Brown County, Illinois, United States

Last updated: 4:27 PM CDT  ·  Refresh
19°C
Feels like 18°
Clear
▲ 21°  /  ▼ 9°
Wind
4 mph ENE
Humidity
49%
Dew Point
7°
Pressure
29.46 inHg
Visibility
10 mi
UV Index
5.5
Cloud Cover
0%
Sunrise
7:00 AM
Sunset
6:41 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Brown County is currently clear at 19°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:00AM · Sunset: 6:41PM.

Alerts

No active alerts for this location.
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
3%
5 PM
21°
3%
6 PM
19°
3%
7 PM
18°
3%
8 PM
18°
3%
9 PM
16°
3%
10 PM
14°
3%
11 PM
14°
3%
12 AM
13°
3%
1 AM
13°
3%
2 AM
13°
3%
3 AM
12°
3%
4 AM
12°
3%
5 AM
10°
3%
6 AM
9°
3%
7 AM
9°
3%
8 AM
11°
3%
9 AM
13°
3%
10 AM
14°
3%
11 AM
14°
3%
12 PM
16°
3%
1 PM
17°
3%
2 PM
19°
3%
3 PM
24°
3%
7-Day Forecast
Today
21° 9°
Clear.
Sun
24° 9°
Clear.
Mon
22° 9°
Mostly Clear with a 37% chance of rain.
Tue
24° 8°
Clear.
Wed
28° 14°
Clear.
Thu
28° 15°
Clear.
Fri
28° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 19° Clear 3% 4 mph E 49%
5 PM 21° Clear 3% 4 mph ENE 50%
6 PM 19° Clear 3% 3 mph NE 52%
7 PM 18° Clear 3% 4 mph NE 53%
8 PM 18° Clear 3% 3 mph NNE 54%
9 PM 16° Clear 3% 4 mph N 58%
10 PM 14° Clear 3% 5 mph NNW 63%
11 PM 14° Clear 3% 5 mph NNW 64%
12 AM 13° Clear 3% 4 mph NNW 65%
1 AM 13° Clear 3% 5 mph NNW 66%
2 AM 13° Clear 3% 5 mph NNW 67%
3 AM 12° Clear 3% 5 mph NW 68%
4 AM 12° Clear 3% 5 mph NW 69%
5 AM 10° Clear 3% 5 mph NW 70%
6 AM 9° Clear 3% 5 mph WNW 71%
7 AM 9° Clear 3% 6 mph WNW 73%
8 AM 11° Clear 3% 6 mph WNW 70%
9 AM 13° Clear 3% 6 mph NW 66%
10 AM 14° Clear 3% 6 mph NW 64%
11 AM 14° Clear 3% 7 mph NW 63%
12 PM 16° Clear 3% 7 mph NW 62%
1 PM 17° Clear 3% 6 mph NW 62%
2 PM 19° Clear 3% 8 mph NW 62%
3 PM 24° Clear 3% 11 mph NNW 53%
15-Day Forecast
Today
10/3
Clear
3%
9°
21°
Sun
10/4
Clear
3%
9°
24°
Mon
10/5
Mostly Clear
37%
9°
22°
Tue
10/6
Clear
3%
8°
24°
Wed
10/7
Clear
9%
14°
28°
Thu
10/8
Clear
9%
15°
28°
Fri
10/9
Clear
9%
14°
28°
Sat
10/10
Clear
25%
16°
30°
Sun
10/11
Drizzle
60%
17°
27°
Mon
10/12
Drizzle
60%
14°
26°
Tue
10/13
Drizzle
60%
12°
23°
Wed
10/14
Drizzle
60%
12°
24°
Thu
10/15
Drizzle
60%
9°
21°
Fri
10/16
Drizzle
60%
8°
19°
Sat
10/17
Drizzle
60%
8°
18°
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
18 AQI 3.2 µg/m³
O3
Ground-level ozone
Dominant
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 36 Good 36 18
Mon 35 Good 35 24
Tue 36 Good 36 22
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.

Model sounding data is unavailable for this location.