Flood Warning — Vernon County, MO, Bourbon County, KS, Cedar County, MO, St. Clair County, MO Areal Flood Watch 7:00 AM

St. Clair County, Missouri, United States

Last updated: 12:48 AM CDT  ·  Refresh
21°C
Feels like 23°
Mostly Clear
▲ 28°  /  ▼ 20°
Wind
3 mph SW
Humidity
94%
Dew Point
20°
Pressure
29.11 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
26%
Sunrise
5:53 AM
Sunset
8:41 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. Clair County is currently mostly clear at 21°C. Precipitation is likely — peak probability 79% around 6 PM. Atmospheric instability is elevated (CAPE up to 1953 J/kg) — isolated convective development possible. Sunrise: 5:53AM · Sunset: 8:41PM.

Alerts

Flood Warning
Vernon County, MO, Bourbon County, KS, Cedar County, MO, St. Clair County, MO
Expires
Areal Flood Watch
Expires 7:00 AM
32 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
11%
1 AM
21°
13%
2 AM
21°
14%
3 AM
20°
6%
4 AM
20°
7%
5 AM
18°
10%
6 AM
19°
10%
7 AM
20°
33%
8 AM
22°
40%
9 AM
23°
47%
10 AM
24°
65%
11 AM
26°
61%
12 PM
26°
62%
1 PM
27°
69%
2 PM
27°
74%
3 PM
27°
78%
4 PM
26°
78%
5 PM
26°
79%
6 PM
26°
79%
7 PM
24°
70%
8 PM
24°
66%
9 PM
23°
58%
10 PM
23°
62%
11 PM
23°
62%
7-Day Forecast
Today
28° 20°
Heavy Rain, 79% chance.
Fri
31° 20°
Rain, 70% chance.
Sat
31° 21°
Rain, 61% chance.
Sun
32° 23°
Partly Cloudy.
Mon
33° 23°
Clear.
Tue
34° 22°
Clear.
Wed
34° 22°
Thunderstorm, 31% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Clear 11% 3 mph SW 94%
1 AM 21° Fog 13% 3 mph SW 94%
2 AM 21° Fog 14% 4 mph SW 94%
3 AM 20° Mostly Cloudy 6% 4 mph SW 96%
4 AM 20° Partly Cloudy 7% 4 mph SSW 96%
5 AM 18° Mostly Cloudy 10% 3 mph S 96%
6 AM 19° Overcast 10% 4 mph S 96%
7 AM 20° Drizzle 33% 5 mph S 93%
8 AM 22° Rain 40% 4 mph S 89%
9 AM 23° Rain 47% 4 mph S 86%
10 AM 24° Rain 65% 4 mph S 84%
11 AM 26° Rain 61% 4 mph SSE 82%
12 PM 26° Rain 62% 5 mph SE 80%
1 PM 27° Rain 69% 6 mph SE 81%
2 PM 27° Heavy Rain 74% 6 mph SE 82%
3 PM 27° Thunderstorm 78% 6 mph SSE 84%
4 PM 26° Thunderstorm 78% 5 mph ESE 90%
5 PM 26° Heavy Rain 79% 5 mph E 93%
6 PM 26° Heavy Rain 79% 7 mph E 95%
7 PM 24° Heavy Rain 70% 7 mph E 96%
8 PM 24° Rain 66% 7 mph E 96%
9 PM 23° Rain 58% 8 mph E 96%
10 PM 23° Rain 62% 8 mph ESE 96%
11 PM 23° Rain 62% 6 mph SE 95%
15-Day Forecast
Today
6/25
Heavy Rain
79%
20°
28°
Fri
6/26
Rain
70%
20°
31°
Sat
6/27
Rain
61%
21°
31°
Sun
6/28
Partly Cloudy
9%
23°
32°
Mon
6/29
Clear
8%
23°
33°
Tue
6/30
Clear
8%
22°
34°
Wed
7/1
Thunderstorm
31%
22°
34°
Thu
7/2
Thunderstorm
50%
22°
34°
Fri
7/3
Drizzle
54%
22°
34°
Sat
7/4
Drizzle
54%
22°
34°
Sun
7/5
Thunderstorm
54%
24°
34°
Mon
7/6
Thunderstorm
66%
22°
34°
Tue
7/7
Thunderstorm
66%
22°
34°
Wed
7/8
Thunderstorm
66%
21°
34°
Thu
7/9
Thunderstorm
66%
21°
34°
32
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
27 AQI 4.8 µg/m³
O3
Ground-level ozone
Dominant
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 32 Good 32 27
Fri 33 Good 33 19
Sat 34 Good 34 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 Thu Jun 25, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE411 J/kg
MLCAPE685 J/kg
MUCAPE998 J/kg
SBCIN-185 J/kg
MLCIN0 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear26 kt
0–1 km Shear7 kt
Eff. Shear27 kt
0–1 km SRH-13
0–3 km SRH-25
Eff. SRH-25
Storm Motion261° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.3
Thermo & Levels
PWAT1.49 in
0–3 km LR4.3 °C/km
700–500 LR6.6 °C/km
Total Totals48.8
LCL974 hPa
LFC655 hPa
EL304 hPa
Freezing Lvl13,970 ft