Flood Warning — Cass County, IL, Fulton County, IL, Mason County, IL Flood Warning — Fulton County, IL, Knox County, IL 9:24 PM Flood Warning — Fulton County, IL 12:24 AM

Fulton County, Illinois, United States

Last updated: 9:53 AM CDT  ·  Refresh
21°C
Feels like 22°
Mostly Clear
▲ 24°  /  ▼ 17°
Wind
6 mph NNW
Humidity
85%
Dew Point
19°
Pressure
29.40 inHg
Visibility
9 mi
UV Index
7.3
Cloud Cover
21%
Sunrise
6:13 AM
Sunset
7:55 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fulton County is currently mostly clear at 21°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:13AM · Sunset: 7:55PM.

Alerts

Flood Warning
Cass County, IL, Fulton County, IL, Mason County, IL
Expires
Flood Warning
Fulton County, IL, Knox County, IL
Expires 9:24 PM
Flood Warning
Fulton County, IL
Expires 12:24 AM
32 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
14%
10 AM
21°
25%
11 AM
22°
16%
12 PM
23°
9%
1 PM
23°
4%
2 PM
22°
4%
3 PM
22°
4%
4 PM
22°
3%
5 PM
24°
3%
6 PM
23°
3%
7 PM
22°
3%
8 PM
21°
3%
9 PM
20°
3%
10 PM
19°
3%
11 PM
19°
3%
12 AM
19°
3%
1 AM
18°
3%
2 AM
18°
3%
3 AM
18°
3%
4 AM
17°
3%
5 AM
17°
3%
6 AM
17°
5%
7 AM
18°
15%
8 AM
19°
25%
7-Day Forecast
Today
24° 17°
Partly Cloudy.
Tue
26° 17°
Partly Cloudy with a 53% chance of rain.
Wed
26° 18°
Partly Cloudy with a 60% chance of rain.
Thu
24° 16°
Fog with a 29% chance of rain.
Fri
24° 15°
Clear with a 30% chance of rain.
Sat
25° 15°
Clear with a 30% chance of rain.
Sun
25° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Clear 14% 6 mph NNW 85%
10 AM 21° Clear 25% 8 mph NNW 76%
11 AM 22° Clear 16% 8 mph NNW 72%
12 PM 23° Clear 9% 8 mph NNW 68%
1 PM 23° Mostly Clear 4% 9 mph NNW 68%
2 PM 22° Partly Cloudy 4% 8 mph NNW 68%
3 PM 22° Mostly Cloudy 4% 8 mph NNW 69%
4 PM 22° Partly Cloudy 3% 7 mph NW 70%
5 PM 24° Partly Cloudy 3% 6 mph NW 72%
6 PM 23° Partly Cloudy 3% 4 mph NW 76%
7 PM 22° Partly Cloudy 3% 4 mph NW 79%
8 PM 21° Partly Cloudy 3% 4 mph NW 82%
9 PM 20° Mostly Clear 3% 4 mph WNW 84%
10 PM 19° Mostly Clear 3% 3 mph WNW 86%
11 PM 19° Clear 3% 3 mph WSW 86%
12 AM 19° Clear 3% 4 mph WSW 87%
1 AM 18° Mostly Clear 3% 4 mph SW 89%
2 AM 18° Mostly Clear 3% 4 mph SW 90%
3 AM 18° Partly Cloudy 3% 4 mph SW 91%
4 AM 17° Partly Cloudy 3% 4 mph SW 91%
5 AM 17° Partly Cloudy 3% 4 mph SW 92%
6 AM 17° Mostly Cloudy 5% 4 mph SW 92%
7 AM 18° Mostly Cloudy 15% 5 mph SW 88%
8 AM 19° Partly Cloudy 25% 5 mph SW 83%
15-Day Forecast
Today
8/17
Partly Cloudy
14%
17°
24°
Tue
8/18
Partly Cloudy
53%
17°
26°
Wed
8/19
Partly Cloudy
60%
18°
26°
Thu
8/20
Fog
29%
16°
24°
Fri
8/21
Clear
30%
15°
24°
Sat
8/22
Clear
30%
15°
25°
Sun
8/23
Clear
8%
17°
25°
Mon
8/24
Drizzle
43%
18°
25°
Tue
8/25
Drizzle
44%
17°
27°
Wed
8/26
Clear
44%
18°
25°
Thu
8/27
Drizzle
60%
16°
24°
Fri
8/28
Drizzle
60%
17°
24°
Sat
8/29
Drizzle
60%
17°
24°
Sun
8/30
Drizzle
60%
16°
24°
Mon
8/31
Drizzle
60%
17°
24°
32
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
32 AQI 5.8 µg/m³
O3
Ground-level ozone
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 32 Good 30 32
Wed 38 Good 27 38
Thu 33 Good 31 33
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, 13:00'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
SBCAPE2 J/kg
MLCAPE19 J/kg
MUCAPE2 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index3.9
Kinematics
0–6 km Shear23 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH-21
0–3 km SRH56
Eff. SRH—
Storm Motion322° @ 27 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index10.6
Thermo & Levels
PWAT1.13 in
0–3 km LR3.7 °C/km
700–500 LR5.7 °C/km
Total Totals34.0
LCL961 hPa
LFC996 hPa
EL970 hPa
Freezing Lvl14,685 ft