Extreme Heat Warning — Harper, KS, Sumner, KS, Cowley, KS, Elk, KS, Wilson, KS, Neosho, KS, Chautauqua, KS, Montgomery, KS, Labette, KS 8:00 PM Excessive Heat Watch 9:00 PM

Sumner County, Kansas, United States

Last updated: 4:50 PM CDT  ·  Refresh
37°C
Feels like 41°
Clear
▲ 37°  /  ▼ 20°
Wind
14 mph ENE
Humidity
38%
Dew Point
22°
Pressure
28.59 inHg
Visibility
10 mi
UV Index
7.7
Cloud Cover
3%
Sunrise
6:26 AM
Sunset
8:46 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sumner County is currently clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2271 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 8:46PM.

Alerts

Extreme Heat Warning
Harper, KS, Sumner, KS, Cowley, KS, Elk, KS, Wilson, KS, Neosho, KS, Chautauqua, KS, Montgomery, KS, Labette, KS
Expires 8:00 PM
Excessive Heat Watch
Expires 9:00 PM
59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
4%
5 PM
37°
16%
6 PM
37°
16%
7 PM
35°
18%
8 PM
33°
18%
9 PM
30°
21%
10 PM
29°
21%
11 PM
28°
20%
12 AM
27°
8%
1 AM
26°
8%
2 AM
24°
8%
3 AM
24°
8%
4 AM
23°
8%
5 AM
21°
8%
6 AM
20°
8%
7 AM
21°
9%
8 AM
22°
9%
9 AM
24°
9%
10 AM
25°
9%
11 AM
28°
5%
12 PM
29°
5%
1 PM
30°
5%
2 PM
30°
5%
3 PM
31°
9%
7-Day Forecast
Today
37° 20°
Clear with a 21% chance of rain.
Wed
32° 20°
Clear with a 21% chance of rain.
Thu
33° 19°
Partly Cloudy with a 47% chance of rain.
Fri
34° 22°
Mostly Cloudy with a 55% chance of rain.
Sat
38° 24°
Mostly Clear.
Sun
42° 26°
Partly Cloudy.
Mon
42° 27°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 4% 14 mph ENE 38%
5 PM 37° Clear 16% 14 mph ENE 38%
6 PM 37° Clear 16% 13 mph ENE 36%
7 PM 35° Clear 18% 12 mph ENE 36%
8 PM 33° Clear 18% 10 mph ENE 39%
9 PM 30° Clear 21% 9 mph ENE 44%
10 PM 29° Clear 21% 9 mph ENE 48%
11 PM 28° Clear 20% 10 mph ENE 51%
12 AM 27° Clear 8% 10 mph ENE 55%
1 AM 26° Clear 8% 10 mph ENE 59%
2 AM 24° Clear 8% 10 mph ENE 61%
3 AM 24° Clear 8% 9 mph ENE 63%
4 AM 23° Clear 8% 9 mph ENE 66%
5 AM 21° Clear 8% 8 mph ENE 69%
6 AM 20° Clear 8% 8 mph E 72%
7 AM 21° Clear 9% 10 mph E 69%
8 AM 22° Mostly Clear 9% 10 mph E 64%
9 AM 24° Mostly Clear 9% 11 mph E 60%
10 AM 25° Mostly Clear 9% 11 mph E 55%
11 AM 28° Clear 5% 12 mph E 51%
12 PM 29° Clear 5% 12 mph E 47%
1 PM 30° Clear 5% 12 mph E 45%
2 PM 30° Clear 5% 12 mph E 44%
3 PM 31° Clear 9% 13 mph E 43%
15-Day Forecast
Today
7/21
Clear
21%
20°
37°
Wed
7/22
Clear
21%
20°
32°
Thu
7/23
Partly Cloudy
47%
19°
33°
Fri
7/24
Mostly Cloudy
55%
22°
34°
Sat
7/25
Mostly Clear
8%
24°
38°
Sun
7/26
Partly Cloudy
8%
26°
42°
Mon
7/27
Mostly Clear
17%
27°
42°
Tue
7/28
Partly Cloudy
18%
26°
39°
Wed
7/29
Overcast
44%
26°
41°
Thu
7/30
Mostly Cloudy
44%
25°
42°
Fri
7/31
Mostly Cloudy
60%
24°
38°
Sat
8/1
Clear
25%
25°
38°
Sun
8/2
Clear
25%
25°
37°
Mon
8/3
Drizzle
60%
24°
37°
Tue
8/4
Clear
60%
25°
37°
59
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
59 AQI 13.6 µg/m³
O3
Ground-level ozone
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 59 Moderate 45 59
Thu 54 Moderate 40 54
Fri 53 Moderate 46 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 Tue Jul 21, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3002 J/kg
MLCAPE1995 J/kg
MUCAPE3002 J/kg
SBCIN0 J/kg
MLCIN-1 J/kg
Lifted Index-5.7
Kinematics
0–6 km Shear13 kt
0–1 km Shear1 kt
Eff. Shear23 kt
0–1 km SRH0
0–3 km SRH-32
Eff. SRH-32
Storm Motion156° @ 9 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.5
Thermo & Levels
PWAT1.89 in
0–3 km LR8.1 °C/km
700–500 LR6.2 °C/km
Total Totals49.7
LCL775 hPa
LFC968 hPa
EL139 hPa
Freezing Lvl16,407 ft