Extreme Heat Warning — Knox, IL, Stark, IL, Peoria, IL, Marshall, IL, Woodford, IL, Fulton, IL, Tazewell, IL, McLean, IL, Schuyler, IL, Mason, IL, Logan, IL, De Witt, IL, Piatt, IL, Champaign, IL, Vermilion, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Douglas, IL, Coles, IL, Edgar, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL 7:00 PM Heat Advisory — Knox, IL, Stark, IL, Peoria, IL, Marshall, IL, Woodford, IL, Fulton, IL, Tazewell, IL, McLean, IL, Schuyler, IL, Mason, IL, Logan, IL, De Witt, IL, Piatt, IL, Champaign, IL, Vermilion, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Douglas, IL, Coles, IL, Edgar, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL 7:00 PM

Fulton County, Illinois, United States

Last updated: 1:52 AM CDT  ·  Refresh
26°C
Feels like 27°
Clear
▲ 36°  /  ▼ 23°
Wind
6 mph S
Humidity
69%
Dew Point
20°
Pressure
29.27 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:30 AM
Sunset
7:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fulton County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2191 J/kg) — isolated convective development possible. Sunrise: 6:30AM · Sunset: 7:29PM.

Alerts

Extreme Heat Warning
Knox, IL, Stark, IL, Peoria, IL, Marshall, IL, Woodford, IL, Fulton, IL, Tazewell, IL, McLean, IL, Schuyler, IL, Mason, IL, Logan, IL, De Witt, IL, Piatt, IL, Champaign, IL, Vermilion, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Douglas, IL, Coles, IL, Edgar, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL
Expires 7:00 PM
Heat Advisory
Knox, IL, Stark, IL, Peoria, IL, Marshall, IL, Woodford, IL, Fulton, IL, Tazewell, IL, McLean, IL, Schuyler, IL, Mason, IL, Logan, IL, De Witt, IL, Piatt, IL, Champaign, IL, Vermilion, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Douglas, IL, Coles, IL, Edgar, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL
Expires 7:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
5%
2 AM
25°
5%
3 AM
24°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
21°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
35°
3%
2 PM
35°
3%
3 PM
35°
3%
4 PM
34°
3%
5 PM
33°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
28°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
27°
3%
7-Day Forecast
Today
36° 23°
Mostly Clear.
Fri
38° 23°
Mostly Clear.
Sat
37° 22°
Mostly Clear.
Sun
31° 18°
Fog.
Mon
32° 14°
Clear.
Tue
38° 18°
Drizzle, 43% chance.
Wed
40° 22°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 5% 6 mph S 68%
2 AM 25° Clear 5% 6 mph SSW 64%
3 AM 24° Clear 3% 6 mph SSW 67%
4 AM 24° Clear 3% 6 mph S 70%
5 AM 22° Clear 3% 6 mph S 74%
6 AM 21° Clear 3% 6 mph S 77%
7 AM 23° Clear 3% 6 mph SSW 75%
8 AM 25° Mostly Clear 3% 8 mph SW 68%
9 AM 28° Mostly Clear 3% 10 mph SW 62%
10 AM 29° Mostly Clear 3% 9 mph WSW 58%
11 AM 31° Mostly Clear 3% 9 mph WSW 54%
12 PM 32° Mostly Clear 3% 8 mph WSW 50%
1 PM 35° Mostly Clear 3% 7 mph WSW 48%
2 PM 35° Mostly Clear 3% 6 mph SW 48%
3 PM 35° Mostly Clear 3% 6 mph SW 47%
4 PM 34° Mostly Clear 3% 6 mph SW 50%
5 PM 33° Mostly Clear 3% 6 mph SSW 55%
6 PM 32° Clear 3% 7 mph S 61%
7 PM 31° Clear 3% 7 mph S 62%
8 PM 30° Clear 3% 7 mph S 61%
9 PM 28° Clear 3% 7 mph S 61%
10 PM 28° Clear 3% 7 mph S 61%
11 PM 27° Clear 3% 7 mph S 63%
12 AM 27° Clear 3% 6 mph SSW 64%
15-Day Forecast
Today
9/3
Mostly Clear
5%
23°
36°
Fri
9/4
Mostly Clear
16%
23°
38°
Sat
9/5
Mostly Clear
13%
22°
37°
Sun
9/6
Fog
17%
18°
31°
Mon
9/7
Clear
16%
14°
32°
Tue
9/8
Drizzle
43%
18°
38°
Wed
9/9
Clear
31%
22°
40°
Thu
9/10
Drizzle
43%
20°
37°
Fri
9/11
Drizzle
68%
19°
38°
Sat
9/12
Drizzle
51%
21°
38°
Sun
9/13
Drizzle
60%
19°
32°
Mon
9/14
Drizzle
60%
19°
33°
Tue
9/15
Drizzle
60%
18°
31°
Wed
9/16
Drizzle
60%
17°
30°
Thu
9/17
Drizzle
60%
16°
29°
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 10.3 µg/m³
O3
Ground-level ozone
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 38 53
Fri 37 Good 35 37
Sat 38 Good 38 35
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 Thu Sep 3, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE224 J/kg
MLCAPE217 J/kg
MUCAPE479 J/kg
SBCIN-511 J/kg
MLCIN-260 J/kg
Lifted Index-0.9
Kinematics
0–6 km Shear22 kt
0–1 km Shear15 kt
Eff. Shear16 kt
0–1 km SRH75
0–3 km SRH58
Eff. SRH-3
Storm Motion315° @ 15 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.7
Thermo & Levels
PWAT1.31 in
0–3 km LR5.2 °C/km
700–500 LR5.8 °C/km
Total Totals44.8
LCL914 hPa
LFC546 hPa
EL259 hPa
Freezing Lvl15,935 ft