Frost Advisory — Miami, KS, Linn, KS, Leavenworth, KS, Wyandotte, KS, Johnson, KS, Schuyler, MO, Adair, MO, Clinton, MO, Caldwell, MO, Livingston, MO, Linn, MO, Macon, MO, Platte, MO, Clay, MO, Ray, MO, Carroll, MO, Chariton, MO, Randolph, MO, Jackson, MO, Lafayette, MO, Saline, MO, Cass, MO, Johnson, MO 9:00 AM

Johnson County, Kansas, United States

Last updated: 7:32 PM CDT  ·  Refresh
9°C
Feels like 6°
Partly Cloudy
▲ 11°  /  ▼ 3°
Wind
10 mph N
Humidity
66%
Dew Point
3°
Pressure
29,41 inHg
Visibility
10 mi
UV Index
0,0
Cloud Cover
32%
Sunrise
7:28 AM
Sunset
6:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently partly cloudy at 9°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:28AM · Sunset: 6:39PM.

Alerts

Frost Advisory
Miami, KS, Linn, KS, Leavenworth, KS, Wyandotte, KS, Johnson, KS, Schuyler, MO, Adair, MO, Clinton, MO, Caldwell, MO, Livingston, MO, Linn, MO, Macon, MO, Platte, MO, Clay, MO, Ray, MO, Carroll, MO, Chariton, MO, Randolph, MO, Jackson, MO, Lafayette, MO, Saline, MO, Cass, MO, Johnson, MO
Expires 9:00 AM
20 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
8%
8 PM
8°
8%
9 PM
7°
3%
10 PM
7°
3%
11 PM
7°
3%
12 AM
6°
3%
1 AM
6°
3%
2 AM
6°
3%
3 AM
5°
3%
4 AM
4°
3%
5 AM
3°
15%
6 AM
3°
15%
7 AM
3°
15%
8 AM
4°
3%
9 AM
7°
3%
10 AM
9°
3%
11 AM
10°
3%
12 PM
12°
3%
1 PM
14°
3%
2 PM
14°
3%
3 PM
14°
3%
4 PM
14°
3%
5 PM
12°
3%
6 PM
11°
3%
7-Day Forecast
Tonight
11° 3°
Partly Cloudy.
Sat
16° 3°
Fog.
Sun
20° 4°
Clear.
Mon
22° 5°
Clear.
Tue
24° 10°
Clear.
Wed
26° 12°
Clear.
Thu
27° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Partly Cloudy 8% 10 mph N 66%
8 PM 8° Clear 8% 7 mph N 68%
9 PM 7° Clear 3% 6 mph N 70%
10 PM 7° Clear 3% 6 mph N 72%
11 PM 7° Clear 3% 6 mph N 75%
12 AM 6° Clear 3% 6 mph NNW 77%
1 AM 6° Clear 3% 5 mph N 78%
2 AM 6° Clear 3% 5 mph N 78%
3 AM 5° Clear 3% 4 mph N 79%
4 AM 4° Mostly Clear 3% 3 mph NNW 79%
5 AM 3° Mostly Clear 15% 3 mph NNW 80%
6 AM 3° Mostly Clear 15% 3 mph NNW 81%
7 AM 3° Fog 15% 2 mph NNW 80%
8 AM 4° Fog 3% 1 mph WNW 77%
9 AM 7° Fog 3% 2 mph S 73%
10 AM 9° Mostly Clear 3% 3 mph S 66%
11 AM 10° Mostly Clear 3% 4 mph SSW 58%
12 PM 12° Clear 3% 4 mph SSW 51%
1 PM 14° Clear 3% 5 mph SSW 47%
2 PM 14° Clear 3% 5 mph SSW 46%
3 PM 14° Clear 3% 5 mph SSW 45%
4 PM 14° Clear 3% 5 mph S 47%
5 PM 12° Clear 3% 5 mph S 51%
6 PM 11° Clear 3% 5 mph S 55%
15-Day Forecast
Today
10/16
Partly Cloudy
8%
3°
11°
Sat
10/17
Fog
15%
3°
16°
Sun
10/18
Clear
3%
4°
20°
Mon
10/19
Clear
3%
5°
22°
Tue
10/20
Clear
3%
10°
24°
Wed
10/21
Clear
16%
12°
26°
Thu
10/22
Clear
8%
14°
27°
Fri
10/23
Clear
17%
15°
27°
Sat
10/24
Drizzle
44%
13°
26°
Sun
10/25
Drizzle
68%
10°
21°
Mon
10/26
Drizzle
60%
9°
24°
Tue
10/27
Drizzle
60%
9°
21°
Wed
10/28
Drizzle
60%
9°
19°
Thu
10/29
Clear
60%
9°
21°
Fri
10/30
Clear
60%
10°
20°
20
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
8 AQI 1.5 µg/m³
O3
Ground-level ozone
Dominant
20 AQI 22 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 20 Good 20 8
Sun 26 Good 24 26
Mon 32 Good 26 32
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 ven. oct. 16, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE4 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index19.6
Kinematics
0–6 km Shear45 kt
0–1 km Shear17 kt
Eff. Shear—
0–1 km SRH77
0–3 km SRH112
Eff. SRH—
Storm Motion21° @ 44 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-27.9
Thermo & Levels
PWAT0.35 in
0–3 km LR3.4 °C/km
700–500 LR4.5 °C/km
Total Totals20.4
LCL915 hPa
LFC—
EL—
Freezing Lvl3,691 ft