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

Jasper County, Illinois, United States

Last updated: 1:54 AM CDT  ·  Refresh
25°C
Feels like 27°
Clear
▲ 36°  /  ▼ 23°
Wind
5 mph SSW
Humidity
72%
Dew Point
20°
Pressure
29.44 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:23 AM
Sunset
7:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jasper County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1105 J/kg) — isolated convective development possible. Sunrise: 6:23AM · Sunset: 7:19PM.

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
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
8%
2 AM
25°
8%
3 AM
24°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
24°
3%
8 AM
27°
7%
9 AM
29°
7%
10 AM
32°
7%
11 AM
32°
8%
12 PM
33°
8%
1 PM
36°
8%
2 PM
36°
8%
3 PM
36°
8%
4 PM
36°
8%
5 PM
36°
8%
6 PM
35°
3%
7 PM
34°
3%
8 PM
33°
3%
9 PM
28°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
27°
3%
7-Day Forecast
Today
36° 23°
Clear.
Fri
40° 23°
Clear with a 26% chance of rain.
Sat
41° 23°
Mostly Clear with a 20% chance of rain.
Sun
33° 17°
Fog.
Mon
37° 14°
Clear.
Tue
40° 18°
Clear.
Wed
42° 23°
Clear with a 27% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Clear 8% 5 mph SSW 72%
2 AM 25° Clear 8% 5 mph SSW 70%
3 AM 24° Clear 3% 5 mph SSW 72%
4 AM 24° Clear 3% 5 mph SSW 74%
5 AM 22° Clear 3% 5 mph SSW 77%
6 AM 22° Clear 3% 5 mph SSW 79%
7 AM 24° Clear 3% 5 mph SSW 75%
8 AM 27° Clear 7% 7 mph SW 67%
9 AM 29° Clear 7% 8 mph SW 59%
10 AM 32° Clear 7% 8 mph SW 52%
11 AM 32° Mostly Clear 8% 9 mph SW 47%
12 PM 33° Mostly Clear 8% 9 mph WSW 42%
1 PM 36° Mostly Clear 8% 8 mph SW 39%
2 PM 36° Clear 8% 8 mph SW 38%
3 PM 36° Clear 8% 8 mph SW 37%
4 PM 36° Clear 8% 6 mph SW 40%
5 PM 36° Clear 8% 5 mph SSW 46%
6 PM 35° Clear 3% 4 mph S 52%
7 PM 34° Clear 3% 4 mph SSE 55%
8 PM 33° Clear 3% 5 mph SSE 56%
9 PM 28° Clear 3% 6 mph SSE 57%
10 PM 28° Clear 3% 6 mph SSE 59%
11 PM 27° Clear 3% 6 mph SSE 60%
12 AM 27° Clear 3% 6 mph S 62%
15-Day Forecast
Today
9/3
Clear
8%
23°
36°
Fri
9/4
Clear
26%
23°
40°
Sat
9/5
Mostly Clear
20%
23°
41°
Sun
9/6
Fog
16%
17°
33°
Mon
9/7
Clear
8%
14°
37°
Tue
9/8
Clear
17%
18°
40°
Wed
9/9
Clear
27%
23°
42°
Thu
9/10
Drizzle
68%
21°
42°
Fri
9/11
Rain
68%
20°
39°
Sat
9/12
Drizzle
51%
21°
40°
Sun
9/13
Drizzle
60%
20°
36°
Mon
9/14
Drizzle
60%
20°
36°
Tue
9/15
Drizzle
60%
18°
34°
Wed
9/16
Drizzle
60%
17°
33°
Thu
9/17
Drizzle
60%
17°
33°
51
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
51 AQI 9.2 µg/m³
O3
Ground-level ozone
45 AQI 50 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 45 51
Fri 53 Moderate 44 53
Sat 50 Good 43 50
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE94 J/kg
MLCAPE60 J/kg
MUCAPE343 J/kg
SBCIN-577 J/kg
MLCIN-346 J/kg
Lifted Index-0.7
Kinematics
0–6 km Shear14 kt
0–1 km Shear14 kt
Eff. Shear7 kt
0–1 km SRH23
0–3 km SRH4
Eff. SRH-29
Storm Motion326° @ 9 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.2
Thermo & Levels
PWAT1.38 in
0–3 km LR4.8 °C/km
700–500 LR6.2 °C/km
Total Totals44.5
LCL926 hPa
LFC547 hPa
EL316 hPa
Freezing Lvl15,863 ft