Extreme Heat Warning — Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, DeSoto, MS, Marshall, MS, Benton, MS, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Tallahatchie, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Lauderdale, TN, Tipton, TN, Shelby, TN, Fayette, TN 8:00 PM

St. Francis County, Arkansas, United States

Last updated: 12:40 AM CDT  ·  Refresh
31°C
Feels like 33°
Clear
▲ 36°  /  ▼ 22°
Wind
6 mph SW
Humidity
56%
Dew Point
21°
Pressure
29.71 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
9%
Sunrise
6:24 AM
Sunset
7:48 PM
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WeatherAI™ Analysis

WeatherAI Analysis: St. Francis County is currently clear at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3192 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 7:48PM.

Alerts

Extreme Heat Warning
Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, DeSoto, MS, Marshall, MS, Benton, MS, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Tallahatchie, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Lauderdale, TN, Tipton, TN, Shelby, TN, Fayette, TN
Expires 8:00 PM
59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
8%
1 AM
30°
7%
2 AM
29°
7%
3 AM
29°
7%
4 AM
28°
7%
5 AM
26°
13%
6 AM
26°
16%
7 AM
26°
4%
8 AM
28°
4%
9 AM
30°
5%
10 AM
31°
5%
11 AM
32°
3%
12 PM
33°
3%
1 PM
36°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
5%
5 PM
36°
5%
6 PM
36°
5%
7 PM
34°
5%
8 PM
32°
5%
9 PM
30°
5%
10 PM
29°
5%
11 PM
29°
5%
7-Day Forecast
Today
36° 22°
Mostly Clear.
Tue
37° 22°
Clear.
Wed
42° 23°
Mostly Clear with a 57% chance of rain.
Thu
37° 23°
Rain, 64% chance.
Fri
36° 22°
Drizzle, 64% chance.
Sat
36° 22°
Clear with a 30% chance of rain.
Sun
36° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Clear 8% 6 mph SW 56%
1 AM 30° Mostly Clear 7% 7 mph SW 54%
2 AM 29° Clear 7% 8 mph WSW 57%
3 AM 29° Clear 7% 8 mph WSW 60%
4 AM 28° Mostly Clear 7% 8 mph WSW 63%
5 AM 26° Mostly Clear 13% 7 mph WSW 66%
6 AM 26° Mostly Clear 16% 6 mph WSW 70%
7 AM 26° Mostly Clear 4% 6 mph W 69%
8 AM 28° Mostly Clear 4% 7 mph W 67%
9 AM 30° Clear 5% 8 mph WNW 65%
10 AM 31° Clear 5% 8 mph NW 62%
11 AM 32° Clear 3% 9 mph NW 60%
12 PM 33° Clear 3% 10 mph NNW 57%
1 PM 36° Clear 3% 9 mph NNW 55%
2 PM 36° Clear 3% 9 mph NNW 52%
3 PM 36° Clear 3% 8 mph NNW 50%
4 PM 36° Clear 5% 8 mph NNW 50%
5 PM 36° Mostly Clear 5% 7 mph NNW 52%
6 PM 36° Mostly Clear 5% 7 mph NNW 55%
7 PM 34° Mostly Clear 5% 6 mph NW 58%
8 PM 32° Partly Cloudy 5% 6 mph NW 62%
9 PM 30° Partly Cloudy 5% 7 mph NW 66%
10 PM 29° Mostly Clear 5% 6 mph NNW 68%
11 PM 29° Mostly Clear 5% 6 mph NNW 70%
15-Day Forecast
Today
8/17
Mostly Clear
16%
22°
36°
Tue
8/18
Clear
6%
22°
37°
Wed
8/19
Mostly Clear
57%
23°
42°
Thu
8/20
Rain
64%
23°
37°
Fri
8/21
Drizzle
64%
22°
36°
Sat
8/22
Clear
30%
22°
36°
Sun
8/23
Clear
19%
21°
36°
Mon
8/24
Rain
69%
20°
36°
Tue
8/25
Drizzle
68%
22°
37°
Wed
8/26
Drizzle
51%
24°
39°
Thu
8/27
Drizzle
60%
23°
39°
Fri
8/28
Drizzle
60%
22°
37°
Sat
8/29
Drizzle
60%
22°
37°
Sun
8/30
Drizzle
60%
22°
37°
Mon
8/31
Drizzle
60%
22°
37°
59
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
59 AQI 13.6 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 59 Moderate 37 59
Tue 61 Moderate 43 61
Wed 62 Moderate 45 62
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 Mon Aug 17, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE665 J/kg
MLCAPE522 J/kg
MUCAPE709 J/kg
SBCIN-291 J/kg
MLCIN-258 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear10 kt
0–1 km Shear21 kt
Eff. Shear9 kt
0–1 km SRH87
0–3 km SRH58
Eff. SRH-29
Storm Motion334° @ 17 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.8
Thermo & Levels
PWAT2.06 in
0–3 km LR6.5 °C/km
700–500 LR5.9 °C/km
Total Totals49.1
LCL870 hPa
LFC711 hPa
EL234 hPa
Freezing Lvl15,948 ft