Flood Warning — Brown County, IL, Cass County, IL, Morgan County, IL, Schuyler County, IL

Brown County, Illinois, United States

Last updated: 2:25 PM CDT  ·  Refresh
27°C
Feels like 28°
Mostly Clear
▲ 27°  /  ▼ 17°
Wind
10 mph NNW
Humidity
62%
Dew Point
18°
Pressure
29.36 inHg
Visibility
10 mi
UV Index
8.8
Cloud Cover
23%
Sunrise
6:16 AM
Sunset
7:56 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Brown County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:16AM · Sunset: 7:56PM.

Alerts

Flood Warning
Brown County, IL, Cass County, IL, Morgan County, IL, Schuyler County, IL
Expires
33 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
3 PM
24°
3%
4 PM
24°
3%
5 PM
26°
3%
6 PM
25°
3%
7 PM
24°
3%
8 PM
22°
3%
9 PM
22°
3%
10 PM
21°
3%
11 PM
20°
3%
12 AM
19°
3%
1 AM
19°
3%
2 AM
19°
3%
3 AM
19°
3%
4 AM
19°
3%
5 AM
17°
3%
6 AM
17°
3%
7 AM
18°
3%
8 AM
19°
3%
9 AM
20°
3%
10 AM
21°
3%
11 AM
22°
3%
12 PM
22°
3%
1 PM
22°
18%
7-Day Forecast
Today
27° 17°
Partly Cloudy.
Tue
27° 17°
Mostly Cloudy with a 59% chance of rain.
Wed
26° 17°
Mostly Cloudy with a 67% chance of rain.
Thu
26° 15°
Clear with a 52% chance of rain.
Fri
26° 14°
Clear with a 35% chance of rain.
Sat
27° 15°
Clear with a 60% chance of rain.
Sun
27° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 3% 10 mph NNW 62%
3 PM 24° Mostly Clear 3% 9 mph NNW 60%
4 PM 24° Partly Cloudy 3% 9 mph NNW 60%
5 PM 26° Mostly Cloudy 3% 7 mph NNW 63%
6 PM 25° Mostly Cloudy 3% 6 mph NNW 68%
7 PM 24° Mostly Cloudy 3% 4 mph NNW 73%
8 PM 22° Partly Cloudy 3% 4 mph NNW 77%
9 PM 22° Partly Cloudy 3% 4 mph NW 79%
10 PM 21° Partly Cloudy 3% 3 mph NW 82%
11 PM 20° Mostly Clear 3% 2 mph WNW 85%
12 AM 19° Mostly Clear 3% 2 mph SSW 88%
1 AM 19° Mostly Clear 3% 4 mph SSW 90%
2 AM 19° Mostly Clear 3% 4 mph SSW 91%
3 AM 19° Mostly Clear 3% 4 mph SSW 91%
4 AM 19° Partly Cloudy 3% 5 mph SSW 92%
5 AM 17° Partly Cloudy 3% 4 mph SSW 92%
6 AM 17° Partly Cloudy 3% 4 mph SW 92%
7 AM 18° Partly Cloudy 3% 5 mph SW 89%
8 AM 19° Partly Cloudy 3% 6 mph SW 82%
9 AM 20° Mostly Cloudy 3% 6 mph SW 75%
10 AM 21° Mostly Cloudy 3% 6 mph SW 72%
11 AM 22° Mostly Cloudy 3% 6 mph SW 71%
12 PM 22° Mostly Cloudy 3% 6 mph SW 70%
1 PM 22° Mostly Cloudy 18% 7 mph SW 69%
15-Day Forecast
Today
8/17
Partly Cloudy
3%
17°
27°
Tue
8/18
Mostly Cloudy
59%
17°
27°
Wed
8/19
Mostly Cloudy
67%
17°
26°
Thu
8/20
Clear
52%
15°
26°
Fri
8/21
Clear
35%
14°
26°
Sat
8/22
Clear
60%
15°
27°
Sun
8/23
Clear
9%
17°
27°
Mon
8/24
Clear
25%
17°
27°
Tue
8/25
Clear
60%
18°
28°
Wed
8/26
Clear
25%
16°
27°
Thu
8/27
Clear
25%
12°
26°
Fri
8/28
Drizzle
60%
17°
27°
Sat
8/29
Clear
25%
17°
27°
Sun
8/30
Drizzle
60%
17°
27°
Mon
8/31
Drizzle
60%
17°
28°
33
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
33 AQI 6.1 µg/m³
O3
Ground-level ozone
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 33 Good 32 33
Wed 41 Good 28 41
Thu 32 Good 32 26
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 Mon Aug 17, 18:00'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
SBCAPE59 J/kg
MLCAPE6 J/kg
MUCAPE59 J/kg
SBCIN0 J/kg
MLCIN-5 J/kg
Lifted Index1.4
Kinematics
0–6 km Shear17 kt
0–1 km Shear3 kt
Eff. Shear—
0–1 km SRH-4
0–3 km SRH52
Eff. SRH—
Storm Motion329° @ 28 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index4.1
Thermo & Levels
PWAT1.09 in
0–3 km LR5.5 °C/km
700–500 LR6.0 °C/km
Total Totals35.0
LCL874 hPa
LFC994 hPa
EL785 hPa
Freezing Lvl14,843 ft