Heat Advisory — Bourbon, KS, Crawford, KS, 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, Dade, MO 7:00 PM

St. Clair County, Missouri, United States

Last updated: 3:19 AM CDT  ·  Refresh
27°C
Feels like 29°
Mostly Clear
▲ 32°  /  ▼ 23°
Wind
5 mph SW
Humidity
70%
Dew Point
20°
Pressure
28.93 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
21%
Sunrise
6:14 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. Clair County is currently mostly clear at 27°C. Precipitation is likely — peak probability 64% around 2 PM. Atmospheric instability is elevated (CAPE up to 1750 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 8:28PM.

Alerts

Heat Advisory
Bourbon, KS, Crawford, KS, 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, Dade, MO
Expires 7:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
20%
4 AM
27°
29%
5 AM
24°
33%
6 AM
23°
33%
7 AM
24°
32%
8 AM
26°
35%
9 AM
27°
37%
10 AM
28°
46%
11 AM
29°
34%
12 PM
29°
59%
1 PM
31°
37%
2 PM
31°
63%
3 PM
29°
63%
4 PM
28°
50%
5 PM
29°
28%
6 PM
29°
27%
7 PM
29°
22%
8 PM
29°
28%
9 PM
28°
28%
10 PM
27°
28%
11 PM
27°
29%
12 AM
27°
33%
1 AM
27°
33%
2 AM
26°
34%
7-Day Forecast
Today
32° 23°
Drizzle, 63% chance.
Wed
34° 23°
Rain, 64% chance.
Thu
32° 22°
Overcast with a 90% chance of rain.
Fri
31° 21°
Rain, 83% chance.
Sat
28° 19°
Rain, 29% chance.
Sun
31° 18°
Clear.
Mon
31° 19°
Rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 20% 5 mph SW 70%
4 AM 27° Partly Cloudy 29% 5 mph SW 71%
5 AM 24° Mostly Cloudy 33% 5 mph WSW 74%
6 AM 23° Mostly Cloudy 33% 6 mph WSW 76%
7 AM 24° Mostly Cloudy 32% 5 mph WSW 76%
8 AM 26° Mostly Cloudy 35% 6 mph WNW 73%
9 AM 27° Mostly Cloudy 37% 6 mph NW 70%
10 AM 28° Drizzle 46% 6 mph NW 66%
11 AM 29° Overcast 34% 4 mph NNW 64%
12 PM 29° Overcast 59% 5 mph N 62%
1 PM 31° Overcast 37% 6 mph NE 62%
2 PM 31° Rain 63% 6 mph ENE 67%
3 PM 29° Drizzle 63% 7 mph ENE 73%
4 PM 28° Drizzle 50% 7 mph ENE 78%
5 PM 29° Drizzle 28% 7 mph ENE 79%
6 PM 29° Rain 27% 6 mph NE 81%
7 PM 29° Rain 22% 6 mph NE 82%
8 PM 29° Overcast 28% 6 mph ENE 81%
9 PM 28° Overcast 28% 6 mph ENE 80%
10 PM 27° Overcast 28% 7 mph E 79%
11 PM 27° Overcast 29% 7 mph E 79%
12 AM 27° Overcast 33% 6 mph ENE 80%
1 AM 27° Overcast 33% 6 mph ENE 79%
2 AM 26° Overcast 34% 6 mph ENE 79%
15-Day Forecast
Today
7/28
Drizzle
63%
23°
32°
Wed
7/29
Rain
64%
23°
34°
Thu
7/30
Overcast
90%
22°
32°
Fri
7/31
Rain
83%
21°
31°
Sat
8/1
Rain
29%
19°
28°
Sun
8/2
Clear
17%
18°
31°
Mon
8/3
Rain
19%
19°
31°
Tue
8/4
Clear
43%
21°
33°
Wed
8/5
Drizzle
44%
22°
35°
Thu
8/6
Drizzle
51%
23°
37°
Fri
8/7
Drizzle
60%
23°
37°
Sat
8/8
Drizzle
60%
24°
36°
Sun
8/9
Clear
60%
23°
36°
Mon
8/10
Drizzle
60%
23°
36°
Tue
8/11
Drizzle
60%
24°
37°
52
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
52 AQI 9.6 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 36 52
Wed 44 Good 43 44
Thu 46 Good 35 46
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 Jul 28, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE22 J/kg
MLCAPE56 J/kg
MUCAPE604 J/kg
SBCIN-721 J/kg
MLCIN0 J/kg
Lifted Index-0.5
Kinematics
0–6 km Shear20 kt
0–1 km Shear8 kt
Eff. Shear16 kt
0–1 km SRH32
0–3 km SRH-36
Eff. SRH-45
Storm Motion267° @ 17 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.9
Thermo & Levels
PWAT1.87 in
0–3 km LR4.6 °C/km
700–500 LR6.5 °C/km
Total Totals45.8
LCL892 hPa
LFC569 hPa
EL481 hPa
Freezing Lvl16,024 ft