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: 6:36 PM CDT  ·  Refresh
25°C
Feels like 27°
Mostly Cloudy
▲ 27°  /  ▼ 16°
Wind
4 mph S
Humidity
66%
Dew Point
17°
Pressure
29.42 inHg
Visibility
10 mi
UV Index
3.9
Cloud Cover
60%
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 mostly cloudy at 25°C. Precipitation is likely — peak probability 59% around 11 AM. Atmospheric instability is elevated (CAPE up to 1656 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
25°
11%
7 PM
24°
29%
8 PM
23°
29%
9 PM
21°
21%
10 PM
21°
23%
11 PM
19°
23%
12 AM
19°
16%
1 AM
18°
4%
2 AM
18°
4%
3 AM
17°
8%
4 AM
18°
8%
5 AM
16°
8%
6 AM
17°
8%
7 AM
18°
25%
8 AM
19°
34%
9 AM
21°
49%
10 AM
22°
59%
11 AM
23°
59%
12 PM
23°
56%
1 PM
27°
57%
2 PM
27°
57%
3 PM
27°
57%
4 PM
27°
48%
5 PM
24°
43%
7-Day Forecast
Tonight
27° 16°
Mostly Cloudy with a 21% chance of rain.
Wed
28° 16°
Rain, 56% chance.
Thu
27° 17°
Rain, 61% chance.
Fri
24° 17°
Rain, 76% chance.
Sat
30° 19°
Rain, 47% chance.
Sun
32° 22°
Clear with a 53% chance of rain.
Mon
33° 22°
Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Cloudy 11% 4 mph S 66%
7 PM 24° Overcast 29% 4 mph SSE 73%
8 PM 23° Rain 29% 4 mph SSE 77%
9 PM 21° Rain 21% 5 mph SE 81%
10 PM 21° Rain 23% 4 mph SE 84%
11 PM 19° Rain 23% 4 mph SSE 85%
12 AM 19° Drizzle 16% 5 mph SSE 86%
1 AM 18° Partly Cloudy 4% 5 mph S 86%
2 AM 18° Partly Cloudy 4% 5 mph S 86%
3 AM 17° Partly Cloudy 8% 5 mph S 85%
4 AM 18° Partly Cloudy 8% 6 mph S 85%
5 AM 16° Mostly Cloudy 8% 6 mph S 84%
6 AM 17° Overcast 8% 6 mph S 83%
7 AM 18° Overcast 25% 7 mph S 82%
8 AM 19° Drizzle 34% 8 mph S 79%
9 AM 21° Drizzle 49% 9 mph SSW 77%
10 AM 22° Drizzle 59% 10 mph SSW 76%
11 AM 23° Rain 59% 10 mph SSW 76%
12 PM 23° Rain 56% 10 mph SW 77%
1 PM 27° Rain 57% 10 mph SW 77%
2 PM 27° Rain 57% 10 mph SW 77%
3 PM 27° Rain 57% 10 mph SW 76%
4 PM 27° Rain 48% 9 mph SW 78%
5 PM 24° Drizzle 43% 8 mph WSW 81%
15-Day Forecast
Today
6/23
Mostly Cloudy
21%
16°
27°
Wed
6/24
Rain
56%
16°
28°
Thu
6/25
Rain
61%
17°
27°
Fri
6/26
Rain
76%
17°
24°
Sat
6/27
Rain
47%
19°
30°
Sun
6/28
Clear
53%
22°
32°
Mon
6/29
Clear
21%
22°
33°
Tue
6/30
Clear
21%
23°
33°
Wed
7/1
Thunderstorm
50%
23°
34°
Thu
7/2
Drizzle
54%
24°
33°
Fri
7/3
Thunderstorm
53%
23°
34°
Sat
7/4
Thunderstorm
71%
21°
34°
Sun
7/5
Thunderstorm
66%
20°
34°
Mon
7/6
Thunderstorm
66%
19°
34°
Tue
7/7
Thunderstorm
66%
19°
34°
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, 22:00'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
SBCAPE185 J/kg
MLCAPE8 J/kg
MUCAPE185 J/kg
SBCIN-26 J/kg
MLCIN0 J/kg
Lifted Index-0.6
Kinematics
0–6 km Shear33 kt
0–1 km Shear1 kt
Eff. Shear32 kt
0–1 km SRH-5
0–3 km SRH-108
Eff. SRH-108
Storm Motion258° @ 23 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index17.5
Thermo & Levels
PWAT1.17 in
0–3 km LR6.5 °C/km
700–500 LR5.8 °C/km
Total Totals40.8
LCL887 hPa
LFC864 hPa
EL306 hPa
Freezing Lvl13,402 ft