Heat Advisory — Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Lake, TN, Obion, TN, Weakley, TN, Henry, TN, Dyer, TN, Gibson, TN, Carroll, TN, Benton, TN, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN 7:00 PM

Prentiss County, Mississippi, United States

Last updated: 4:50 PM CDT  ·  Refresh
34°C
Feels like 38°
Partly Cloudy
▲ 34°  /  ▼ 21°
Wind
4 mph W
Humidity
48%
Dew Point
21°
Pressure
29.49 inHg
Visibility
10 mi
UV Index
5.4
Cloud Cover
41%
Sunrise
6:35 AM
Sunset
7:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Prentiss County is currently partly cloudy at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1496 J/kg) — isolated convective development possible. Sunrise: 6:35AM · Sunset: 7:03PM.

Alerts

Heat Advisory
Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Lake, TN, Obion, TN, Weakley, TN, Henry, TN, Dyer, TN, Gibson, TN, Carroll, TN, Benton, TN, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 7:00 PM
38 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
30%
5 PM
33°
46%
6 PM
31°
22%
7 PM
30°
12%
8 PM
29°
16%
9 PM
27°
21%
10 PM
26°
29%
11 PM
26°
16%
12 AM
25°
13%
1 AM
25°
8%
2 AM
24°
11%
3 AM
24°
8%
4 AM
23°
11%
5 AM
23°
8%
6 AM
23°
8%
7 AM
25°
8%
8 AM
27°
8%
9 AM
27°
5%
10 AM
28°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
34°
3%
7-Day Forecast
Today
34° 21°
Partly Cloudy with a 30% chance of rain.
Mon
37° 23°
Mostly Clear.
Tue
39° 23°
Clear.
Wed
37° 24°
Mostly Clear.
Thu
37° 23°
Mostly Clear.
Fri
37° 22°
Mostly Clear with a 38% chance of rain.
Sat
36° 22°
Clear with a 20% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 34° Partly Cloudy 30% 4 mph W 48%
5 PM 33° Mostly Cloudy 46% 5 mph S 57%
6 PM 31° Mostly Cloudy 22% 4 mph S 66%
7 PM 30° Partly Cloudy 12% 2 mph SW 68%
8 PM 29° Partly Cloudy 16% 2 mph SW 70%
9 PM 27° Partly Cloudy 21% 2 mph SW 71%
10 PM 26° Partly Cloudy 29% 2 mph NNW 73%
11 PM 26° Mostly Cloudy 16% 2 mph NNW 75%
12 AM 25° Partly Cloudy 13% 2 mph NNW 76%
1 AM 25° Partly Cloudy 8% 2 mph NNW 78%
2 AM 24° Mostly Clear 11% 2 mph N 79%
3 AM 24° Mostly Clear 8% 3 mph N 80%
4 AM 23° Mostly Clear 11% 3 mph N 81%
5 AM 23° Mostly Clear 8% 3 mph N 81%
6 AM 23° Mostly Clear 8% 3 mph NNE 82%
7 AM 25° Mostly Clear 8% 3 mph NE 77%
8 AM 27° Mostly Clear 8% 3 mph NE 70%
9 AM 27° Mostly Clear 5% 3 mph ENE 65%
10 AM 28° Mostly Clear 3% 3 mph ENE 61%
11 AM 31° Mostly Clear 3% 3 mph ENE 56%
12 PM 32° Mostly Clear 3% 3 mph ENE 52%
1 PM 34° Mostly Clear 3% 3 mph ENE 51%
2 PM 34° Mostly Clear 3% 3 mph ENE 51%
3 PM 34° Mostly Clear 3% 4 mph ENE 51%
15-Day Forecast
Today
9/13
Partly Cloudy
30%
21°
34°
Mon
9/14
Mostly Clear
11%
23°
37°
Tue
9/15
Clear
3%
23°
39°
Wed
9/16
Mostly Clear
7%
24°
37°
Thu
9/17
Mostly Clear
11%
23°
37°
Fri
9/18
Mostly Clear
38%
22°
37°
Sat
9/19
Clear
20%
22°
36°
Sun
9/20
Mostly Clear
43%
21°
34°
Mon
9/21
Drizzle
50%
20°
33°
Tue
9/22
Drizzle
60%
19°
31°
Wed
9/23
Drizzle
60%
13°
29°
Thu
9/24
Drizzle
60%
18°
30°
Fri
9/25
Drizzle
60%
17°
30°
Sat
9/26
Clear
60%
17°
31°
Sun
9/27
Drizzle
60%
17°
31°
38
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
31 AQI 5.7 µg/m³
O3
Ground-level ozone
Dominant
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 38 Good 38 31
Tue 40 Good 40 34
Wed 53 Moderate 45 53
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 Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1832 J/kg
MLCAPE986 J/kg
MUCAPE2345 J/kg
SBCIN-26 J/kg
MLCIN-84 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear10 kt
0–1 km Shear4 kt
Eff. Shear5 kt
0–1 km SRH19
0–3 km SRH40
Eff. SRH40
Storm Motion18° @ 20 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.9
Thermo & Levels
PWAT1.98 in
0–3 km LR8.3 °C/km
700–500 LR5.3 °C/km
Total Totals48.7
LCL823 hPa
LFC795 hPa
EL151 hPa
Freezing Lvl15,505 ft