT  ·  Refresh
26°C
Feels like 27°
Overcast
▲ 27°  /  ▼ 16°
Wind
2 mph SSW
Humidity
62%
Dew Point
17°
Pressure
29.43 inHg
Visibility
10 mi
UV Index
3.3
Cloud Cover
86%
Sunrise
5:33 AM
Sunset
8:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McDonough County is currently overcast at 25°C. Precipitation is likely — peak probability 56% around 10 AM. Atmospheric instability is elevated (CAPE up to 1304 J/kg) — isolated convective development possible. Sunrise: 5:33AM · Sunset: 8:36PM.

Alerts

Flood Warning
Hancock County, IL, McDonough County, IL, Clinton County, IA, Scott County, IA
Expires 4:20 AM
Flood Watch
Expires 1:54 AM
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
5%
6 PM
26°
23%
7 PM
25°
23%
8 PM
24°
42%
9 PM
22°
23%
10 PM
21°
25%
11 PM
20°
25%
12 AM
19°
18%
1 AM
18°
5%
2 AM
18°
5%
3 AM
18°
8%
4 AM
18°
9%
5 AM
16°
9%
6 AM
17°
9%
7 AM
18°
28%
8 AM
19°
38%
9 AM
21°
51%
10 AM
21°
55%
11 AM
22°
52%
12 PM
23°
45%
1 PM
26°
45%
2 PM
26°
46%
3 PM
27°
46%
4 PM
26°
47%
7-Day Forecast
Today
27° 16°
Heavy Rain, 42% chance.
Wed
28° 16°
Rain, 52% chance.
Thu
28° 18°
Drizzle, 74% chance.
Fri
26° 18°
Rain, 90% chance.
Sat
29° 19°
Partly Cloudy with a 62% chance of rain.
Sun
32° 21°
Drizzle, 53% chance.
Mon
33° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Overcast 5% 2 mph SSW 62%
6 PM 26° Overcast 23% 3 mph SSE 65%
7 PM 25° Rain 23% 3 mph SSE 72%
8 PM 24° Heavy Rain 42% 3 mph SE 78%
9 PM 22° Rain 23% 4 mph SE 82%
10 PM 21° Rain 25% 4 mph SSE 84%
11 PM 20° Rain 25% 4 mph SSE 86%
12 AM 19° Drizzle 18% 5 mph SSE 86%
1 AM 18° Partly Cloudy 5% 5 mph S 87%
2 AM 18° Partly Cloudy 5% 5 mph S 87%
3 AM 18° Partly Cloudy 8% 5 mph S 88%
4 AM 18° Partly Cloudy 9% 5 mph S 87%
5 AM 16° Partly Cloudy 9% 5 mph S 86%
6 AM 17° Mostly Cloudy 9% 6 mph S 84%
7 AM 18° Mostly Cloudy 28% 7 mph S 81%
8 AM 19° Drizzle 38% 8 mph S 78%
9 AM 21° Drizzle 51% 9 mph SSW 75%
10 AM 21° Drizzle 55% 9 mph SSW 75%
11 AM 22° Rain 52% 9 mph SSW 77%
12 PM 23° Rain 45% 9 mph SSW 78%
1 PM 26° Rain 45% 9 mph SW 78%
2 PM 26° Rain 46% 9 mph SW 77%
3 PM 27° Rain 46% 9 mph SW 77%
4 PM 26° Rain 47% 9 mph SW 78%
15-Day Forecast
Today
6/23
Heavy Rain
42%
16°
27°
Wed
6/24
Rain
52%
16°
28°
Thu
6/25
Drizzle
74%
18°
28°
Fri
6/26
Rain
90%
18°
26°
Sat
6/27
Partly Cloudy
62%
19°
29°
Sun
6/28
Drizzle
53%
21°
32°
Mon
6/29
Clear
14%
22°
33°
Tue
6/30
Clear
38%
23°
33°
Wed
7/1
Thunderstorm
66%
23°
33°
Thu
7/2
Drizzle
63%
23°
33°
Fri
7/3
Clear
47%
23°
30°
Sat
7/4
Drizzle
66%
21°
32°
Sun
7/5
Drizzle
66%
20°
31°
Mon
7/6
Drizzle
66%
19°
30°
Tue
7/7
Drizzle
66%
19°
31°
36
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
35 AQI 6.4 µg/m³
O3
Ground-level ozone
Dominant
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 36 Good 36 35
Thu 38 Good 37 38
Fri 35 Good 35 16
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 Jun 23, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE265 J/kg
MLCAPE27 J/kg
MUCAPE265 J/kg
SBCIN-1 J/kg
MLCIN-0 J/kg
Lifted Index-1.0
Kinematics
0–6 km Shear36 kt
0–1 km Shear2 kt
Eff. Shear31 kt
0–1 km SRH-9
0–3 km SRH-99
Eff. SRH-99
Storm Motion253° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index21.1
Thermo & Levels
PWAT1.16 in
0–3 km LR7.0 °C/km
700–500 LR5.5 °C/km
Total Totals41.1
LCL877 hPa
LFC933 hPa
EL301 hPa
Freezing Lvl13,609 ft