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

Jasper County, Illinois, United States

Last updated: 3:46 PM CDT  ·  Refresh
88°F
Feels like 98°
Mostly Cloudy
▲ 90°  /  ▼ 74°
Wind
7 mph SSW
Humidity
66%
Dew Point
76°
Pressure
29.50 inHg
Visibility
9 mi
UV Index
6.4
Cloud Cover
61%
Sunrise
6:06 AM
Sunset
7:47 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jasper County is currently mostly cloudy at 88°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3065 J/kg) — isolated convective development possible. Sunrise: 6:06AM · Sunset: 7:47PM.

42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
88°
5%
4 PM
87°
5%
5 PM
89°
5%
6 PM
87°
5%
7 PM
86°
13%
8 PM
83°
13%
9 PM
81°
13%
10 PM
80°
21%
11 PM
79°
22%
12 AM
78°
22%
1 AM
78°
23%
2 AM
77°
23%
3 AM
77°
24%
4 AM
77°
18%
5 AM
75°
25%
6 AM
76°
19%
7 AM
76°
19%
8 AM
77°
24%
9 AM
74°
24%
10 AM
76°
24%
11 AM
77°
20%
12 PM
78°
20%
1 PM
82°
20%
2 PM
84°
31%
7-Day Forecast
Today
90° 74°
Partly Cloudy.
Sun
86° 74°
Overcast with a 36% chance of rain.
Mon
81° 66°
Mostly Cloudy with a 21% chance of rain.
Tue
83° 59°
Partly Cloudy with a 56% chance of rain.
Wed
85° 65°
Drizzle, 60% chance.
Thu
79° 63°
Drizzle, 60% chance.
Fri
82° 62°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 88° Mostly Cloudy 5% 7 mph SSW 66%
4 PM 87° Mostly Cloudy 5% 8 mph SW 67%
5 PM 89° Partly Cloudy 5% 6 mph SW 72%
6 PM 87° Partly Cloudy 5% 4 mph SW 78%
7 PM 86° Clear 13% 3 mph SW 80%
8 PM 83° Mostly Clear 13% 4 mph S 81%
9 PM 81° Clear 13% 4 mph S 82%
10 PM 80° Clear 21% 4 mph S 83%
11 PM 79° Mostly Clear 22% 5 mph S 85%
12 AM 78° Mostly Clear 22% 6 mph S 85%
1 AM 78° Mostly Clear 23% 6 mph SSW 84%
2 AM 77° Partly Cloudy 23% 6 mph SSW 82%
3 AM 77° Partly Cloudy 24% 6 mph SW 81%
4 AM 77° Partly Cloudy 18% 7 mph SW 81%
5 AM 75° Partly Cloudy 25% 7 mph SW 81%
6 AM 76° Mostly Cloudy 19% 8 mph WSW 80%
7 AM 76° Mostly Cloudy 19% 8 mph W 81%
8 AM 77° Rain 24% 10 mph W 82%
9 AM 74° Rain 24% 12 mph WNW 83%
10 AM 76° Rain 24% 11 mph WNW 82%
11 AM 77° Mostly Cloudy 20% 9 mph W 80%
12 PM 78° Mostly Cloudy 20% 9 mph W 78%
1 PM 82° Mostly Cloudy 20% 8 mph WSW 78%
2 PM 84° Mostly Cloudy 31% 8 mph W 77%
15-Day Forecast
Today
8/15
Partly Cloudy
13%
74°
90°
Sun
8/16
Overcast
36%
74°
86°
Mon
8/17
Mostly Cloudy
21%
66°
81°
Tue
8/18
Partly Cloudy
56%
59°
83°
Wed
8/19
Drizzle
60%
65°
85°
Thu
8/20
Drizzle
60%
63°
79°
Fri
8/21
Drizzle
60%
62°
82°
Sat
8/22
Clear
60%
63°
84°
Sun
8/23
Clear
25%
63°
84°
Mon
8/24
Clear
25%
64°
87°
Tue
8/25
Drizzle
60%
67°
87°
Wed
8/26
Drizzle
60%
64°
84°
Thu
8/27
Drizzle
60%
62°
83°
Fri
8/28
Drizzle
60%
62°
83°
Sat
8/29
Drizzle
60%
62°
85°
42
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
42 AQI 7.5 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 42 Good 33 42
Mon 46 Good 31 46
Tue 47 Good 32 47
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
SBCAPE3291 J/kg
MLCAPE893 J/kg
MUCAPE3291 J/kg
SBCIN-27 J/kg
MLCIN-130 J/kg
Lifted Index-7.5
Kinematics
0–6 km Shear21 kt
0–1 km Shear12 kt
Eff. Shear24 kt
0–1 km SRH74
0–3 km SRH122
Eff. SRH122
Storm Motion331° @ 15 kt
0–1 km EHI1.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell4.9
K-Index37.2
Thermo & Levels
PWAT2.14 in
0–3 km LR6.8 °C/km
700–500 LR5.9 °C/km
Total Totals46.1
LCL908 hPa
LFC820 hPa
EL137 hPa
Freezing Lvl15,712 ft