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

Fulton County, Illinois, United States

Last updated: 7:11 PM CDT  ·  Refresh
26°C
Feels like 28°
Partly Cloudy
▲ 31°  /  ▼ 19°
Wind
9 mph N
Humidity
86%
Dew Point
22°
Pressure
29.27 inHg
Visibility
10 mi
UV Index
3.4
Cloud Cover
30%
Sunrise
5:35 AM
Sunset
8:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fulton County is currently partly cloudy at 26°C. Precipitation is likely — peak probability 60% around 8 PM. Atmospheric instability is elevated (CAPE up to 1577 J/kg) — isolated convective development possible. Sunrise: 5:35AM · Sunset: 8:34PM.

Alerts

Flood Warning
Brown County, IL, Cass County, IL, Morgan County, IL, Schuyler County, IL, Fulton County, IL, Mason County, IL
Expires
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
28%
8 PM
26°
60%
9 PM
24°
30%
10 PM
23°
19%
11 PM
23°
19%
12 AM
22°
19%
1 AM
21°
7%
2 AM
21°
7%
3 AM
21°
8%
4 AM
21°
8%
5 AM
19°
5%
6 AM
19°
7%
7 AM
19°
12%
8 AM
21°
21%
9 AM
23°
33%
10 AM
24°
33%
11 AM
24°
33%
12 PM
26°
26%
1 PM
26°
34%
2 PM
28°
34%
3 PM
28°
25%
4 PM
27°
25%
5 PM
28°
17%
6 PM
27°
13%
7-Day Forecast
Tonight
31° 19°
Partly Cloudy with a 28% chance of rain.
Sun
28° 19°
Mostly Cloudy with a 34% chance of rain.
Mon
29° 18°
Mostly Clear.
Tue
30° 16°
Mostly Clear.
Wed
30° 17°
Mostly Clear with a 30% chance of rain.
Thu
27° 19°
Rain, 82% chance.
Fri
28° 18°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 28% 9 mph N 86%
8 PM 26° Partly Cloudy 60% 7 mph NE 90%
9 PM 24° Mostly Cloudy 30% 4 mph NNE 92%
10 PM 23° Mostly Cloudy 19% 4 mph NNW 94%
11 PM 23° Mostly Cloudy 19% 3 mph N 95%
12 AM 22° Overcast 19% 2 mph N 96%
1 AM 21° Overcast 7% 3 mph NNW 97%
2 AM 21° Overcast 7% 4 mph N 97%
3 AM 21° Overcast 8% 4 mph NNE 97%
4 AM 21° Mostly Cloudy 8% 3 mph NNE 97%
5 AM 19° Mostly Cloudy 5% 3 mph NNE 96%
6 AM 19° Mostly Cloudy 7% 4 mph NNE 96%
7 AM 19° Fog 12% 4 mph NNE 95%
8 AM 21° Mostly Cloudy 21% 5 mph N 92%
9 AM 23° Overcast 33% 5 mph N 88%
10 AM 24° Drizzle 33% 5 mph N 85%
11 AM 24° Drizzle 33% 6 mph N 79%
12 PM 26° Drizzle 26% 6 mph N 75%
1 PM 26° Drizzle 34% 6 mph N 71%
2 PM 28° Mostly Cloudy 34% 6 mph N 71%
3 PM 28° Mostly Cloudy 25% 7 mph N 71%
4 PM 27° Mostly Cloudy 25% 7 mph N 72%
5 PM 28° Partly Cloudy 17% 7 mph N 74%
6 PM 27° Partly Cloudy 13% 7 mph N 77%
15-Day Forecast
Today
7/4
Partly Cloudy
28%
19°
31°
Sun
7/5
Mostly Cloudy
34%
19°
28°
Mon
7/6
Mostly Clear
12%
18°
29°
Tue
7/7
Mostly Clear
14%
16°
30°
Wed
7/8
Mostly Clear
30%
17°
30°
Thu
7/9
Rain
82%
19°
27°
Fri
7/10
Rain
64%
18°
28°
Sat
7/11
Mostly Clear
53%
17°
26°
Sun
7/12
Drizzle
43%
15°
27°
Mon
7/13
Mostly Clear
44%
16°
29°
Tue
7/14
Drizzle
51%
17°
29°
Wed
7/15
Drizzle
60%
18°
29°
Thu
7/16
Drizzle
60%
17°
26°
Fri
7/17
Drizzle
60%
17°
27°
Sat
7/18
Drizzle
60%
18°
27°
53
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
53 AQI 10.2 µg/m³
O3
Ground-level ozone
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 35 53
Mon 49 Good 39 49
Tue 60 Moderate 40 60
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 Sat Jul 4, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1455 J/kg
MLCAPE1391 J/kg
MUCAPE1916 J/kg
SBCIN-15 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear18 kt
0–1 km Shear13 kt
Eff. Shear18 kt
0–1 km SRH-76
0–3 km SRH-101
Eff. SRH-101
Storm Motion237° @ 16 kt
0–1 km EHI-0.7
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.6
Thermo & Levels
PWAT1.69 in
0–3 km LR6.1 °C/km
700–500 LR5.3 °C/km
Total Totals43.8
LCL943 hPa
LFC903 hPa
EL189 hPa
Freezing Lvl14,659 ft