Flood Warning — Cass County, MO, Henry County, MO, Johnson County, MO 12:00 PM

Johnson County, Missouri, United States

Last updated: 4:55 PM CDT  ·  Refresh
26°C
Feels like 27°
Mostly Cloudy
▲ 27°  /  ▼ 16°
Wind
6 mph SE
Humidity
64%
Dew Point
18°
Pressure
29.28 inHg
Visibility
10 mi
UV Index
6.0
Cloud Cover
64%
Sunrise
5:51 AM
Sunset
8:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently mostly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1147 J/kg) — isolated convective development possible. Sunrise: 5:51AM · Sunset: 8:43PM.

Alerts

Flood Warning
Cass County, MO, Henry County, MO, Johnson County, MO
Expires 12:00 PM
37 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
5 PM
27°
28%
6 PM
26°
28%
7 PM
25°
28%
8 PM
24°
28%
9 PM
23°
42%
10 PM
22°
28%
11 PM
22°
33%
12 AM
21°
25%
1 AM
21°
26%
2 AM
21°
26%
3 AM
21°
27%
4 AM
21°
28%
5 AM
19°
42%
6 AM
19°
41%
7 AM
20°
41%
8 AM
21°
41%
9 AM
22°
42%
10 AM
23°
45%
11 AM
23°
45%
12 PM
23°
46%
1 PM
26°
46%
2 PM
26°
41%
3 PM
25°
31%
7-Day Forecast
Today
27° 16°
Rain, 28% chance.
Wed
27° 19°
Mostly Cloudy with a 45% chance of rain.
Thu
27° 18°
Rain, 90% chance.
Fri
28° 17°
Rain, 90% chance.
Sat
32° 20°
Thunderstorm, 62% chance.
Sun
33° 22°
Clear.
Mon
33° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Cloudy 8% 6 mph SE 64%
5 PM 27° Mostly Cloudy 28% 6 mph SSE 66%
6 PM 26° Rain 28% 6 mph SE 70%
7 PM 25° Rain 28% 4 mph ESE 75%
8 PM 24° Rain 28% 4 mph E 79%
9 PM 23° Rain 42% 4 mph ESE 84%
10 PM 22° Rain 28% 4 mph SE 86%
11 PM 22° Rain 33% 4 mph ESE 87%
12 AM 21° Drizzle 25% 4 mph ESE 89%
1 AM 21° Drizzle 26% 4 mph SSE 89%
2 AM 21° Drizzle 26% 4 mph SSW 90%
3 AM 21° Drizzle 27% 4 mph SSW 91%
4 AM 21° Drizzle 28% 4 mph SSW 93%
5 AM 19° Rain 42% 5 mph SSW 94%
6 AM 19° Fog 41% 6 mph SSW 95%
7 AM 20° Fog 41% 7 mph SSW 93%
8 AM 21° Fog 41% 6 mph SW 91%
9 AM 22° Fog 42% 6 mph SW 89%
10 AM 23° Mostly Cloudy 45% 6 mph SW 89%
11 AM 23° Rain 45% 5 mph WSW 88%
12 PM 23° Rain 46% 6 mph WSW 88%
1 PM 26° Rain 46% 5 mph WSW 89%
2 PM 26° Overcast 41% 6 mph SW 90%
3 PM 25° Mostly Cloudy 31% 8 mph SSW 90%
15-Day Forecast
Today
6/23
Rain
28%
16°
27°
Wed
6/24
Mostly Cloudy
45%
19°
27°
Thu
6/25
Rain
90%
18°
27°
Fri
6/26
Rain
90%
17°
28°
Sat
6/27
Thunderstorm
62%
20°
32°
Sun
6/28
Clear
15%
22°
33°
Mon
6/29
Clear
14%
21°
33°
Tue
6/30
Clear
20%
22°
34°
Wed
7/1
Clear
47%
22°
35°
Thu
7/2
Clear
63%
21°
34°
Fri
7/3
Drizzle
63%
20°
31°
Sat
7/4
Drizzle
66%
20°
34°
Sun
7/5
Drizzle
66%
20°
34°
Mon
7/6
Drizzle
66%
20°
33°
Tue
7/7
Drizzle
66%
20°
33°
37
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
15 AQI 2.7 µg/m³
O3
Ground-level ozone
Dominant
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 37 Good 37 15
Thu 39 Good 39 24
Fri 36 Good 36 21
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 Jun 23, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE370 J/kg
MLCAPE5 J/kg
MUCAPE370 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.8
Kinematics
0–6 km Shear31 kt
0–1 km Shear2 kt
Eff. Shear27 kt
0–1 km SRH11
0–3 km SRH-63
Eff. SRH-63
Storm Motion220° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.9
Thermo & Levels
PWAT1.40 in
0–3 km LR6.2 °C/km
700–500 LR6.4 °C/km
Total Totals43.6
LCL879 hPa
LFC991 hPa
EL283 hPa
Freezing Lvl13,494 ft