Heat Advisory — Atchison, MO, Nodaway, MO, Worth, MO, Gentry, MO, Holt, MO, Andrew, MO, De Kalb, MO, Daviess, MO, Buchanan, MO, Clinton, MO, Caldwell, MO, Livingston, MO, Ray, MO, Carroll, MO, Chariton, MO, Platte, MO, Clay, MO, Jackson, MO, Lafayette, MO, Saline, MO, Howard, MO, Cass, MO, Johnson, MO, Pettis, MO, Cooper, MO, Bates, MO, Henry, MO, Harrison, MO, Mercer, MO, Putnam, MO, Schuyler, MO, Grundy, MO, Sullivan, MO, Adair, MO, Linn, MO, Macon, MO, Randolph, MO 8:00 PM Excessive Heat Watch 7:00 PM

Johnson County, Missouri, United States

Last updated: 7:44 AM CDT  ·  Refresh
27°C
Feels like 30°
Partly Cloudy
▲ 37°  /  ▼ 26°
Wind
5 mph SW
Humidity
86%
Dew Point
25°
Pressure
29.10 inHg
Visibility
7 mi
UV Index
4.1
Cloud Cover
39%
Sunrise
6:11 AM
Sunset
8:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently partly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3440 J/kg) — isolated convective development possible. Sunrise: 6:11AM · Sunset: 8:31PM.

Alerts

Heat Advisory
Atchison, MO, Nodaway, MO, Worth, MO, Gentry, MO, Holt, MO, Andrew, MO, De Kalb, MO, Daviess, MO, Buchanan, MO, Clinton, MO, Caldwell, MO, Livingston, MO, Ray, MO, Carroll, MO, Chariton, MO, Platte, MO, Clay, MO, Jackson, MO, Lafayette, MO, Saline, MO, Howard, MO, Cass, MO, Johnson, MO, Pettis, MO, Cooper, MO, Bates, MO, Henry, MO, Harrison, MO, Mercer, MO, Putnam, MO, Schuyler, MO, Grundy, MO, Sullivan, MO, Adair, MO, Linn, MO, Macon, MO, Randolph, MO
Expires 8:00 PM
Excessive Heat Watch
Expires 7:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
8 AM
29°
29%
9 AM
30°
14%
10 AM
31°
14%
11 AM
33°
14%
12 PM
34°
7%
1 PM
36°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
36°
3%
7 PM
34°
3%
8 PM
32°
5%
9 PM
29°
5%
10 PM
29°
5%
11 PM
28°
5%
12 AM
28°
9%
1 AM
28°
9%
2 AM
27°
5%
3 AM
27°
5%
4 AM
27°
14%
5 AM
26°
14%
6 AM
26°
14%
7-Day Forecast
Today
37° 26°
Mostly Clear.
Mon
37° 26°
Mostly Clear with a 35% chance of rain.
Tue
35° 24°
Fog with a 35% chance of rain.
Wed
32° 23°
Mostly Cloudy with a 70% chance of rain.
Thu
33° 23°
Rain, 64% chance.
Fri
33° 23°
Drizzle, 70% chance.
Sat
31° 20°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 11% 5 mph SW 86%
8 AM 29° Mostly Clear 29% 6 mph SW 77%
9 AM 30° Clear 14% 6 mph SW 69%
10 AM 31° Clear 14% 7 mph SW 64%
11 AM 33° Mostly Clear 14% 7 mph SW 59%
12 PM 34° Clear 7% 8 mph SW 54%
1 PM 36° Clear 3% 8 mph SSW 51%
2 PM 37° Clear 3% 8 mph SSW 48%
3 PM 37° Clear 3% 9 mph SSW 46%
4 PM 37° Clear 3% 10 mph SSW 47%
5 PM 37° Clear 3% 9 mph SSW 50%
6 PM 36° Clear 3% 8 mph SSW 54%
7 PM 34° Clear 3% 8 mph SSW 59%
8 PM 32° Mostly Clear 5% 7 mph SSW 65%
9 PM 29° Partly Cloudy 5% 7 mph SSW 70%
10 PM 29° Partly Cloudy 5% 7 mph SSW 71%
11 PM 28° Partly Cloudy 5% 8 mph SSW 70%
12 AM 28° Partly Cloudy 9% 8 mph SSW 70%
1 AM 28° Partly Cloudy 9% 8 mph SSW 69%
2 AM 27° Partly Cloudy 5% 9 mph SSW 69%
3 AM 27° Partly Cloudy 5% 9 mph SSW 68%
4 AM 27° Partly Cloudy 14% 9 mph SSW 70%
5 AM 26° Partly Cloudy 14% 9 mph SSW 72%
6 AM 26° Partly Cloudy 14% 8 mph SSW 75%
15-Day Forecast
Today
7/26
Mostly Clear
14%
26°
37°
Mon
7/27
Mostly Clear
35%
26°
37°
Tue
7/28
Fog
35%
24°
35°
Wed
7/29
Mostly Cloudy
70%
23°
32°
Thu
7/30
Rain
64%
23°
33°
Fri
7/31
Drizzle
70%
23°
33°
Sat
8/1
Rain
28%
20°
31°
Sun
8/2
Drizzle
43%
20°
31°
Mon
8/3
Drizzle
44%
21°
33°
Tue
8/4
Drizzle
51%
23°
36°
Wed
8/5
Drizzle
60%
22°
34°
Thu
8/6
Drizzle
60%
22°
34°
Fri
8/7
Clear
60%
22°
33°
Sat
8/8
Drizzle
60%
23°
34°
Sun
8/9
Drizzle
60%
23°
35°
56
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
56 AQI 12.1 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 56 Moderate 33 56
Tue 49 Good 33 49
Wed 43 Good 43 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 Sun Jul 26, 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
SBCAPE2619 J/kg
MLCAPE3605 J/kg
MUCAPE5407 J/kg
SBCIN-287 J/kg
MLCIN0 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear10 kt
0–1 km Shear12 kt
Eff. Shear34 kt
0–1 km SRH-5
0–3 km SRH-2
Eff. SRH13
Storm Motion235° @ 16 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.2
K-Index21.8
Thermo & Levels
PWAT1.52 in
0–3 km LR4.9 °C/km
700–500 LR5.9 °C/km
Total Totals41.8
LCL954 hPa
LFC718 hPa
EL152 hPa
Freezing Lvl16,942 ft