Heat Advisory — Fulton, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Coles, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL 8:00 PM

Sangamon County, Illinois, United States

Last updated: 5:11 AM CDT  ·  Refresh
26°C
Feels like 28°
Partly Cloudy
▲ 34°  /  ▼ 23°
Wind
8 mph SSW
Humidity
78%
Dew Point
23°
Pressure
29.32 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
31%
Sunrise
6:07 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sangamon County is currently partly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3980 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 7:59PM.

Alerts

Heat Advisory
Fulton, IL, Schuyler, IL, Mason, IL, Logan, IL, Cass, IL, Menard, IL, Scott, IL, Morgan, IL, Sangamon, IL, Christian, IL, Macon, IL, Moultrie, IL, Coles, IL, Shelby, IL, Cumberland, IL, Clark, IL, Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL
Expires 8:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
11%
6 AM
25°
27%
7 AM
25°
27%
8 AM
27°
27%
9 AM
27°
27%
10 AM
29°
23%
11 AM
30°
23%
12 PM
32°
24%
1 PM
33°
18%
2 PM
33°
20%
3 PM
34°
24%
4 PM
34°
39%
5 PM
34°
37%
6 PM
33°
40%
7 PM
32°
37%
8 PM
30°
38%
9 PM
28°
41%
10 PM
27°
33%
11 PM
27°
24%
12 AM
26°
14%
1 AM
26°
16%
2 AM
26°
19%
3 AM
25°
19%
4 AM
24°
32%
7-Day Forecast
Today
34° 23°
Partly Cloudy with a 38% chance of rain.
Wed
31° 23°
Mostly Cloudy with a 76% chance of rain.
Thu
32° 22°
Partly Cloudy with a 76% chance of rain.
Fri
28° 21°
Overcast with a 81% chance of rain.
Sat
33° 22°
Partly Cloudy with a 27% chance of rain.
Sun
32° 20°
Thunderstorm, 46% chance.
Mon
29° 19°
Mostly Clear with a 49% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 11% 8 mph SSW 78%
6 AM 25° Partly Cloudy 27% 9 mph SSW 74%
7 AM 25° Partly Cloudy 27% 9 mph SW 74%
8 AM 27° Partly Cloudy 27% 10 mph SW 71%
9 AM 27° Partly Cloudy 27% 10 mph SW 68%
10 AM 29° Partly Cloudy 23% 10 mph SW 65%
11 AM 30° Partly Cloudy 23% 11 mph WSW 62%
12 PM 32° Partly Cloudy 24% 12 mph SW 56%
1 PM 33° Partly Cloudy 18% 13 mph SW 51%
2 PM 33° Partly Cloudy 20% 13 mph WSW 50%
3 PM 34° Partly Cloudy 24% 12 mph WSW 49%
4 PM 34° Mostly Cloudy 39% 12 mph WSW 50%
5 PM 34° Partly Cloudy 37% 10 mph WSW 54%
6 PM 33° Partly Cloudy 40% 8 mph SW 60%
7 PM 32° Partly Cloudy 37% 7 mph SW 65%
8 PM 30° Mostly Clear 38% 5 mph SW 71%
9 PM 28° Mostly Clear 41% 6 mph SW 77%
10 PM 27° Clear 33% 7 mph SW 80%
11 PM 27° Clear 24% 6 mph SW 82%
12 AM 26° Mostly Clear 14% 5 mph SW 83%
1 AM 26° Mostly Clear 16% 6 mph SSW 84%
2 AM 26° Mostly Clear 19% 6 mph SSW 83%
3 AM 25° Partly Cloudy 19% 6 mph SW 83%
4 AM 24° Mostly Cloudy 32% 5 mph SSW 82%
15-Day Forecast
Today
8/11
Partly Cloudy
38%
23°
34°
Wed
8/12
Mostly Cloudy
76%
23°
31°
Thu
8/13
Partly Cloudy
76%
22°
32°
Fri
8/14
Overcast
81%
21°
28°
Sat
8/15
Partly Cloudy
27%
22°
33°
Sun
8/16
Thunderstorm
46%
20°
32°
Mon
8/17
Mostly Clear
49%
19°
29°
Tue
8/18
Drizzle
49%
19°
32°
Wed
8/19
Overcast
35%
22°
34°
Thu
8/20
Mostly Clear
35%
21°
35°
Fri
8/21
Drizzle
60%
19°
35°
Sat
8/22
Drizzle
60%
19°
32°
Sun
8/23
Drizzle
60%
19°
32°
Mon
8/24
Drizzle
60%
18°
30°
Tue
8/25
Drizzle
60%
18°
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 10.4 µg/m³
O3
Ground-level ozone
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 40 53
Wed 40 Good 40 39
Thu 44 Good 44 41
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 Tue Aug 11, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2177 J/kg
MLCAPE2196 J/kg
MUCAPE3061 J/kg
SBCIN-411 J/kg
MLCIN0 J/kg
Lifted Index-6.5
Kinematics
0–6 km Shear17 kt
0–1 km Shear23 kt
Eff. Shear16 kt
0–1 km SRH187
0–3 km SRH182
Eff. SRH40
Storm Motion310° @ 21 kt
0–1 km EHI2.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.1
Thermo & Levels
PWAT1.55 in
0–3 km LR4.5 °C/km
700–500 LR7.7 °C/km
Total Totals51.6
LCL951 hPa
LFC682 hPa
EL171 hPa
Freezing Lvl14,472 ft