Heat Advisory — Jefferson, IL, Perry, IL, Franklin, IL, Jackson, IL, Williamson, IL, Union, IL, Johnson, IL, Pope, IL, Alexander, IL, Pulaski, IL, Massac, IL, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO 7:00 PM

Franklin County, Illinois, United States

Last updated: 12:13 PM CDT  ·  Refresh
32°C
Feels like 41°
Partly Cloudy
▲ 36°  /  ▼ 23°
Wind
4 mph SW
Humidity
70%
Dew Point
26°
Pressure
29.48 inHg
Visibility
10 mi
UV Index
8.3
Cloud Cover
56%
Sunrise
5:53 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Franklin County is currently partly cloudy at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4309 J/kg) — isolated convective development possible. Sunrise: 5:53AM · Sunset: 8:10PM.

Alerts

Heat Advisory
Jefferson, IL, Perry, IL, Franklin, IL, Jackson, IL, Williamson, IL, Union, IL, Johnson, IL, Pope, IL, Alexander, IL, Pulaski, IL, Massac, IL, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO
Expires 7:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
17%
1 PM
34°
26%
2 PM
34°
29%
3 PM
35°
17%
4 PM
36°
38%
5 PM
36°
43%
6 PM
36°
37%
7 PM
34°
36%
8 PM
33°
37%
9 PM
30°
46%
10 PM
29°
45%
11 PM
28°
45%
12 AM
27°
28%
1 AM
26°
19%
2 AM
25°
20%
3 AM
24°
20%
4 AM
24°
20%
5 AM
23°
16%
6 AM
24°
5%
7 AM
25°
3%
8 AM
26°
10%
9 AM
28°
10%
10 AM
29°
10%
11 AM
31°
11%
7-Day Forecast
Today
36° 23°
Partly Cloudy with a 46% chance of rain.
Mon
37° 23°
Partly Cloudy with a 40% chance of rain.
Tue
36° 22°
Mostly Clear with a 49% chance of rain.
Wed
30° 19°
Clear with a 42% chance of rain.
Thu
31° 18°
Clear.
Fri
29° 19°
Drizzle, 60% chance.
Sat
29° 19°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 17% 4 mph SW 70%
1 PM 34° Partly Cloudy 26% 6 mph WSW 66%
2 PM 34° Partly Cloudy 29% 7 mph WSW 64%
3 PM 35° Partly Cloudy 17% 8 mph WSW 62%
4 PM 36° Mostly Clear 38% 8 mph WSW 61%
5 PM 36° Mostly Clear 43% 6 mph WSW 63%
6 PM 36° Mostly Clear 37% 5 mph WSW 66%
7 PM 34° Partly Cloudy 36% 4 mph SW 72%
8 PM 33° Partly Cloudy 37% 4 mph SSW 77%
9 PM 30° Partly Cloudy 46% 5 mph SSW 82%
10 PM 29° Overcast 45% 5 mph SSW 86%
11 PM 28° Mostly Cloudy 45% 5 mph S 88%
12 AM 27° Mostly Cloudy 28% 6 mph SE 90%
1 AM 26° Partly Cloudy 19% 8 mph SE 92%
2 AM 25° Partly Cloudy 20% 8 mph SE 92%
3 AM 24° Partly Cloudy 20% 7 mph SSE 92%
4 AM 24° Partly Cloudy 20% 6 mph S 91%
5 AM 23° Partly Cloudy 16% 6 mph S 90%
6 AM 24° Partly Cloudy 5% 6 mph SSW 89%
7 AM 25° Partly Cloudy 3% 7 mph SSW 87%
8 AM 26° Mostly Clear 10% 7 mph SSW 82%
9 AM 28° Mostly Clear 10% 7 mph SSW 78%
10 AM 29° Mostly Clear 10% 8 mph SSW 74%
11 AM 31° Partly Cloudy 11% 6 mph SSW 71%
15-Day Forecast
Today
7/26
Partly Cloudy
46%
23°
36°
Mon
7/27
Partly Cloudy
40%
23°
37°
Tue
7/28
Mostly Clear
49%
22°
36°
Wed
7/29
Clear
42%
19°
30°
Thu
7/30
Clear
19%
18°
31°
Fri
7/31
Drizzle
60%
19°
29°
Sat
8/1
Clear
35%
19°
29°
Sun
8/2
Drizzle
60%
19°
29°
Mon
8/3
Drizzle
60%
19°
31°
Tue
8/4
Drizzle
60%
21°
33°
Wed
8/5
Drizzle
60%
22°
33°
Thu
8/6
Drizzle
60%
21°
32°
Fri
8/7
Drizzle
60%
20°
31°
Sat
8/8
Drizzle
60%
20°
32°
Sun
8/9
Drizzle
60%
21°
33°
54
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
54 AQI 10.8 µg/m³
O3
Ground-level ozone
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 54 Moderate 42 54
Tue 55 Moderate 36 55
Wed 43 Good 43 42
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 Sun Jul 26, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4956 J/kg
MLCAPE3478 J/kg
MUCAPE4956 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-8.7
Kinematics
0–6 km Shear21 kt
0–1 km Shear6 kt
Eff. Shear27 kt
0–1 km SRH-8
0–3 km SRH-43
Eff. SRH-43
Storm Motion292° @ 20 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.5
Thermo & Levels
PWAT1.96 in
0–3 km LR6.6 °C/km
700–500 LR6.0 °C/km
Total Totals48.3
LCL918 hPa
LFC998 hPa
EL128 hPa
Freezing Lvl16,719 ft