Severe Thunderstorm Warning — Covington County, MS, Jefferson Davis County, MS, Simpson County, MS, Smith County, MS 5:15 PM Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM Extreme Heat Warning — Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS 8:00 PM Heat Advisory — Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS 8:00 PM

Simpson County, Mississippi, United States

Last updated: 5:00 PM CDT  ·  Refresh
31°C
Feels like 36°
Rain
▲ 36°  /  ▼ 22°
Wind
9 mph SSW
Humidity
67%
Dew Point
23°
Pressure
29.60 inHg
Visibility
9 mi
UV Index
3.8
Cloud Cover
82%
Sunrise
6:28 AM
Sunset
7:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Simpson County is currently rain at 31°C. Precipitation is likely — peak probability 63% around 5 PM. Atmospheric instability is elevated (CAPE up to 2142 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 7:36PM.

Alerts

Severe Thunderstorm Warning
Covington County, MS, Jefferson Davis County, MS, Simpson County, MS, Smith County, MS
Expires 5:15 PM
Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
Extreme Heat Warning
Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS
Expires 8:00 PM
Heat Advisory
Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS
Expires 8:00 PM
45 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
63%
6 PM
30°
56%
7 PM
30°
36%
8 PM
29°
23%
9 PM
26°
23%
10 PM
25°
15%
11 PM
24°
15%
12 AM
24°
6%
1 AM
24°
3%
2 AM
24°
3%
3 AM
23°
3%
4 AM
23°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
32°
3%
1 PM
36°
3%
2 PM
36°
3%
3 PM
37°
11%
4 PM
38°
12%
7-Day Forecast
Today
36° 22°
Rain, 63% chance.
Sat
40° 22°
Mostly Clear.
Sun
41° 23°
Mostly Clear with a 40% chance of rain.
Mon
34° 22°
Mostly Cloudy with a 51% chance of rain.
Tue
36° 22°
Partly Cloudy with a 22% chance of rain.
Wed
37° 22°
Heavy Rain, 83% chance.
Thu
34° 23°
Rain, 66% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Rain 63% 9 mph SSW 67%
6 PM 30° Rain 56% 7 mph SSW 75%
7 PM 30° Overcast 36% 5 mph SW 76%
8 PM 29° Overcast 23% 4 mph SSW 79%
9 PM 26° Mostly Cloudy 23% 3 mph SSW 80%
10 PM 25° Mostly Cloudy 15% 3 mph SSW 82%
11 PM 24° Mostly Cloudy 15% 3 mph SSW 83%
12 AM 24° Mostly Cloudy 6% 3 mph SW 86%
1 AM 24° Mostly Cloudy 3% 3 mph SW 88%
2 AM 24° Mostly Cloudy 3% 2 mph WSW 89%
3 AM 23° Mostly Cloudy 3% 2 mph WNW 90%
4 AM 23° Partly Cloudy 3% 2 mph NW 90%
5 AM 22° Partly Cloudy 3% 2 mph NW 90%
6 AM 22° Partly Cloudy 3% 3 mph NNW 90%
7 AM 22° Partly Cloudy 3% 3 mph NNW 90%
8 AM 24° Partly Cloudy 3% 3 mph NNW 83%
9 AM 27° Mostly Clear 3% 3 mph NNW 74%
10 AM 28° Mostly Clear 3% 3 mph N 67%
11 AM 29° Mostly Clear 3% 3 mph N 61%
12 PM 32° Mostly Clear 3% 3 mph N 56%
1 PM 36° Mostly Clear 3% 4 mph N 51%
2 PM 36° Mostly Clear 3% 4 mph N 47%
3 PM 37° Mostly Clear 11% 4 mph NNE 44%
4 PM 38° Mostly Clear 12% 4 mph NE 40%
15-Day Forecast
Today
8/21
Rain
63%
22°
36°
Sat
8/22
Mostly Clear
18%
22°
40°
Sun
8/23
Mostly Clear
40%
23°
41°
Mon
8/24
Mostly Cloudy
51%
22°
34°
Tue
8/25
Partly Cloudy
22%
22°
36°
Wed
8/26
Heavy Rain
83%
22°
37°
Thu
8/27
Rain
66%
23°
34°
Fri
8/28
Drizzle
54%
22°
37°
Sat
8/29
Drizzle
47%
23°
36°
Sun
8/30
Drizzle
52%
21°
39°
Mon
8/31
Drizzle
60%
22°
39°
Tue
9/1
Drizzle
60%
23°
39°
Wed
9/2
Drizzle
60%
23°
39°
Thu
9/3
Drizzle
60%
23°
38°
Fri
9/4
Drizzle
60%
22°
38°
45
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
45 AQI 8.1 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 45 Good 38 45
Sun 44 Good 44 41
Mon 50 Good 40 50
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.

Model sounding data is unavailable for this location.