Marshall County, Kentucky, United States

Last updated: 10:18 PM CDT  ·  Refresh
27°C
Feels like 32°
Partly Cloudy
▲ 34°  /  ▼ 21°
Wind
4 mph N
Humidity
88%
Dew Point
25°
Pressure
29.41 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
40%
Sunrise
5:50 AM
Sunset
8:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marshall County is currently partly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1982 J/kg) — isolated convective development possible. Sunrise: 5:50AM · Sunset: 8:08PM.

Alerts

No active alerts for this location.
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
29%
11 PM
26°
19%
12 AM
26°
16%
1 AM
24°
3%
2 AM
24°
3%
3 AM
23°
3%
4 AM
22°
3%
5 AM
21°
3%
6 AM
21°
3%
7 AM
21°
3%
8 AM
22°
3%
9 AM
24°
3%
10 AM
25°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
29°
3%
2 PM
29°
3%
3 PM
29°
3%
4 PM
28°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
27°
3%
8 PM
26°
3%
9 PM
23°
3%
7-Day Forecast
Tonight
34° 21°
Partly Cloudy with a 29% chance of rain.
Wed
29° 18°
Mostly Clear.
Thu
27° 17°
Mostly Clear.
Fri
27° 17°
Overcast with a 68% chance of rain.
Sat
30° 19°
Overcast with a 57% chance of rain.
Sun
33° 23°
Clear.
Mon
33° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 29% 4 mph N 88%
11 PM 26° Mostly Cloudy 19% 4 mph N 87%
12 AM 26° Partly Cloudy 16% 4 mph N 87%
1 AM 24° Partly Cloudy 3% 6 mph N 87%
2 AM 24° Partly Cloudy 3% 7 mph N 88%
3 AM 23° Mostly Clear 3% 6 mph N 89%
4 AM 22° Clear 3% 6 mph N 90%
5 AM 21° Clear 3% 5 mph N 91%
6 AM 21° Clear 3% 5 mph N 92%
7 AM 21° Clear 3% 6 mph N 90%
8 AM 22° Mostly Clear 3% 6 mph N 86%
9 AM 24° Mostly Clear 3% 6 mph N 81%
10 AM 25° Partly Cloudy 3% 7 mph N 76%
11 AM 26° Partly Cloudy 3% 8 mph N 71%
12 PM 27° Partly Cloudy 3% 8 mph N 68%
1 PM 29° Mostly Clear 3% 9 mph N 65%
2 PM 29° Partly Cloudy 3% 9 mph N 64%
3 PM 29° Partly Cloudy 3% 9 mph N 64%
4 PM 28° Partly Cloudy 3% 9 mph N 66%
5 PM 28° Partly Cloudy 3% 9 mph N 69%
6 PM 27° Mostly Clear 3% 9 mph NNE 72%
7 PM 27° Mostly Clear 3% 9 mph NNE 74%
8 PM 26° Mostly Clear 3% 8 mph NNE 75%
9 PM 23° Mostly Clear 3% 8 mph NNE 76%
15-Day Forecast
Today
7/21
Partly Cloudy
29%
21°
34°
Wed
7/22
Mostly Clear
3%
18°
29°
Thu
7/23
Mostly Clear
3%
17°
27°
Fri
7/24
Overcast
68%
17°
27°
Sat
7/25
Overcast
57%
19°
30°
Sun
7/26
Clear
16%
23°
33°
Mon
7/27
Clear
17%
23°
33°
Tue
7/28
Clear
17%
20°
32°
Wed
7/29
Drizzle
44%
19°
29°
Thu
7/30
Drizzle
44%
16°
29°
Fri
7/31
Clear
60%
16°
29°
Sat
8/1
Drizzle
60%
19°
30°
Sun
8/2
Drizzle
60%
19°
31°
Mon
8/3
Drizzle
60%
20°
32°
Tue
8/4
Drizzle
60%
21°
31°
44
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
44 AQI 8.0 µg/m³
O3
Ground-level ozone
29 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 29 44
Thu 31 Good 31 24
Fri 34 Good 34 16
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 Wed Jul 22, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1913 J/kg
MLCAPE102 J/kg
MUCAPE1913 J/kg
SBCIN-96 J/kg
MLCIN0 J/kg
Lifted Index-2.5
Kinematics
0–6 km Shear41 kt
0–1 km Shear11 kt
Eff. Shear46 kt
0–1 km SRH-91
0–3 km SRH-70
Eff. SRH-70
Storm Motion277° @ 27 kt
0–1 km EHI-1.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index1.2
Thermo & Levels
PWAT1.45 in
0–3 km LR4.9 °C/km
700–500 LR5.0 °C/km
Total Totals39.0
LCL970 hPa
LFC866 hPa
EL146 hPa
Freezing Lvl17,667 ft