Red Flag Warning — Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Smith, MS, Jasper, MS, Clarke, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS 8:00 PM Fire Weather Watch 7:00 PM

Simpson County, Mississippi, United States

Last updated: 4:19 AM CDT  ·  Refresh
18°C
Feels like 19°
Clear
▲ 28°  /  ▼ 7°
Wind
2 mph SW
Humidity
85%
Dew Point
16°
Pressure
29.72 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:03 AM
Sunset
6:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Simpson County is currently clear at 18°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:03AM · Sunset: 6:26PM.

Alerts

Red Flag Warning
Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Smith, MS, Jasper, MS, Clarke, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS
Expires 8:00 PM
Fire Weather Watch
Expires 7:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
3%
5 AM
16°
3%
6 AM
15°
3%
7 AM
16°
3%
8 AM
18°
3%
9 AM
22°
3%
10 AM
24°
3%
11 AM
25°
3%
12 PM
26°
3%
1 PM
28°
3%
2 PM
27°
3%
3 PM
26°
3%
4 PM
23°
3%
5 PM
21°
3%
6 PM
19°
3%
7 PM
18°
3%
8 PM
17°
3%
9 PM
14°
3%
10 PM
14°
3%
11 PM
11°
3%
12 AM
10°
3%
1 AM
11°
3%
2 AM
11°
3%
3 AM
10°
3%
7-Day Forecast
Today
28° 7°
Mostly Clear.
Sat
22° 7°
Mostly Clear.
Sun
26° 4°
Clear.
Mon
25° 6°
Clear.
Tue
28° 6°
Clear.
Wed
29° 7°
Clear.
Thu
30° 9°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 18° Clear 3% 2 mph SW 85%
5 AM 16° Clear 3% 2 mph SW 83%
6 AM 15° Clear 3% 3 mph SSW 84%
7 AM 16° Clear 3% 3 mph SW 84%
8 AM 18° Clear 3% 3 mph W 77%
9 AM 22° Mostly Clear 3% 5 mph WNW 67%
10 AM 24° Mostly Clear 3% 8 mph WNW 61%
11 AM 25° Mostly Clear 3% 10 mph NW 59%
12 PM 26° Clear 3% 11 mph NNW 57%
1 PM 28° Mostly Clear 3% 12 mph NNW 56%
2 PM 27° Mostly Clear 3% 14 mph NNW 55%
3 PM 26° Partly Cloudy 3% 14 mph NNW 55%
4 PM 23° Mostly Cloudy 3% 15 mph NNW 54%
5 PM 21° Mostly Cloudy 3% 15 mph NNW 54%
6 PM 19° Mostly Cloudy 3% 15 mph NNW 53%
7 PM 18° Mostly Cloudy 3% 14 mph NNW 50%
8 PM 17° Mostly Cloudy 3% 14 mph N 46%
9 PM 14° Mostly Cloudy 3% 14 mph N 42%
10 PM 14° Mostly Cloudy 3% 14 mph N 42%
11 PM 11° Partly Cloudy 3% 13 mph N 45%
12 AM 10° Partly Cloudy 3% 12 mph N 48%
1 AM 11° Mostly Clear 3% 12 mph N 51%
2 AM 11° Mostly Clear 3% 12 mph N 54%
3 AM 10° Mostly Clear 3% 12 mph N 56%
15-Day Forecast
Today
10/16
Mostly Clear
3%
7°
28°
Sat
10/17
Mostly Clear
3%
7°
22°
Sun
10/18
Clear
3%
4°
26°
Mon
10/19
Clear
3%
6°
25°
Tue
10/20
Clear
3%
6°
28°
Wed
10/21
Clear
3%
7°
29°
Thu
10/22
Clear
3%
9°
30°
Fri
10/23
Clear
3%
10°
31°
Sat
10/24
Clear
19%
11°
31°
Sun
10/25
Clear
44%
11°
30°
Mon
10/26
Drizzle
60%
13°
28°
Tue
10/27
Drizzle
60%
13°
28°
Wed
10/28
Drizzle
60%
13°
27°
Thu
10/29
Clear
25%
12°
26°
Fri
10/30
Drizzle
60%
13°
26°
56
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
56 AQI 11.6 µg/m³
O3
Ground-level ozone
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 56 Moderate 45 56
Sat 45 Good 36 45
Sun 39 Good 33 39
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Oct 16, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE12 J/kg
MUCAPE14 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index7.3
Kinematics
0–6 km Shear24 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH12
0–3 km SRH29
Eff. SRH—
Storm Motion263° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index10.3
Thermo & Levels
PWAT1.08 in
0–3 km LR3.0 °C/km
700–500 LR5.9 °C/km
Total Totals38.8
LCL980 hPa
LFC—
EL—
Freezing Lvl14,619 ft