Heat Advisory — Clay, AR, Greene, AR, Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, Dunklin, MO, Pemiscot, MO, DeSoto, MS, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tunica, MS, Tate, MS, Prentiss, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Tallahatchie, 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, Lauderdale, TN, Tipton, TN, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Shelby, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN 8:00 PM

St. Francis County, Arkansas, United States

Last updated: 2:00 AM CDT  ·  Refresh
27°C
Feels like 29°
Clear
▲ 38°  /  ▼ 24°
Wind
4 mph SSE
Humidity
65%
Dew Point
21°
Pressure
29,75 inHg
Visibility
10 mi
UV Index
0,0
Cloud Cover
1%
Sunrise
6:36 AM
Sunset
7:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. Francis County is currently clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1448 J/kg) — isolated convective development possible. Sunrise: 6:36AM · Sunset: 7:28PM.

Alerts

Heat Advisory
Clay, AR, Greene, AR, Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, Dunklin, MO, Pemiscot, MO, DeSoto, MS, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tunica, MS, Tate, MS, Prentiss, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Tallahatchie, 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, Lauderdale, TN, Tipton, TN, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Shelby, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 8:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
8%
3 AM
27°
3%
4 AM
26°
3%
5 AM
26°
3%
6 AM
23°
3%
7 AM
22°
3%
8 AM
25°
3%
9 AM
28°
7%
10 AM
32°
7%
11 AM
33°
7%
12 PM
34°
8%
1 PM
34°
8%
2 PM
36°
8%
3 PM
37°
8%
4 PM
37°
8%
5 PM
36°
8%
6 PM
36°
3%
7 PM
35°
3%
8 PM
34°
3%
9 PM
33°
3%
10 PM
32°
3%
11 PM
31°
3%
12 AM
30°
3%
1 AM
28°
3%
7-Day Forecast
Today
38° 24°
Mostly Clear.
Thu
39° 24°
Partly Cloudy.
Fri
40° 23°
Mostly Clear with a 21% chance of rain.
Sat
41° 22°
Clear.
Sun
42° 22°
Clear with a 21% chance of rain.
Mon
42° 21°
Clear.
Tue
42° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 8% 4 mph SSE 65%
3 AM 27° Clear 3% 4 mph S 65%
4 AM 26° Clear 3% 4 mph S 67%
5 AM 26° Clear 3% 4 mph SSW 70%
6 AM 23° Clear 3% 4 mph SSW 72%
7 AM 22° Clear 3% 4 mph SSW 75%
8 AM 25° Clear 3% 4 mph SW 68%
9 AM 28° Clear 7% 4 mph WSW 58%
10 AM 32° Clear 7% 4 mph WSW 50%
11 AM 33° Mostly Clear 7% 4 mph SW 45%
12 PM 34° Partly Cloudy 8% 5 mph SSW 42%
1 PM 34° Partly Cloudy 8% 5 mph SSW 38%
2 PM 36° Partly Cloudy 8% 5 mph S 37%
3 PM 37° Partly Cloudy 8% 4 mph S 37%
4 PM 37° Partly Cloudy 8% 5 mph S 36%
5 PM 36° Partly Cloudy 8% 5 mph SSE 38%
6 PM 36° Partly Cloudy 3% 5 mph SSE 41%
7 PM 35° Partly Cloudy 3% 5 mph SSE 44%
8 PM 34° Partly Cloudy 3% 4 mph S 47%
9 PM 33° Partly Cloudy 3% 4 mph S 49%
10 PM 32° Partly Cloudy 3% 5 mph SSW 50%
11 PM 31° Mostly Clear 3% 5 mph S 53%
12 AM 30° Mostly Clear 3% 5 mph S 56%
1 AM 28° Clear 3% 5 mph SSW 58%
15-Day Forecast
Today
9/2
Mostly Clear
8%
24°
38°
Thu
9/3
Partly Cloudy
16%
24°
39°
Fri
9/4
Mostly Clear
21%
23°
40°
Sat
9/5
Clear
19%
22°
41°
Sun
9/6
Clear
21%
22°
42°
Mon
9/7
Clear
17%
21°
42°
Tue
9/8
Clear
17%
22°
42°
Wed
9/9
Rain
68%
23°
41°
Thu
9/10
Rain
68%
21°
40°
Fri
9/11
Drizzle
51%
21°
37°
Sat
9/12
Clear
60%
22°
38°
Sun
9/13
Drizzle
60%
22°
38°
Mon
9/14
Drizzle
60%
22°
37°
Tue
9/15
Drizzle
60%
22°
37°
Wed
9/16
Drizzle
60%
21°
36°
44
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
44 AQI 7.9 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 37 44
Thu 44 Good 44 42
Fri 43 Good 38 43
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 mer. sept. 2, 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
SBCAPE236 J/kg
MLCAPE457 J/kg
MUCAPE870 J/kg
SBCIN-490 J/kg
MLCIN-228 J/kg
Lifted Index0.2
Kinematics
0–6 km Shear3 kt
0–1 km Shear13 kt
Eff. Shear11 kt
0–1 km SRH-13
0–3 km SRH8
Eff. SRH20
Storm Motion164° @ 24 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT1.89 in
0–3 km LR5.9 °C/km
700–500 LR4.9 °C/km
Total Totals45.0
LCL917 hPa
LFC487 hPa
EL258 hPa
Freezing Lvl17,083 ft