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

Johnson County, Missouri, United States

Last updated: 7:26 PM CDT  ·  Refresh
25°C
Feels like 27°
Mostly Cloudy
▲ 27°  /  ▼ 16°
Wind
5 mph SE
Humidity
74%
Dew Point
19°
Pressure
29.24 inHg
Visibility
10 mi
UV Index
2.7
Cloud Cover
66%
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 25°C. Precipitation is likely — peak probability 58% around 4 AM. Atmospheric instability is elevated (CAPE up to 1407 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
25°
16%
8 PM
24°
37%
9 PM
22°
35%
10 PM
22°
34%
11 PM
22°
26%
12 AM
21°
44%
1 AM
21°
22%
2 AM
21°
26%
3 AM
21°
26%
4 AM
21°
57%
5 AM
19°
35%
6 AM
19°
54%
7 AM
19°
46%
8 AM
21°
46%
9 AM
23°
46%
10 AM
23°
49%
11 AM
24°
40%
12 PM
24°
43%
1 PM
26°
47%
2 PM
27°
50%
3 PM
27°
46%
4 PM
27°
34%
5 PM
24°
34%
6 PM
24°
28%
7-Day Forecast
Tonight
27° 16°
Mostly Cloudy with a 34% chance of rain.
Wed
28° 19°
Haze with a 57% chance of rain.
Thu
27° 19°
Heavy Rain, 90% chance.
Fri
29° 18°
Rain, 90% chance.
Sat
32° 21°
Thunderstorm, 66% chance.
Sun
33° 23°
Clear.
Mon
33° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Cloudy 16% 5 mph SE 74%
8 PM 24° Overcast 37% 4 mph E 80%
9 PM 22° Rain 35% 4 mph ESE 84%
10 PM 22° Rain 34% 4 mph ESE 88%
11 PM 22° Rain 26% 4 mph ESE 89%
12 AM 21° Heavy Rain 44% 3 mph SE 91%
1 AM 21° Drizzle 22% 3 mph SSE 92%
2 AM 21° Drizzle 26% 4 mph S 92%
3 AM 21° Drizzle 26% 4 mph S 92%
4 AM 21° Rain 57% 4 mph SSW 92%
5 AM 19° Drizzle 35% 4 mph SSW 94%
6 AM 19° Drizzle 54% 5 mph SSW 94%
7 AM 19° Fog 46% 6 mph SSW 94%
8 AM 21° Fog 46% 6 mph SW 92%
9 AM 23° Fog 46% 6 mph SW 90%
10 AM 23° Haze 49% 6 mph SW 88%
11 AM 24° Mostly Cloudy 40% 5 mph WSW 86%
12 PM 24° Rain 43% 5 mph WSW 84%
1 PM 26° Rain 47% 5 mph W 83%
2 PM 27° Rain 50% 5 mph WSW 84%
3 PM 27° Overcast 46% 6 mph WSW 85%
4 PM 27° Mostly Cloudy 34% 6 mph SW 84%
5 PM 24° Mostly Cloudy 34% 5 mph SW 83%
6 PM 24° Partly Cloudy 28% 4 mph SW 82%
15-Day Forecast
Today
6/23
Mostly Cloudy
34%
16°
27°
Wed
6/24
Haze
57%
19°
28°
Thu
6/25
Heavy Rain
90%
19°
27°
Fri
6/26
Rain
90%
18°
29°
Sat
6/27
Thunderstorm
66%
21°
32°
Sun
6/28
Clear
13%
23°
33°
Mon
6/29
Clear
8%
22°
33°
Tue
6/30
Clear
13%
22°
34°
Wed
7/1
Clear
41%
22°
34°
Thu
7/2
Thunderstorm
53%
21°
34°
Fri
7/3
Drizzle
54%
22°
34°
Sat
7/4
Thunderstorm
66%
23°
34°
Sun
7/5
Thunderstorm
66%
22°
35°
Mon
7/6
Thunderstorm
66%
21°
35°
Tue
7/7
Thunderstorm
66%
21°
35°
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
Today 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, 23:00'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
SBCAPE632 J/kg
MLCAPE239 J/kg
MUCAPE632 J/kg
SBCIN-24 J/kg
MLCIN0 J/kg
Lifted Index-3.6
Kinematics
0–6 km Shear28 kt
0–1 km Shear8 kt
Eff. Shear25 kt
0–1 km SRH35
0–3 km SRH-6
Eff. SRH-6
Storm Motion225° @ 21 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index31.3
Thermo & Levels
PWAT1.58 in
0–3 km LR5.7 °C/km
700–500 LR6.7 °C/km
Total Totals46.8
LCL912 hPa
LFC882 hPa
EL256 hPa
Freezing Lvl13,369 ft