Excessive Heat Watch 8:00 PM

Cass County, Missouri, United States

Last updated: 3:46 AM CDT  ·  Refresh
20°C
Feels like 22°
Mostly Clear
▲ 32°  /  ▼ 22°
Wind
4 mph SSE
Humidity
93%
Dew Point
19°
Pressure
29.06 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
19%
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 mostly clear at 20°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3102 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
20°
3%
4 AM
20°
3%
5 AM
18°
3%
6 AM
18°
3%
7 AM
19°
3%
8 AM
21°
3%
9 AM
22°
3%
10 AM
24°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
29°
3%
2 PM
31°
3%
3 PM
31°
3%
4 PM
31°
3%
5 PM
32°
3%
6 PM
31°
3%
7 PM
30°
8%
8 PM
29°
8%
9 PM
27°
9%
10 PM
26°
18%
11 PM
26°
19%
12 AM
26°
19%
1 AM
26°
19%
2 AM
26°
19%
7-Day Forecast
Today
32° 22°
Haze.
Sun
36° 22°
Mostly Clear with a 22% chance of rain.
Mon
38° 24°
Mostly Clear.
Tue
34° 24°
Clear with a 48% chance of rain.
Wed
36° 21°
Rain, 56% chance.
Thu
29° 19°
Rain, 82% chance.
Fri
27° 17°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Mostly Clear 3% 4 mph SSE 93%
4 AM 20° Mostly Clear 3% 4 mph S 92%
5 AM 18° Mostly Clear 3% 4 mph S 92%
6 AM 18° Haze 3% 4 mph SSW 92%
7 AM 19° Partly Cloudy 3% 3 mph SSW 90%
8 AM 21° Partly Cloudy 3% 4 mph SSW 86%
9 AM 22° Partly Cloudy 3% 3 mph SSW 82%
10 AM 24° Mostly Clear 3% 3 mph SSE 78%
11 AM 26° Mostly Clear 3% 4 mph SE 74%
12 PM 27° Clear 3% 5 mph ESE 69%
1 PM 29° Clear 3% 6 mph ESE 66%
2 PM 31° Clear 3% 7 mph SE 64%
3 PM 31° Clear 3% 8 mph SE 62%
4 PM 31° Clear 3% 8 mph SE 64%
5 PM 32° Clear 3% 8 mph SE 66%
6 PM 31° Clear 3% 8 mph SE 70%
7 PM 30° Clear 8% 8 mph SE 73%
8 PM 29° Mostly Clear 8% 7 mph SE 75%
9 PM 27° Mostly Clear 9% 7 mph SE 77%
10 PM 26° Mostly Clear 18% 8 mph SSE 76%
11 PM 26° Partly Cloudy 19% 9 mph SSE 75%
12 AM 26° Partly Cloudy 19% 11 mph SSE 74%
1 AM 26° Partly Cloudy 19% 11 mph SSE 75%
2 AM 26° Partly Cloudy 19% 11 mph SSE 77%
15-Day Forecast
Today
8/8
Haze
9%
22°
32°
Sun
8/9
Mostly Clear
22%
22°
36°
Mon
8/10
Mostly Clear
7%
24°
38°
Tue
8/11
Clear
48%
24°
34°
Wed
8/12
Rain
56%
21°
36°
Thu
8/13
Rain
82%
19°
29°
Fri
8/14
Rain
82%
17°
27°
Sat
8/15
Rain
82%
16°
26°
Sun
8/16
Drizzle
68%
16°
28°
Mon
8/17
Drizzle
68%
18°
31°
Tue
8/18
Drizzle
60%
22°
35°
Wed
8/19
Drizzle
60%
22°
35°
Thu
8/20
Drizzle
60%
22°
35°
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, 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
SBCAPE91 J/kg
MLCAPE341 J/kg
MUCAPE468 J/kg
SBCIN-825 J/kg
MLCIN0 J/kg
Lifted Index-0.9
Kinematics
0–6 km Shear37 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH30
0–3 km SRH-46
Eff. SRH—
Storm Motion297° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index11.2
Thermo & Levels
PWAT1.03 in
0–3 km LR2.8 °C/km
700–500 LR8.0 °C/km
Total Totals43.4
LCL970 hPa
LFC524 hPa
EL390 hPa
Freezing Lvl14,442 ft