Excessive Heat Watch 8:00 PM

Cass County, Missouri, United States

Last updated: 4:35 AM CDT  ·  Refresh
19°C
Feels like 22°
Clear
▲ 32°  /  ▼ 23°
Wind
3 mph S
Humidity
93%
Dew Point
19°
Pressure
29.07 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
7%
Sunrise
6:25 AM
Sunset
8:20 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cass County is currently clear at 20°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3135 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 8:20PM.

Alerts

Excessive Heat Watch
Expires 8:00 PM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
3%
5 AM
18°
21%
6 AM
18°
21%
7 AM
18°
21%
8 AM
21°
21%
9 AM
22°
21%
10 AM
24°
15%
11 AM
26°
15%
12 PM
27°
15%
1 PM
30°
3%
2 PM
30°
3%
3 PM
31°
3%
4 PM
31°
3%
5 PM
32°
3%
6 PM
31°
3%
7 PM
30°
3%
8 PM
28°
8%
9 PM
27°
8%
10 PM
26°
18%
11 PM
26°
18%
12 AM
26°
19%
1 AM
26°
19%
2 AM
26°
19%
3 AM
26°
19%
7-Day Forecast
Today
32° 23°
Haze with a 21% chance of rain.
Sun
37° 23°
Mostly Clear.
Mon
37° 24°
Clear.
Tue
36° 24°
Partly Cloudy with a 48% chance of rain.
Wed
36° 21°
Thunderstorm, 64% chance.
Thu
29° 20°
Heavy Rain, 82% chance.
Fri
26° 17°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Clear 3% 3 mph S 93%
5 AM 18° Mostly Clear 21% 4 mph S 92%
6 AM 18° Partly Cloudy 21% 4 mph SSW 92%
7 AM 18° Haze 21% 3 mph SSW 90%
8 AM 21° Partly Cloudy 21% 4 mph SSW 86%
9 AM 22° Mostly Clear 21% 4 mph SW 80%
10 AM 24° Clear 15% 3 mph S 76%
11 AM 26° Clear 15% 4 mph SE 72%
12 PM 27° Clear 15% 5 mph SE 68%
1 PM 30° Clear 3% 6 mph SE 65%
2 PM 30° Clear 3% 7 mph SE 63%
3 PM 31° Clear 3% 8 mph SE 62%
4 PM 31° Clear 3% 8 mph SE 63%
5 PM 32° Clear 3% 8 mph SE 66%
6 PM 31° Clear 3% 8 mph SE 69%
7 PM 30° Clear 3% 7 mph SE 73%
8 PM 28° Clear 8% 6 mph SE 76%
9 PM 27° Clear 8% 6 mph SE 78%
10 PM 26° Clear 18% 7 mph SE 79%
11 PM 26° Clear 18% 8 mph SSE 78%
12 AM 26° Mostly Clear 19% 10 mph SSE 77%
1 AM 26° Mostly Clear 19% 11 mph SSE 77%
2 AM 26° Mostly Clear 19% 11 mph SSE 78%
3 AM 26° Mostly Clear 19% 11 mph S 79%
15-Day Forecast
Today
8/8
Haze
21%
23°
32°
Sun
8/9
Mostly Clear
10%
23°
37°
Mon
8/10
Clear
7%
24°
37°
Tue
8/11
Partly Cloudy
48%
24°
36°
Wed
8/12
Thunderstorm
64%
21°
36°
Thu
8/13
Heavy Rain
82%
20°
29°
Fri
8/14
Rain
82%
17°
26°
Sat
8/15
Rain
82%
16°
26°
Sun
8/16
Rain
68%
16°
28°
Mon
8/17
Drizzle
51%
19°
31°
Tue
8/18
Drizzle
60%
22°
34°
Wed
8/19
Drizzle
60%
23°
35°
Thu
8/20
Drizzle
60%
22°
34°
Fri
8/21
Drizzle
60%
22°
34°
Sat
8/22
Clear
60%
21°
33°
46
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
46 AQI 8.3 µg/m³
O3
Ground-level ozone
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 31 46
Sun 43 Good 34 43
Mon 53 Moderate 33 53
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 Sat Aug 8, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE60 J/kg
MLCAPE430 J/kg
MUCAPE620 J/kg
SBCIN-832 J/kg
MLCIN0 J/kg
Lifted Index-0.3
Kinematics
0–6 km Shear34 kt
0–1 km Shear8 kt
Eff. Shear—
0–1 km SRH35
0–3 km SRH-33
Eff. SRH—
Storm Motion299° @ 21 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index18.8
Thermo & Levels
PWAT1.18 in
0–3 km LR2.9 °C/km
700–500 LR7.8 °C/km
Total Totals45.4
LCL971 hPa
LFC508 hPa
EL405 hPa
Freezing Lvl14,439 ft