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: 3:47 PM CDT  ·  Refresh
33°C
Feels like 38°
Clear
▲ 33°  /  ▼ 22°
Wind
13 mph SSW
Humidity
58%
Dew Point
22°
Pressure
29.08 inHg
Visibility
9 mi
UV Index
8.6
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 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2723 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
33°
3%
4 PM
33°
3%
5 PM
33°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
29°
3%
9 PM
27°
3%
10 PM
27°
3%
11 PM
26°
3%
12 AM
26°
3%
1 AM
25°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
29°
3%
1 PM
31°
3%
2 PM
31°
3%
7-Day Forecast
Today
33° 22°
Clear.
Wed
34° 22°
Mostly Clear.
Thu
35° 23°
Clear.
Fri
34° 24°
Clear.
Sat
33° 22°
Clear.
Sun
33° 22°
Thunderstorm, 81% chance.
Mon
33° 22°
Thunderstorm, 81% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 13 mph SSW 58%
4 PM 33° Clear 3% 12 mph SSW 60%
5 PM 33° Clear 3% 11 mph SSW 62%
6 PM 32° Clear 3% 9 mph SSW 65%
7 PM 31° Clear 3% 8 mph S 70%
8 PM 29° Clear 3% 7 mph S 73%
9 PM 27° Clear 3% 7 mph S 77%
10 PM 27° Clear 3% 7 mph S 79%
11 PM 26° Clear 3% 8 mph S 80%
12 AM 26° Clear 3% 8 mph S 81%
1 AM 25° Clear 3% 8 mph SSW 82%
2 AM 24° Clear 3% 8 mph SSW 83%
3 AM 24° Mostly Clear 3% 8 mph SSW 84%
4 AM 24° Mostly Clear 3% 8 mph S 85%
5 AM 22° Mostly Clear 3% 8 mph SSW 85%
6 AM 23° Mostly Clear 3% 8 mph SSW 85%
7 AM 24° Clear 3% 9 mph SSW 81%
8 AM 26° Clear 3% 10 mph SSW 77%
9 AM 27° Clear 3% 11 mph SSW 73%
10 AM 28° Clear 3% 12 mph SSW 71%
11 AM 29° Mostly Clear 3% 12 mph SSW 68%
12 PM 29° Mostly Clear 3% 12 mph SSW 66%
1 PM 31° Mostly Clear 3% 12 mph SSW 66%
2 PM 31° Mostly Clear 3% 12 mph SSW 65%
15-Day Forecast
Today
6/30
Clear
3%
22°
33°
Wed
7/1
Mostly Clear
3%
22°
34°
Thu
7/2
Clear
16%
23°
35°
Fri
7/3
Clear
16%
24°
34°
Sat
7/4
Clear
19%
22°
33°
Sun
7/5
Thunderstorm
81%
22°
33°
Mon
7/6
Thunderstorm
81%
22°
33°
Tue
7/7
Clear
60%
22°
32°
Wed
7/8
Drizzle
60%
22°
33°
Thu
7/9
Clear
60%
22°
33°
Fri
7/10
Drizzle
60%
22°
32°
Sat
7/11
Drizzle
60%
21°
32°
Sun
7/12
Drizzle
60%
21°
32°
Mon
7/13
Clear
60%
20°
31°
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2568 J/kg
MLCAPE1351 J/kg
MUCAPE2568 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.3
Kinematics
0–6 km Shear25 kt
0–1 km Shear8 kt
Eff. Shear24 kt
0–1 km SRH-27
0–3 km SRH-70
Eff. SRH-70
Storm Motion192° @ 31 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index18.9
Thermo & Levels
PWAT1.23 in
0–3 km LR6.8 °C/km
700–500 LR7.3 °C/km
Total Totals45.6
LCL842 hPa
LFC985 hPa
EL155 hPa
Freezing Lvl14,997 ft