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: 8:44 PM CDT  ·  Refresh
29°C
Feels like 33°
Partly Cloudy
▲ 33°  /  ▼ 24°
Wind
7 mph SW
Humidity
71%
Dew Point
22°
Pressure
29.52 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
35%
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 partly cloudy at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1659 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
29°
8%
9 PM
28°
14%
10 PM
27°
16%
11 PM
26°
16%
12 AM
26°
9%
1 AM
25°
4%
2 AM
24°
4%
3 AM
24°
4%
4 AM
24°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
30°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
33°
3%
3 PM
35°
3%
4 PM
34°
3%
5 PM
33°
3%
6 PM
33°
3%
7 PM
32°
3%
7-Day Forecast
Tonight
33° 24°
Partly Cloudy.
Sun
35° 24°
Mostly Clear.
Mon
37° 23°
Clear.
Tue
36° 23°
Clear with a 44% chance of rain.
Wed
36° 23°
Mostly Clear with a 42% chance of rain.
Thu
36° 23°
Drizzle, 51% chance.
Fri
36° 23°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 29° Partly Cloudy 8% 7 mph SW 71%
9 PM 28° Partly Cloudy 14% 6 mph SW 75%
10 PM 27° Partly Cloudy 16% 6 mph SSW 76%
11 PM 26° Partly Cloudy 16% 6 mph SSW 78%
12 AM 26° Partly Cloudy 9% 6 mph SSW 80%
1 AM 25° Mostly Clear 4% 6 mph SSW 82%
2 AM 24° Mostly Clear 4% 6 mph SSW 84%
3 AM 24° Clear 4% 6 mph SSW 86%
4 AM 24° Mostly Clear 3% 6 mph SSW 86%
5 AM 24° Mostly Clear 3% 7 mph SW 86%
6 AM 24° Partly Cloudy 3% 8 mph SW 86%
7 AM 25° Partly Cloudy 3% 9 mph SW 82%
8 AM 27° Partly Cloudy 3% 10 mph SW 77%
9 AM 29° Mostly Clear 3% 11 mph WSW 72%
10 AM 30° Mostly Clear 3% 11 mph WSW 66%
11 AM 31° Mostly Clear 3% 10 mph SW 61%
12 PM 32° Clear 3% 10 mph SW 56%
1 PM 33° Clear 3% 10 mph SW 53%
2 PM 33° 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% 8 mph SW 60%
7 PM 32° Clear 3% 8 mph SW 64%
15-Day Forecast
Today
6/27
Partly Cloudy
16%
24°
33°
Sun
6/28
Mostly Clear
4%
24°
35°
Mon
6/29
Clear
3%
23°
37°
Tue
6/30
Clear
44%
23°
36°
Wed
7/1
Mostly Clear
42%
23°
36°
Thu
7/2
Drizzle
51%
23°
36°
Fri
7/3
Clear
30%
23°
36°
Sat
7/4
Drizzle
53%
23°
36°
Sun
7/5
Drizzle
68%
23°
36°
Mon
7/6
Rain
68%
22°
36°
Tue
7/7
Drizzle
60%
21°
34°
Wed
7/8
Drizzle
60%
22°
34°
Thu
7/9
Drizzle
60%
22°
33°
Fri
7/10
Drizzle
60%
21°
33°
Sat
7/11
Drizzle
60%
21°
33°
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
SBCAPE1254 J/kg
MLCAPE1372 J/kg
MUCAPE1578 J/kg
SBCIN-167 J/kg
MLCIN0 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear27 kt
0–1 km Shear16 kt
Eff. Shear21 kt
0–1 km SRH32
0–3 km SRH8
Eff. SRH8
Storm Motion240° @ 30 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.1
K-Index22.7
Thermo & Levels
PWAT1.75 in
0–3 km LR5.6 °C/km
700–500 LR6.7 °C/km
Total Totals46.8
LCL905 hPa
LFC682 hPa
EL183 hPa
Freezing Lvl15,479 ft