Heat Advisory — Nemaha, KS, Brown, KS, Cloud, KS, Clay, KS, Riley, KS, Pottawatomie, KS, Jackson, KS, Jefferson, KS 8:00 PM

Lyon County, Kansas, United States

Last updated: 5:10 AM CDT  ·  Refresh
26°C
Feels like 26°
Clear
▲ 38°  /  ▼ 26°
Wind
10 mph SSW
Humidity
62%
Dew Point
19°
Pressure
28.70 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
9%
Sunrise
6:35 AM
Sunset
8:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lyon County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1829 J/kg) — isolated convective development possible. Sunrise: 6:35AM · Sunset: 8:23PM.

Alerts

Heat Advisory
Nemaha, KS, Brown, KS, Cloud, KS, Clay, KS, Riley, KS, Pottawatomie, KS, Jackson, KS, Jefferson, KS
Expires 8:00 PM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
36°
3%
3 PM
37°
3%
4 PM
37°
4%
5 PM
37°
5%
6 PM
38°
5%
7 PM
37°
5%
8 PM
34°
5%
9 PM
33°
5%
10 PM
31°
3%
11 PM
31°
3%
12 AM
30°
3%
1 AM
29°
3%
2 AM
29°
3%
3 AM
29°
3%
4 AM
28°
3%
7-Day Forecast
Today
38° 26°
Mostly Clear.
Wed
40° 26°
Partly Cloudy.
Thu
39° 23°
Clear.
Fri
38° 21°
Mostly Clear with a 22% chance of rain.
Sat
39° 24°
Mostly Clear with a 22% chance of rain.
Sun
36° 22°
Overcast with a 35% chance of rain.
Mon
37° 19°
Partly Cloudy with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 10 mph SSW 62%
6 AM 24° Mostly Clear 3% 10 mph SSW 60%
7 AM 24° Partly Cloudy 3% 10 mph SSW 61%
8 AM 26° Mostly Clear 3% 13 mph SSW 58%
9 AM 28° Mostly Clear 3% 16 mph SSW 53%
10 AM 29° Mostly Clear 3% 17 mph SW 49%
11 AM 31° Mostly Clear 3% 17 mph SW 44%
12 PM 32° Mostly Clear 3% 17 mph SSW 40%
1 PM 33° Partly Cloudy 3% 17 mph SSW 36%
2 PM 36° Partly Cloudy 3% 16 mph SSW 34%
3 PM 37° Partly Cloudy 3% 16 mph SSW 32%
4 PM 37° Mostly Clear 4% 16 mph SSW 31%
5 PM 37° Mostly Clear 5% 14 mph SSW 31%
6 PM 38° Mostly Clear 5% 13 mph SSW 32%
7 PM 37° Clear 5% 12 mph S 35%
8 PM 34° Clear 5% 11 mph S 40%
9 PM 33° Clear 5% 11 mph S 44%
10 PM 31° Clear 3% 11 mph S 47%
11 PM 31° Mostly Clear 3% 12 mph S 47%
12 AM 30° Mostly Clear 3% 13 mph S 47%
1 AM 29° Partly Cloudy 3% 13 mph S 48%
2 AM 29° Mostly Clear 3% 13 mph S 49%
3 AM 29° Mostly Clear 3% 13 mph SSW 50%
4 AM 28° Mostly Clear 3% 12 mph SSW 52%
15-Day Forecast
Today
8/11
Mostly Clear
5%
26°
38°
Wed
8/12
Partly Cloudy
13%
26°
40°
Thu
8/13
Clear
15%
23°
39°
Fri
8/14
Mostly Clear
22%
21°
38°
Sat
8/15
Mostly Clear
22%
24°
39°
Sun
8/16
Overcast
35%
22°
36°
Mon
8/17
Partly Cloudy
21%
19°
37°
Tue
8/18
Clear
15%
23°
41°
Wed
8/19
Clear
35%
22°
41°
Thu
8/20
Mostly Clear
35%
26°
41°
Fri
8/21
Clear
60%
23°
41°
Sat
8/22
Drizzle
60%
23°
37°
Sun
8/23
Clear
60%
23°
38°
Mon
8/24
Drizzle
60%
22°
37°
Tue
8/25
Drizzle
60%
22°
37°
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
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 41 46
Wed 39 Good 39 30
Thu 51 Moderate 40 51
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 Aug 11, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE373 J/kg
MLCAPE816 J/kg
MUCAPE1127 J/kg
SBCIN-826 J/kg
MLCIN0 J/kg
Lifted Index-2.4
Kinematics
0–6 km Shear13 kt
0–1 km Shear25 kt
Eff. Shear—
0–1 km SRH69
0–3 km SRH126
Eff. SRH—
Storm Motion129° @ 10 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index26.6
Thermo & Levels
PWAT1.27 in
0–3 km LR4.4 °C/km
700–500 LR8.1 °C/km
Total Totals52.3
LCL872 hPa
LFC588 hPa
EL257 hPa
Freezing Lvl14,724 ft