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

Union County, Mississippi, United States

Last updated: 7:35 PM CDT  ·  Refresh
31°C
Feels like 35°
Mostly Clear
▲ 33°  /  ▼ 23°
Wind
8 mph SW
Humidity
67%
Dew Point
22°
Pressure
29.52 inHg
Visibility
10 mi
UV Index
1.9
Cloud Cover
25%
Sunrise
5:45 AM
Sunset
8:12 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union County is currently mostly clear at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1721 J/kg) — isolated convective development possible. Sunrise: 5:45AM · Sunset: 8:12PM.

Alerts

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
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
8%
8 PM
29°
20%
9 PM
28°
14%
10 PM
27°
16%
11 PM
27°
16%
12 AM
26°
9%
1 AM
25°
4%
2 AM
24°
4%
3 AM
24°
4%
4 AM
24°
3%
5 AM
23°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
26°
3%
9 AM
29°
3%
10 AM
30°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
34°
3%
3 PM
35°
3%
4 PM
34°
3%
5 PM
33°
3%
6 PM
33°
3%
7-Day Forecast
Tonight
33° 23°
Mostly Clear.
Sun
35° 23°
Mostly Clear.
Mon
37° 23°
Clear.
Tue
36° 23°
Clear with a 44% chance of rain.
Wed
36° 23°
Drizzle, 50% chance.
Thu
36° 24°
Drizzle, 51% chance.
Fri
36° 23°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 8% 8 mph SW 67%
8 PM 29° Partly Cloudy 20% 7 mph SW 71%
9 PM 28° Mostly Cloudy 14% 6 mph SW 74%
10 PM 27° Partly Cloudy 16% 6 mph SSW 76%
11 PM 27° Partly Cloudy 16% 6 mph SSW 78%
12 AM 26° Partly Cloudy 9% 6 mph SSW 79%
1 AM 25° Mostly Clear 4% 6 mph SSW 81%
2 AM 24° Partly Cloudy 4% 6 mph SSW 83%
3 AM 24° Mostly Clear 4% 6 mph SSW 85%
4 AM 24° Mostly Clear 3% 6 mph SSW 86%
5 AM 23° Mostly Clear 3% 7 mph SW 86%
6 AM 24° Mostly Clear 3% 8 mph SW 86%
7 AM 25° Partly Cloudy 3% 9 mph SW 83%
8 AM 26° Mostly Clear 3% 10 mph SW 78%
9 AM 29° Mostly Clear 3% 10 mph WSW 73%
10 AM 30° Mostly Clear 3% 11 mph SW 67%
11 AM 31° Mostly Clear 3% 10 mph SW 62%
12 PM 32° Mostly Clear 3% 10 mph SW 56%
1 PM 33° Clear 3% 10 mph SW 53%
2 PM 34° Clear 3% 10 mph SW 51%
3 PM 35° Clear 3% 10 mph SW 50%
4 PM 34° Clear 3% 10 mph SW 52%
5 PM 33° Clear 3% 9 mph SW 56%
6 PM 33° Clear 3% 9 mph SW 60%
15-Day Forecast
Today
6/27
Mostly Clear
16%
23°
33°
Sun
6/28
Mostly Clear
4%
23°
35°
Mon
6/29
Clear
3%
23°
37°
Tue
6/30
Clear
44%
23°
36°
Wed
7/1
Drizzle
50%
23°
36°
Thu
7/2
Drizzle
51%
24°
36°
Fri
7/3
Clear
30%
23°
36°
Sat
7/4
Drizzle
53%
23°
36°
Sun
7/5
Rain
68%
23°
36°
Mon
7/6
Rain
68%
22°
35°
Tue
7/7
Drizzle
60%
21°
34°
Wed
7/8
Drizzle
60%
23°
34°
Thu
7/9
Drizzle
60%
22°
33°
Fri
7/10
Drizzle
60%
22°
33°
Sat
7/11
Rain
90%
22°
32°
36
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
36 AQI 6.4 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 36 Good 24 36
Mon 51 Moderate 27 51
Tue 48 Good 30 48
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
SBCAPE1654 J/kg
MLCAPE1313 J/kg
MUCAPE1654 J/kg
SBCIN-68 J/kg
MLCIN0 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear24 kt
0–1 km Shear14 kt
Eff. Shear18 kt
0–1 km SRH21
0–3 km SRH-9
Eff. SRH-9
Storm Motion237° @ 30 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index22.3
Thermo & Levels
PWAT1.73 in
0–3 km LR6.1 °C/km
700–500 LR6.6 °C/km
Total Totals47.4
LCL887 hPa
LFC841 hPa
EL168 hPa
Freezing Lvl15,413 ft