Extreme Heat Watch 8:00 PM Extreme Heat Warning — Bourbon, KS, Crawford, KS, Cherokee, KS, Benton, MO, Morgan, MO, Miller, MO, Maries, MO, Vernon, MO, St. Clair, MO, Hickory, MO, Camden, MO, Barton, MO, Cedar, MO, Polk, MO, Dallas, MO, Jasper, MO, Dade, MO, Newton, MO, Lawrence, MO, McDonald, MO 8:00 PM

St. Clair County, Missouri, United States

Last updated: 6:12 AM CDT  ·  Refresh
26°C
Feels like 27°
Clear
▲ 36°  /  ▼ 26°
Wind
8 mph SSW
Humidity
70%
Dew Point
20°
Pressure
29.08 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
6%
Sunrise
6:26 AM
Sunset
8:13 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. Clair County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2243 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 8:13PM.

Alerts

Extreme Heat Watch
Expires 8:00 PM
Extreme Heat Warning
Bourbon, KS, Crawford, KS, Cherokee, KS, Benton, MO, Morgan, MO, Miller, MO, Maries, MO, Vernon, MO, St. Clair, MO, Hickory, MO, Camden, MO, Barton, MO, Cedar, MO, Polk, MO, Dallas, MO, Jasper, MO, Dade, MO, Newton, MO, Lawrence, MO, McDonald, MO
Expires 8:00 PM
41 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
5%
7 AM
24°
4%
8 AM
26°
4%
9 AM
28°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
35°
3%
3 PM
36°
3%
4 PM
36°
4%
5 PM
34°
4%
6 PM
36°
5%
7 PM
34°
5%
8 PM
33°
5%
9 PM
31°
8%
10 PM
29°
8%
11 PM
29°
8%
12 AM
29°
8%
1 AM
28°
8%
2 AM
29°
8%
3 AM
28°
9%
4 AM
28°
9%
5 AM
27°
9%
7-Day Forecast
Today
36° 26°
Mostly Clear.
Wed
39° 26°
Mostly Clear.
Thu
39° 26°
Mostly Clear.
Fri
38° 26°
Mostly Clear.
Sat
41° 26°
Clear.
Sun
39° 24°
Mostly Cloudy.
Mon
35° 23°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 5% 8 mph SSW 70%
7 AM 24° Mostly Clear 4% 9 mph SSW 67%
8 AM 26° Mostly Clear 4% 11 mph SW 64%
9 AM 28° Partly Cloudy 3% 13 mph SW 59%
10 AM 28° Partly Cloudy 3% 14 mph SW 55%
11 AM 30° Mostly Clear 3% 14 mph SW 52%
12 PM 31° Mostly Clear 3% 13 mph SW 49%
1 PM 32° Mostly Clear 3% 13 mph SW 46%
2 PM 35° Mostly Clear 3% 13 mph SW 43%
3 PM 36° Mostly Clear 3% 12 mph SW 41%
4 PM 36° Mostly Clear 4% 12 mph SW 40%
5 PM 34° Partly Cloudy 4% 10 mph SW 42%
6 PM 36° Partly Cloudy 5% 9 mph SW 44%
7 PM 34° Partly Cloudy 5% 8 mph SSW 48%
8 PM 33° Partly Cloudy 5% 7 mph SSW 51%
9 PM 31° Partly Cloudy 8% 7 mph S 53%
10 PM 29° Mostly Clear 8% 8 mph S 55%
11 PM 29° Partly Cloudy 8% 8 mph S 55%
12 AM 29° Partly Cloudy 8% 9 mph SSW 55%
1 AM 28° Partly Cloudy 8% 10 mph SSW 55%
2 AM 29° Partly Cloudy 8% 10 mph SSW 56%
3 AM 28° Partly Cloudy 9% 10 mph SSW 57%
4 AM 28° Partly Cloudy 9% 10 mph SSW 58%
5 AM 27° Mostly Clear 9% 11 mph SSW 59%
15-Day Forecast
Today
8/11
Mostly Clear
8%
26°
36°
Wed
8/12
Mostly Clear
17%
26°
39°
Thu
8/13
Mostly Clear
14%
26°
39°
Fri
8/14
Mostly Clear
15%
26°
38°
Sat
8/15
Clear
14%
26°
41°
Sun
8/16
Mostly Cloudy
18%
24°
39°
Mon
8/17
Mostly Clear
18%
23°
35°
Tue
8/18
Clear
16%
22°
38°
Wed
8/19
Clear
35%
22°
39°
Thu
8/20
Mostly Clear
35%
23°
39°
Fri
8/21
Drizzle
60%
23°
38°
Sat
8/22
Drizzle
60%
22°
38°
Sun
8/23
Drizzle
60%
22°
37°
Mon
8/24
Drizzle
60%
22°
36°
Tue
8/25
Drizzle
60%
21°
36°
41
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
38 AQI 6.8 µg/m³
O3
Ground-level ozone
Dominant
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 41 38
Wed 37 Good 37 24
Thu 39 Good 35 39
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 Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE672 J/kg
MLCAPE850 J/kg
MUCAPE1135 J/kg
SBCIN-627 J/kg
MLCIN0 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear10 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH123
0–3 km SRH94
Eff. SRH—
Storm Motion1° @ 5 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index26.0
Thermo & Levels
PWAT1.46 in
0–3 km LR4.3 °C/km
700–500 LR8.1 °C/km
Total Totals53.6
LCL906 hPa
LFC617 hPa
EL228 hPa
Freezing Lvl14,662 ft