Severe Thunderstorm Watch 9:00 PM Severe Thunderstorm Watch 9:00 PM

Calloway County, Kentucky, United States

Last updated: 8:35 PM CDT  ·  Refresh
28°C
Feels like 34°
Mostly Cloudy
▲ 34°  /  ▼ 21°
Wind
6 mph W
Humidity
89%
Dew Point
26°
Pressure
29.29 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
78%
Sunrise
5:50 AM
Sunset
8:07 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Calloway County is currently mostly cloudy at 28°C. Precipitation is likely — peak probability 63% around 8 PM. Atmospheric instability is elevated (CAPE up to 2815 J/kg) — isolated convective development possible. Sunrise: 5:50AM · Sunset: 8:07PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Severe Thunderstorm Watch
Expires 9:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
63%
9 PM
27°
63%
10 PM
26°
37%
11 PM
26°
19%
12 AM
25°
16%
1 AM
24°
3%
2 AM
23°
3%
3 AM
22°
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
29°
3%
5 PM
28°
3%
6 PM
28°
3%
7 PM
27°
3%
7-Day Forecast
Tonight
34° 21°
Mostly Cloudy with a 63% chance of rain.
Wed
30° 19°
Mostly Clear.
Thu
28° 17°
Mostly Clear.
Fri
27° 17°
Mostly Cloudy with a 60% chance of rain.
Sat
30° 19°
Mostly Cloudy with a 64% chance of rain.
Sun
33° 23°
Clear.
Mon
33° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Mostly Cloudy 63% 6 mph W 89%
9 PM 27° Mostly Cloudy 63% 5 mph NW 93%
10 PM 26° Mostly Cloudy 37% 5 mph NNW 94%
11 PM 26° Partly Cloudy 19% 6 mph NNW 93%
12 AM 25° Mostly Clear 16% 7 mph N 91%
1 AM 24° Clear 3% 7 mph N 89%
2 AM 23° Mostly Clear 3% 7 mph N 89%
3 AM 22° Mostly Clear 3% 6 mph N 90%
4 AM 22° Mostly Clear 3% 6 mph N 90%
5 AM 21° Clear 3% 6 mph N 91%
6 AM 21° Clear 3% 6 mph N 91%
7 AM 21° Clear 3% 7 mph N 89%
8 AM 22° Clear 3% 7 mph N 85%
9 AM 24° Clear 3% 7 mph N 80%
10 AM 25° Clear 3% 8 mph N 76%
11 AM 26° Mostly Clear 3% 8 mph N 71%
12 PM 27° Mostly Clear 3% 9 mph N 67%
1 PM 29° Partly Cloudy 3% 9 mph N 65%
2 PM 29° Partly Cloudy 3% 9 mph N 64%
3 PM 29° Partly Cloudy 3% 10 mph N 64%
4 PM 29° Partly Cloudy 3% 10 mph N 66%
5 PM 28° Partly Cloudy 3% 9 mph N 70%
6 PM 28° Partly Cloudy 3% 9 mph N 73%
7 PM 27° Partly Cloudy 3% 9 mph NNE 75%
15-Day Forecast
Today
7/21
Mostly Cloudy
63%
21°
34°
Wed
7/22
Mostly Clear
3%
19°
30°
Thu
7/23
Mostly Clear
3%
17°
28°
Fri
7/24
Mostly Cloudy
60%
17°
27°
Sat
7/25
Mostly Cloudy
64%
19°
30°
Sun
7/26
Clear
16%
23°
33°
Mon
7/27
Clear
17%
23°
33°
Tue
7/28
Clear
17%
20°
33°
Wed
7/29
Drizzle
65%
19°
30°
Thu
7/30
Drizzle
44%
16°
29°
Fri
7/31
Clear
51%
16°
29°
Sat
8/1
Clear
60%
19°
30°
Sun
8/2
Drizzle
60%
19°
31°
Mon
8/3
Drizzle
60%
20°
32°
Tue
8/4
Drizzle
60%
21°
32°
52
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
52 AQI 9.4 µg/m³
O3
Ground-level ozone
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 28 52
Thu 31 Good 31 29
Fri 31 Good 31 26
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 Tue Jul 21, 23:00'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
SBCAPE3595 J/kg
MLCAPE3453 J/kg
MUCAPE4136 J/kg
SBCIN-68 J/kg
MLCIN0 J/kg
Lifted Index-4.9
Kinematics
0–6 km Shear35 kt
0–1 km Shear9 kt
Eff. Shear38 kt
0–1 km SRH-26
0–3 km SRH-77
Eff. SRH-77
Storm Motion270° @ 30 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.9
Thermo & Levels
PWAT2.33 in
0–3 km LR5.3 °C/km
700–500 LR5.2 °C/km
Total Totals45.1
LCL962 hPa
LFC860 hPa
EL128 hPa
Freezing Lvl17,523 ft