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: 5:16 AM CDT  ·  Refresh
26°C
Feels like 27°
Clear
▲ 36°  /  ▼ 27°
Wind
8 mph SSW
Humidity
69%
Dew Point
20°
Pressure
29.08 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
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 2428 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°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
35°
3%
4 PM
35°
4%
5 PM
36°
5%
6 PM
36°
5%
7 PM
34°
5%
8 PM
32°
5%
9 PM
31°
8%
10 PM
30°
8%
11 PM
29°
8%
12 AM
29°
8%
1 AM
29°
8%
2 AM
29°
9%
3 AM
29°
9%
4 AM
29°
9%
7-Day Forecast
Today
36° 27°
Mostly Clear.
Wed
38° 27°
Mostly Clear with a 29% chance of rain.
Thu
38° 25°
Mostly Clear.
Fri
38° 24°
Clear.
Sat
40° 25°
Clear.
Sun
38° 24°
Partly Cloudy.
Mon
36° 24°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 8 mph SSW 69%
6 AM 24° Clear 3% 8 mph SSW 67%
7 AM 24° Mostly Clear 3% 9 mph SSW 68%
8 AM 26° Mostly Clear 3% 11 mph SW 65%
9 AM 27° Partly Cloudy 3% 13 mph SW 61%
10 AM 28° Partly Cloudy 3% 14 mph SW 58%
11 AM 29° Mostly Clear 3% 14 mph SW 54%
12 PM 31° Mostly Clear 3% 14 mph SW 51%
1 PM 34° Mostly Clear 3% 13 mph SW 47%
2 PM 34° Mostly Clear 3% 13 mph SW 45%
3 PM 35° Mostly Clear 3% 12 mph SW 42%
4 PM 35° Mostly Clear 4% 12 mph SW 42%
5 PM 36° Partly Cloudy 5% 10 mph SW 44%
6 PM 36° Partly Cloudy 5% 9 mph SW 47%
7 PM 34° Partly Cloudy 5% 8 mph SSW 50%
8 PM 32° Partly Cloudy 5% 7 mph SSW 53%
9 PM 31° Partly Cloudy 8% 7 mph S 55%
10 PM 30° Mostly Clear 8% 8 mph S 56%
11 PM 29° Mostly Clear 8% 8 mph S 55%
12 AM 29° Partly Cloudy 8% 9 mph SSW 55%
1 AM 29° Partly Cloudy 8% 10 mph SSW 55%
2 AM 29° Partly Cloudy 9% 10 mph SSW 56%
3 AM 29° Partly Cloudy 9% 10 mph SSW 56%
4 AM 29° Partly Cloudy 9% 10 mph SSW 58%
15-Day Forecast
Today
8/11
Mostly Clear
8%
27°
36°
Wed
8/12
Mostly Clear
29%
27°
38°
Thu
8/13
Mostly Clear
12%
25°
38°
Fri
8/14
Clear
15%
24°
38°
Sat
8/15
Clear
15%
25°
40°
Sun
8/16
Partly Cloudy
18%
24°
38°
Mon
8/17
Partly Cloudy
17%
24°
36°
Tue
8/18
Clear
15%
24°
41°
Wed
8/19
Clear
35%
26°
41°
Thu
8/20
Mostly Clear
35%
26°
41°
Fri
8/21
Drizzle
60%
22°
41°
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
SBCAPE737 J/kg
MLCAPE863 J/kg
MUCAPE1135 J/kg
SBCIN-606 J/kg
MLCIN0 J/kg
Lifted Index-4.1
Kinematics
0–6 km Shear10 kt
0–1 km Shear20 kt
Eff. Shear—
0–1 km SRH122
0–3 km SRH93
Eff. SRH—
Storm Motion3° @ 5 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index26.0
Thermo & Levels
PWAT1.46 in
0–3 km LR4.4 °C/km
700–500 LR8.1 °C/km
Total Totals53.6
LCL901 hPa
LFC621 hPa
EL224 hPa
Freezing Lvl14,662 ft