Heat Advisory — Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL 8:00 PM

Richland County, Illinois, United States

Last updated: 3:48 PM CDT  ·  Refresh
91°F
Feels like 102°
Mostly Clear
▲ 93°  /  ▼ 76°
Wind
6 mph SSW
Humidity
58%
Dew Point
74°
Pressure
29.56 inHg
Visibility
10 mi
UV Index
7.6
Cloud Cover
28%
Sunrise
6:06 AM
Sunset
7:46 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Richland County is currently mostly clear at 91°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2862 J/kg) — isolated convective development possible. Sunrise: 6:06AM · Sunset: 7:46PM.

Alerts

Heat Advisory
Effingham, IL, Jasper, IL, Crawford, IL, Clay, IL, Richland, IL, Lawrence, IL
Expires 8:00 PM
45 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
91°
5%
4 PM
91°
5%
5 PM
93°
5%
6 PM
90°
5%
7 PM
88°
5%
8 PM
85°
5%
9 PM
82°
8%
10 PM
81°
8%
11 PM
80°
8%
12 AM
79°
8%
1 AM
79°
8%
2 AM
78°
9%
3 AM
78°
9%
4 AM
78°
12%
5 AM
77°
18%
6 AM
76°
19%
7 AM
78°
19%
8 AM
79°
19%
9 AM
77°
13%
10 AM
80°
19%
11 AM
80°
20%
12 PM
81°
15%
1 PM
85°
20%
2 PM
88°
22%
7-Day Forecast
Today
93° 76°
Mostly Clear.
Sun
89° 75°
Mostly Cloudy with a 28% chance of rain.
Mon
84° 66°
Partly Cloudy with a 52% chance of rain.
Tue
84° 61°
Mostly Clear with a 52% chance of rain.
Wed
88° 66°
Drizzle, 60% chance.
Thu
81° 64°
Clear with a 60% chance of rain.
Fri
83° 63°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 91° Mostly Clear 5% 6 mph SSW 58%
4 PM 91° Clear 5% 8 mph SW 60%
5 PM 93° Clear 5% 7 mph SW 66%
6 PM 90° Clear 5% 5 mph WSW 73%
7 PM 88° Clear 5% 4 mph SW 76%
8 PM 85° Clear 5% 3 mph SSW 78%
9 PM 82° Clear 8% 4 mph S 81%
10 PM 81° Clear 8% 5 mph S 82%
11 PM 80° Clear 8% 5 mph S 82%
12 AM 79° Clear 8% 6 mph SSW 81%
1 AM 79° Mostly Clear 8% 7 mph SSW 79%
2 AM 78° Mostly Clear 9% 7 mph SSW 76%
3 AM 78° Mostly Clear 9% 7 mph SSW 75%
4 AM 78° Partly Cloudy 12% 7 mph SW 76%
5 AM 77° Partly Cloudy 18% 7 mph SW 77%
6 AM 76° Partly Cloudy 19% 7 mph SW 78%
7 AM 78° Mostly Cloudy 19% 7 mph WSW 77%
8 AM 79° Mostly Cloudy 19% 9 mph W 76%
9 AM 77° Overcast 13% 10 mph WNW 76%
10 AM 80° Overcast 19% 9 mph WNW 75%
11 AM 80° Overcast 20% 8 mph W 73%
12 PM 81° Mostly Cloudy 15% 8 mph WSW 71%
1 PM 85° Mostly Cloudy 20% 8 mph WSW 70%
2 PM 88° Mostly Cloudy 22% 7 mph WNW 69%
15-Day Forecast
Today
8/15
Mostly Clear
8%
76°
93°
Sun
8/16
Mostly Cloudy
28%
75°
89°
Mon
8/17
Partly Cloudy
52%
66°
84°
Tue
8/18
Mostly Clear
52%
61°
84°
Wed
8/19
Drizzle
60%
66°
88°
Thu
8/20
Clear
60%
64°
81°
Fri
8/21
Drizzle
60%
63°
83°
Sat
8/22
Clear
25%
64°
85°
Sun
8/23
Clear
25%
63°
85°
Mon
8/24
Clear
42%
64°
88°
Tue
8/25
Drizzle
60%
67°
89°
Wed
8/26
Drizzle
60%
65°
86°
Thu
8/27
Clear
60%
63°
85°
Fri
8/28
Drizzle
60%
63°
84°
Sat
8/29
Drizzle
60%
63°
87°
45
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
45 AQI 8.2 µg/m³
O3
Ground-level ozone
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 45 Good 32 45
Mon 46 Good 31 46
Tue 43 Good 34 43
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 Aug 15, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2921 J/kg
MLCAPE1392 J/kg
MUCAPE2921 J/kg
SBCIN-30 J/kg
MLCIN-95 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear18 kt
0–1 km Shear10 kt
Eff. Shear21 kt
0–1 km SRH54
0–3 km SRH94
Eff. SRH94
Storm Motion341° @ 14 kt
0–1 km EHI1.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell3.0
K-Index37.2
Thermo & Levels
PWAT2.12 in
0–3 km LR7.4 °C/km
700–500 LR5.9 °C/km
Total Totals47.1
LCL873 hPa
LFC812 hPa
EL140 hPa
Freezing Lvl15,804 ft