Flood Warning — East Baton Rouge County, LA Heat Advisory — 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, 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 11:00 AM

Decatur, TN

Last updated: 7:34 PM CDT  ·  Refresh
31°C
Feels like 37°
Clear
▲ 34°  /  ▼ 24°
Wind
8 mph SSW
Humidity
67%
Dew Point
23°
Pressure
29.98 inHg
Visibility
10 mi
UV Index
1.9
Cloud Cover
0%
Sunrise
6:04 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Decatur is currently clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2330 J/kg) — isolated convective development possible. Sunrise: 6:04AM · Sunset: 8:10PM.

Alerts

Flood Warning
East Baton Rouge County, LA
Expires
Heat Advisory
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, 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
Expires 11:00 AM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
11%
8 PM
31°
29%
9 PM
28°
21%
10 PM
27°
21%
11 PM
27°
21%
12 AM
26°
14%
1 AM
25°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
5%
5 AM
24°
5%
6 AM
24°
5%
7 AM
26°
5%
8 AM
27°
5%
9 AM
29°
10%
10 AM
30°
8%
11 AM
31°
8%
12 PM
32°
8%
1 PM
34°
9%
2 PM
35°
9%
3 PM
36°
9%
4 PM
36°
3%
5 PM
35°
3%
6 PM
34°
3%
7-Day Forecast
Tonight
34° 24°
Clear with a 21% chance of rain.
Sun
36° 24°
Mostly Clear.
Mon
36° 24°
Partly Cloudy.
Tue
36° 24°
Partly Cloudy with a 73% chance of rain.
Wed
36° 23°
Rain, 90% chance.
Thu
36° 23°
Rain, 82% chance.
Fri
36° 23°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Clear 11% 8 mph SSW 67%
8 PM 31° Clear 29% 8 mph SSW 74%
9 PM 28° Clear 21% 7 mph SSW 79%
10 PM 27° Clear 21% 7 mph SSW 83%
11 PM 27° Clear 21% 6 mph SSW 85%
12 AM 26° Clear 14% 6 mph SSW 87%
1 AM 25° Clear 3% 6 mph SSW 89%
2 AM 25° Mostly Clear 3% 5 mph S 90%
3 AM 24° Mostly Clear 3% 4 mph S 91%
4 AM 24° Mostly Clear 5% 3 mph S 92%
5 AM 24° Mostly Clear 5% 3 mph SSE 91%
6 AM 24° Mostly Clear 5% 3 mph S 90%
7 AM 26° Partly Cloudy 5% 4 mph SSW 86%
8 AM 27° Partly Cloudy 5% 5 mph SSW 79%
9 AM 29° Partly Cloudy 10% 6 mph SW 73%
10 AM 30° Partly Cloudy 8% 6 mph SW 67%
11 AM 31° Partly Cloudy 8% 5 mph SW 63%
12 PM 32° Partly Cloudy 8% 5 mph SW 58%
1 PM 34° Partly Cloudy 9% 4 mph SSW 55%
2 PM 35° Mostly Clear 9% 5 mph SSW 53%
3 PM 36° Mostly Clear 9% 5 mph S 51%
4 PM 36° Mostly Clear 3% 5 mph S 53%
5 PM 35° Mostly Clear 3% 5 mph S 56%
6 PM 34° Mostly Clear 3% 5 mph S 60%
15-Day Forecast
Today
6/27
Clear
21%
24°
34°
Sun
6/28
Mostly Clear
9%
24°
36°
Mon
6/29
Partly Cloudy
3%
24°
36°
Tue
6/30
Partly Cloudy
73%
24°
36°
Wed
7/1
Rain
90%
23°
36°
Thu
7/2
Rain
82%
23°
36°
Fri
7/3
Rain
28%
23°
36°
Sat
7/4
Rain
63%
23°
36°
Sun
7/5
Rain
69%
23°
35°
Mon
7/6
Rain
68%
23°
35°
Tue
7/7
Rain
90%
23°
34°
Wed
7/8
Drizzle
60%
23°
34°
Thu
7/9
Drizzle
60%
23°
34°
Fri
7/10
Rain
90%
23°
34°
Sat
7/11
Rain
90%
23°
34°
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 9.8 µg/m³
O3
Ground-level ozone
18 AQI 19 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 18 52
Mon 54 Moderate 23 54
Tue 53 Moderate 37 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 Sat Jun 27, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2064 J/kg
MLCAPE1563 J/kg
MUCAPE2064 J/kg
SBCIN-79 J/kg
MLCIN0 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear11 kt
0–1 km Shear5 kt
Eff. Shear17 kt
0–1 km SRH19
0–3 km SRH3
Eff. SRH3
Storm Motion272° @ 15 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.1
K-Index19.8
Thermo & Levels
PWAT1.73 in
0–3 km LR6.1 °C/km
700–500 LR6.2 °C/km
Total Totals43.3
LCL905 hPa
LFC728 hPa
EL166 hPa
Freezing Lvl15,876 ft