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: 8:56 AM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Clear
▲ 37°  /  ▼ 25°
Wind
6 mph SW
Humidity
76%
Dew Point
25°
Pressure
29.11 inHg
Visibility
7 mi
UV Index
6.3
Cloud Cover
17%
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 mostly clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3471 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
29°
11%
9 AM
30°
14%
10 AM
32°
14%
11 AM
33°
14%
12 PM
34°
3%
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°
5%
8 PM
32°
5%
9 PM
29°
5%
10 PM
29°
8%
11 PM
28°
8%
12 AM
28°
9%
1 AM
27°
9%
2 AM
27°
9%
3 AM
27°
9%
4 AM
27°
18%
5 AM
26°
14%
6 AM
25°
14%
7 AM
26°
16%
7-Day Forecast
Today
37° 25°
Mostly Clear.
Mon
37° 25°
Mostly Clear with a 35% chance of rain.
Tue
36° 24°
Haze with a 35% chance of rain.
Wed
33° 23°
Partly Cloudy with a 43% chance of rain.
Thu
34° 22°
Rain, 64% chance.
Fri
32° 22°
Drizzle, 51% chance.
Sat
31° 20°
Rain.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 11% 6 mph SW 76%
9 AM 30° Clear 14% 6 mph SW 67%
10 AM 32° Clear 14% 7 mph SW 62%
11 AM 33° Clear 14% 7 mph SW 58%
12 PM 34° Clear 3% 8 mph SSW 53%
1 PM 36° Clear 3% 8 mph SSW 50%
2 PM 37° Mostly Clear 3% 8 mph SSW 48%
3 PM 37° Mostly Clear 3% 9 mph SSW 45%
4 PM 37° Clear 3% 9 mph SSW 48%
5 PM 37° Clear 3% 9 mph SSW 51%
6 PM 36° Clear 3% 8 mph SSW 54%
7 PM 34° Mostly Clear 5% 8 mph SSW 60%
8 PM 32° Mostly Clear 5% 7 mph SSW 66%
9 PM 29° Partly Cloudy 5% 7 mph SSW 71%
10 PM 29° Partly Cloudy 8% 7 mph SSW 71%
11 PM 28° Partly Cloudy 8% 8 mph SSW 70%
12 AM 28° Partly Cloudy 9% 8 mph SSW 70%
1 AM 27° Partly Cloudy 9% 8 mph SSW 69%
2 AM 27° Partly Cloudy 9% 9 mph SSW 68%
3 AM 27° Partly Cloudy 9% 9 mph SSW 68%
4 AM 27° Partly Cloudy 18% 9 mph SSW 70%
5 AM 26° Partly Cloudy 14% 8 mph SSW 73%
6 AM 25° Partly Cloudy 14% 8 mph SSW 75%
7 AM 26° Partly Cloudy 16% 8 mph SSW 73%
15-Day Forecast
Today
7/26
Mostly Clear
14%
25°
37°
Mon
7/27
Mostly Clear
35%
25°
37°
Tue
7/28
Haze
35%
24°
36°
Wed
7/29
Partly Cloudy
43%
23°
33°
Thu
7/30
Rain
64%
22°
34°
Fri
7/31
Drizzle
51%
22°
32°
Sat
8/1
Rain
19%
20°
31°
Sun
8/2
Drizzle
42%
19°
32°
Mon
8/3
Clear
19%
21°
34°
Tue
8/4
Clear
51%
23°
36°
Wed
8/5
Drizzle
60%
22°
35°
Thu
8/6
Drizzle
60%
22°
34°
Fri
8/7
Drizzle
60%
22°
33°
Sat
8/8
Drizzle
60%
22°
35°
Sun
8/9
Drizzle
60%
23°
34°
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
SBCAPE3160 J/kg
MLCAPE3416 J/kg
MUCAPE4048 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.8
Kinematics
0–6 km Shear13 kt
0–1 km Shear10 kt
Eff. Shear29 kt
0–1 km SRH-10
0–3 km SRH-7
Eff. SRH-7
Storm Motion236° @ 17 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index23.9
Thermo & Levels
PWAT1.55 in
0–3 km LR5.5 °C/km
700–500 LR5.9 °C/km
Total Totals43.7
LCL931 hPa
LFC986 hPa
EL146 hPa
Freezing Lvl16,988 ft