Extreme Heat Warning — Doniphan, KS, Buchanan, MO, Clinton, MO, Caldwell, MO, Ray, MO, Carroll, MO, Lafayette, MO, Saline, MO, Howard, MO, Johnson, MO, Pettis, MO, Cooper, MO, Henry, MO 8:00 PM

Lafayette County, Missouri, United States

Last updated: 8:55 AM CDT  ·  Refresh
26°C
Feels like 28°
Mostly Clear
▲ 36°  /  ▼ 20°
Wind
8 mph E
Humidity
77%
Dew Point
22°
Pressure
29.12 inHg
Visibility
9 mi
UV Index
5.1
Cloud Cover
23%
Sunrise
6:48 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2793 J/kg) — isolated convective development possible. Sunrise: 6:48AM · Sunset: 7:37PM.

Alerts

Extreme Heat Warning
Doniphan, KS, Buchanan, MO, Clinton, MO, Caldwell, MO, Ray, MO, Carroll, MO, Lafayette, MO, Saline, MO, Howard, MO, Johnson, MO, Pettis, MO, Cooper, MO, Henry, MO
Expires 8:00 PM
46 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
11%
9 AM
27°
21%
10 AM
29°
23%
11 AM
31°
23%
12 PM
32°
23%
1 PM
34°
23%
2 PM
34°
23%
3 PM
34°
23%
4 PM
33°
32%
5 PM
33°
36%
6 PM
31°
36%
7 PM
29°
37%
8 PM
28°
27%
9 PM
25°
28%
10 PM
24°
19%
11 PM
24°
19%
12 AM
24°
20%
1 AM
23°
11%
2 AM
23°
11%
3 AM
22°
11%
4 AM
22°
9%
5 AM
21°
3%
6 AM
20°
3%
7 AM
21°
3%
7-Day Forecast
Today
36° 20°
Partly Cloudy with a 36% chance of rain.
Mon
33° 20°
Partly Cloudy.
Tue
41° 18°
Mostly Clear.
Wed
37° 20°
Heavy Rain, 81% chance.
Thu
33° 17°
Rain, 82% chance.
Fri
36° 13°
Rain, 70% chance.
Sat
34° 19°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 11% 8 mph E 77%
9 AM 27° Partly Cloudy 21% 10 mph E 66%
10 AM 29° Mostly Clear 23% 9 mph E 59%
11 AM 31° Mostly Clear 23% 8 mph E 53%
12 PM 32° Mostly Clear 23% 9 mph E 48%
1 PM 34° Mostly Clear 23% 9 mph E 47%
2 PM 34° Partly Cloudy 23% 10 mph E 46%
3 PM 34° Partly Cloudy 23% 11 mph E 45%
4 PM 33° Partly Cloudy 32% 10 mph E 48%
5 PM 33° Mostly Cloudy 36% 10 mph E 51%
6 PM 31° Mostly Cloudy 36% 10 mph ESE 55%
7 PM 29° Mostly Cloudy 37% 9 mph ESE 62%
8 PM 28° Mostly Cloudy 27% 8 mph E 68%
9 PM 25° Mostly Cloudy 28% 8 mph E 74%
10 PM 24° Partly Cloudy 19% 7 mph E 73%
11 PM 24° Partly Cloudy 19% 8 mph E 71%
12 AM 24° Partly Cloudy 20% 8 mph E 70%
1 AM 23° Partly Cloudy 11% 9 mph E 70%
2 AM 23° Partly Cloudy 11% 9 mph ESE 70%
3 AM 22° Partly Cloudy 11% 9 mph ESE 70%
4 AM 22° Partly Cloudy 9% 9 mph ESE 70%
5 AM 21° Partly Cloudy 3% 9 mph ESE 70%
6 AM 20° Partly Cloudy 3% 9 mph ESE 69%
7 AM 21° Partly Cloudy 3% 10 mph ESE 66%
15-Day Forecast
Today
9/6
Partly Cloudy
36%
20°
36°
Mon
9/7
Partly Cloudy
11%
20°
33°
Tue
9/8
Mostly Clear
7%
18°
41°
Wed
9/9
Heavy Rain
81%
20°
37°
Thu
9/10
Rain
82%
17°
33°
Fri
9/11
Rain
70%
13°
36°
Sat
9/12
Rain
71%
19°
34°
Sun
9/13
Rain
82%
12°
30°
Mon
9/14
Drizzle
44%
9°
27°
Tue
9/15
Drizzle
51%
4°
28°
Wed
9/16
Drizzle
60%
7°
31°
Thu
9/17
Drizzle
60%
17°
32°
Fri
9/18
Drizzle
60%
17°
31°
Sat
9/19
Drizzle
60%
17°
31°
Sun
9/20
Drizzle
60%
17°
31°
46
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
43 AQI 7.9 µg/m³
O3
Ground-level ozone
Dominant
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 46 Good 46 43
Tue 51 Moderate 43 51
Wed 52 Moderate 50 52
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 Sun Sep 6, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1699 J/kg
MLCAPE887 J/kg
MUCAPE1699 J/kg
SBCIN-256 J/kg
MLCIN-238 J/kg
Lifted Index-5.6
Kinematics
0–6 km Shear14 kt
0–1 km Shear7 kt
Eff. Shear24 kt
0–1 km SRH41
0–3 km SRH91
Eff. SRH105
Storm Motion42° @ 19 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell2.2
K-Index32.7
Thermo & Levels
PWAT1.60 in
0–3 km LR5.3 °C/km
700–500 LR6.6 °C/km
Total Totals49.8
LCL936 hPa
LFC756 hPa
EL195 hPa
Freezing Lvl14,160 ft