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, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Tallahatchie, MS, Yalobusha, 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, Shelby, TN, Fayette, TN, Hardeman, TN 8:00 PM

Marianna, Arkansas

Last updated: 7:52 AM CDT  ·  Refresh
26°C
Feels like 28°
Clear
▲ 38°  /  ▼ 22°
Wind
8 mph S
Humidity
78%
Dew Point
22°
Pressure
29.92 inHg
Visibility
10 mi
UV Index
3.5
Cloud Cover
3%
Sunrise
6:41 AM
Sunset
7:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marianna is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1288 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 7:18PM.

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, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Tallahatchie, MS, Yalobusha, 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, Shelby, TN, Fayette, TN, Hardeman, TN
Expires 8:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
13%
8 AM
27°
24%
9 AM
30°
16%
10 AM
32°
16%
11 AM
33°
7%
12 PM
34°
3%
1 PM
37°
3%
2 PM
37°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
29°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
28°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
25°
3%
5 AM
23°
3%
6 AM
22°
3%
7-Day Forecast
Today
38° 22°
Mostly Clear.
Thu
39° 22°
Partly Cloudy with a 25% chance of rain.
Fri
37° 21°
Rain, 69% chance.
Sat
38° 21°
Partly Cloudy with a 39% chance of rain.
Sun
39° 21°
Rain, 21% chance.
Mon
39° 22°
Clear.
Tue
39° 23°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 13% 8 mph S 78%
8 AM 27° Clear 24% 9 mph SSW 67%
9 AM 30° Clear 16% 10 mph SSW 59%
10 AM 32° Clear 16% 10 mph SSW 53%
11 AM 33° Mostly Clear 7% 9 mph SW 48%
12 PM 34° Mostly Clear 3% 8 mph SW 43%
1 PM 37° Mostly Clear 3% 7 mph SSW 42%
2 PM 37° Mostly Clear 3% 8 mph S 42%
3 PM 36° Partly Cloudy 3% 9 mph SSE 42%
4 PM 36° Partly Cloudy 3% 9 mph SSE 43%
5 PM 36° Mostly Clear 3% 8 mph S 45%
6 PM 34° Mostly Clear 3% 8 mph S 47%
7 PM 33° Mostly Clear 3% 8 mph SSE 51%
8 PM 32° Clear 3% 8 mph S 54%
9 PM 29° Clear 3% 8 mph S 58%
10 PM 29° Clear 3% 8 mph S 60%
11 PM 28° Clear 3% 7 mph S 62%
12 AM 28° Mostly Clear 3% 7 mph S 64%
1 AM 26° Mostly Clear 3% 7 mph S 66%
2 AM 26° Clear 3% 6 mph S 68%
3 AM 25° Clear 3% 6 mph SSW 70%
4 AM 25° Mostly Clear 3% 6 mph S 71%
5 AM 23° Mostly Clear 3% 6 mph S 72%
6 AM 22° Mostly Clear 3% 6 mph S 72%
15-Day Forecast
Today
9/9
Mostly Clear
16%
22°
38°
Thu
9/10
Partly Cloudy
25%
22°
39°
Fri
9/11
Rain
69%
21°
37°
Sat
9/12
Partly Cloudy
39%
21°
38°
Sun
9/13
Rain
21%
21°
39°
Mon
9/14
Clear
16%
22°
39°
Tue
9/15
Rain
28%
23°
39°
Wed
9/16
Rain
68%
22°
39°
Thu
9/17
Clear
43%
22°
39°
Fri
9/18
Rain
68%
22°
38°
Sat
9/19
Drizzle
68%
21°
36°
Sun
9/20
Drizzle
60%
21°
34°
Mon
9/21
Drizzle
60%
19°
33°
Tue
9/22
Drizzle
60%
19°
33°
Wed
9/23
Drizzle
60%
19°
33°
52
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
52 AQI 9.9 µg/m³
O3
Ground-level ozone
44 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 52 Moderate 44 52
Fri 51 Moderate 43 51
Sat 45 Good 45 28
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 Wed Sep 9, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE171 J/kg
MLCAPE290 J/kg
MUCAPE527 J/kg
SBCIN-236 J/kg
MLCIN-158 J/kg
Lifted Index0.7
Kinematics
0–6 km Shear1 kt
0–1 km Shear15 kt
Eff. Shear1 kt
0–1 km SRH-24
0–3 km SRH38
Eff. SRH38
Storm Motion179° @ 19 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.5
Thermo & Levels
PWAT1.84 in
0–3 km LR5.1 °C/km
700–500 LR4.6 °C/km
Total Totals41.8
LCL958 hPa
LFC719 hPa
EL285 hPa
Freezing Lvl16,499 ft