Flood Watch Flood Warning — Vernon County, MO, Bourbon County, KS, Cedar County, MO, St. Clair County, MO Heat Advisory — Benton, MO, Morgan, MO, Miller, MO, Maries, MO, Vernon, MO, St. Clair, MO, Hickory, MO, Camden, MO, Pulaski, MO, Phelps, MO, Barton, MO, Cedar, MO, Polk, MO, Dallas, MO, Laclede, MO, Texas, MO, Dent, MO, Jasper, MO, Dade, MO, Greene, MO, Webster, MO, Wright, MO, Newton, MO, Lawrence, MO, Christian, MO, Douglas, MO, Howell, MO, Shannon, MO, McDonald, MO, Barry, MO, Stone, MO, Taney, MO, Ozark, MO, Oregon, MO 9:00 PM

St. Clair County, Missouri, United States

Last updated: 6:24 PM CDT  ·  Refresh
32°C
Feels like 37°
Clear
▲ 33°  /  ▼ 23°
Wind
9 mph SSW
Humidity
64%
Dew Point
22°
Pressure
29.06 inHg
Visibility
8 mi
UV Index
5.3
Cloud Cover
0%
Sunrise
5:55 AM
Sunset
8:41 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. Clair County is currently clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3169 J/kg) — isolated convective development possible. Sunrise: 5:55AM · Sunset: 8:41PM.

Alerts

Flood Watch
Expires
Flood Warning
Vernon County, MO, Bourbon County, KS, Cedar County, MO, St. Clair County, MO
Expires
Heat Advisory
Benton, MO, Morgan, MO, Miller, MO, Maries, MO, Vernon, MO, St. Clair, MO, Hickory, MO, Camden, MO, Pulaski, MO, Phelps, MO, Barton, MO, Cedar, MO, Polk, MO, Dallas, MO, Laclede, MO, Texas, MO, Dent, MO, Jasper, MO, Dade, MO, Greene, MO, Webster, MO, Wright, MO, Newton, MO, Lawrence, MO, Christian, MO, Douglas, MO, Howell, MO, Shannon, MO, McDonald, MO, Barry, MO, Stone, MO, Taney, MO, Ozark, MO, Oregon, MO
Expires 9:00 PM
82 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
8%
7 PM
31°
8%
8 PM
30°
8%
9 PM
28°
3%
10 PM
27°
3%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
29°
3%
12 PM
30°
3%
1 PM
33°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
5 PM
33°
3%
7-Day Forecast
Tonight
33° 23°
Clear.
Wed
34° 23°
Clear.
Thu
34° 23°
Mostly Clear with a 28% chance of rain.
Fri
33° 23°
Partly Cloudy.
Sat
33° 23°
Partly Cloudy.
Sun
34° 22°
Thunderstorm, 82% chance.
Mon
33° 22°
Thunderstorm, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Clear 8% 9 mph SSW 64%
7 PM 31° Clear 8% 8 mph SSW 69%
8 PM 30° Clear 8% 7 mph S 74%
9 PM 28° Clear 3% 7 mph S 77%
10 PM 27° Clear 3% 7 mph S 80%
11 PM 27° Clear 3% 8 mph S 80%
12 AM 27° Clear 3% 8 mph S 80%
1 AM 26° Clear 3% 8 mph S 81%
2 AM 25° Clear 3% 8 mph S 82%
3 AM 24° Clear 3% 8 mph S 83%
4 AM 24° Mostly Clear 3% 8 mph S 84%
5 AM 23° Mostly Clear 3% 8 mph S 85%
6 AM 23° Mostly Clear 3% 8 mph S 85%
7 AM 24° Mostly Clear 3% 9 mph SSW 83%
8 AM 26° Clear 3% 11 mph SSW 78%
9 AM 28° Clear 3% 12 mph SSW 74%
10 AM 29° Clear 3% 13 mph SSW 70%
11 AM 29° Clear 3% 13 mph SSW 68%
12 PM 30° Clear 3% 13 mph SSW 65%
1 PM 33° Clear 3% 13 mph SSW 63%
2 PM 33° Clear 3% 13 mph SSW 62%
3 PM 33° Clear 3% 12 mph SSW 62%
4 PM 33° Clear 3% 12 mph SSW 63%
5 PM 33° Clear 3% 11 mph SSW 65%
15-Day Forecast
Today
6/30
Clear
8%
23°
33°
Wed
7/1
Clear
3%
23°
34°
Thu
7/2
Mostly Clear
28%
23°
34°
Fri
7/3
Partly Cloudy
14%
23°
33°
Sat
7/4
Partly Cloudy
15%
23°
33°
Sun
7/5
Thunderstorm
82%
22°
34°
Mon
7/6
Thunderstorm
82%
22°
33°
Tue
7/7
Rain
63%
22°
32°
Wed
7/8
Thunderstorm
44%
22°
33°
Thu
7/9
Drizzle
44%
22°
33°
Fri
7/10
Drizzle
44%
22°
34°
Sat
7/11
Drizzle
60%
21°
33°
Sun
7/12
Drizzle
60%
21°
32°
Mon
7/13
Drizzle
60%
20°
32°
Tue
7/14
Drizzle
60%
20°
31°
82
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
82 AQI 26.0 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 82 Moderate 24 82
Thu 45 Good 30 45
Fri 43 Good 33 43
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 30, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2519 J/kg
MLCAPE1311 J/kg
MUCAPE2519 J/kg
SBCIN-178 J/kg
MLCIN0 J/kg
Lifted Index-7.1
Kinematics
0–6 km Shear24 kt
0–1 km Shear11 kt
Eff. Shear25 kt
0–1 km SRH-17
0–3 km SRH-50
Eff. SRH-50
Storm Motion186° @ 30 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index21.2
Thermo & Levels
PWAT1.21 in
0–3 km LR6.6 °C/km
700–500 LR7.0 °C/km
Total Totals45.5
LCL860 hPa
LFC725 hPa
EL162 hPa
Freezing Lvl14,862 ft