Excessive Heat Warning — Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Perry, IL, Franklin, IL, Hamilton, IL, White, IL, Jackson, IL, Williamson, IL, Saline, IL, Gallatin, IL, Union, IL, Johnson, IL, Pope, IL, Hardin, IL, Alexander, IL, Pulaski, IL, Massac, IL, Gibson, IN, Pike, IN, Posey, IN, Vanderburgh, IN, Warrick, IN, Spencer, IN, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Crittenden, KY, Lyon, KY, Trigg, KY, Caldwell, KY, Union, KY, Webster, KY, Hopkins, KY, Christian, KY, Henderson, KY, Daviess, KY, McLean, KY, Muhlenberg, KY, Todd, 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 8:00 PM

Mississippi County, Missouri, United States

Last updated: 2:27 AM CDT  ·  Refresh
26°C
Feels like 30°
Clear
▲ 37°  /  ▼ 23°
Wind
4 mph SSE
Humidity
80%
Dew Point
23°
Pressure
29.62 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:30 AM
Sunset
7:21 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mississippi County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2081 J/kg) — isolated convective development possible. Sunrise: 6:30AM · Sunset: 7:21PM.

Alerts

Excessive Heat Warning
Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Perry, IL, Franklin, IL, Hamilton, IL, White, IL, Jackson, IL, Williamson, IL, Saline, IL, Gallatin, IL, Union, IL, Johnson, IL, Pope, IL, Hardin, IL, Alexander, IL, Pulaski, IL, Massac, IL, Gibson, IN, Pike, IN, Posey, IN, Vanderburgh, IN, Warrick, IN, Spencer, IN, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Crittenden, KY, Lyon, KY, Trigg, KY, Caldwell, KY, Union, KY, Webster, KY, Hopkins, KY, Christian, KY, Henderson, KY, Daviess, KY, McLean, KY, Muhlenberg, KY, Todd, 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 8:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
16%
3 AM
26°
20%
4 AM
26°
17%
5 AM
23°
17%
6 AM
23°
17%
7 AM
24°
17%
8 AM
26°
17%
9 AM
29°
17%
10 AM
31°
9%
11 AM
33°
9%
12 PM
34°
8%
1 PM
36°
8%
2 PM
36°
8%
3 PM
36°
13%
4 PM
36°
13%
5 PM
37°
10%
6 PM
36°
5%
7 PM
34°
5%
8 PM
33°
9%
9 PM
29°
9%
10 PM
29°
9%
11 PM
28°
9%
12 AM
28°
9%
1 AM
28°
9%
7-Day Forecast
Today
37° 23°
Clear.
Sat
39° 23°
Mostly Clear with a 37% chance of rain.
Sun
38° 20°
Clear with a 39% chance of rain.
Mon
32° 15°
Mostly Clear.
Tue
38° 20°
Clear.
Wed
41° 23°
Clear.
Thu
39° 21°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 16% 4 mph SSE 80%
3 AM 26° Clear 20% 4 mph SSE 80%
4 AM 26° Clear 17% 3 mph S 81%
5 AM 23° Clear 17% 3 mph SSE 82%
6 AM 23° Clear 17% 3 mph SSE 84%
7 AM 24° Clear 17% 3 mph SSE 82%
8 AM 26° Clear 17% 3 mph S 74%
9 AM 29° Clear 17% 3 mph S 65%
10 AM 31° Clear 9% 4 mph S 58%
11 AM 33° Clear 9% 3 mph SSW 52%
12 PM 34° Clear 8% 2 mph SSW 46%
1 PM 36° Mostly Clear 8% 2 mph SW 43%
2 PM 36° Mostly Clear 8% 2 mph SSW 42%
3 PM 36° Mostly Clear 13% 3 mph S 41%
4 PM 36° Mostly Clear 13% 4 mph SSE 42%
5 PM 37° Clear 10% 4 mph SSE 46%
6 PM 36° Clear 5% 4 mph SSE 50%
7 PM 34° Clear 5% 4 mph SSE 54%
8 PM 33° Clear 9% 5 mph SSE 57%
9 PM 29° Clear 9% 5 mph SSE 59%
10 PM 29° Clear 9% 5 mph SSE 61%
11 PM 28° Clear 9% 4 mph SSE 64%
12 AM 28° Clear 9% 4 mph S 66%
1 AM 28° Clear 9% 4 mph S 68%
15-Day Forecast
Today
9/4
Clear
17%
23°
37°
Sat
9/5
Mostly Clear
37%
23°
39°
Sun
9/6
Clear
39%
20°
38°
Mon
9/7
Mostly Clear
3%
15°
32°
Tue
9/8
Clear
3%
20°
38°
Wed
9/9
Clear
17%
23°
41°
Thu
9/10
Rain
28%
21°
39°
Fri
9/11
Drizzle
68%
19°
39°
Sat
9/12
Clear
44%
21°
42°
Sun
9/13
Drizzle
44%
19°
38°
Mon
9/14
Clear
25%
21°
37°
Tue
9/15
Drizzle
60%
22°
37°
Wed
9/16
Drizzle
60%
22°
37°
Thu
9/17
Drizzle
60%
20°
34°
Fri
9/18
Clear
25%
19°
34°
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
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 46 51
Sat 58 Moderate 51 58
Sun 55 Moderate 44 55
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 Fri Sep 4, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1125 J/kg
MLCAPE1017 J/kg
MUCAPE1838 J/kg
SBCIN-313 J/kg
MLCIN-193 J/kg
Lifted Index-2.7
Kinematics
0–6 km Shear3 kt
0–1 km Shear9 kt
Eff. Shear2 kt
0–1 km SRH-16
0–3 km SRH-19
Eff. SRH-27
Storm Motion93° @ 13 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.8
Thermo & Levels
PWAT1.78 in
0–3 km LR5.2 °C/km
700–500 LR5.3 °C/km
Total Totals45.7
LCL960 hPa
LFC752 hPa
EL213 hPa
Freezing Lvl16,545 ft