Frost Advisory — Jefferson, KS, Morris, KS, Wabaunsee, KS, Shawnee, KS, Douglas, KS, Lyon, KS, Osage, KS, Franklin, KS, Coffey, KS, Anderson, KS 9:00 AM

Lyon County, Kansas, United States

Last updated: 7:28 PM CDT  ·  Refresh
10°C
Feels like 8°
Clear
▲ 13°  /  ▼ 2°
Wind
10 mph N
Humidity
59%
Dew Point
1°
Pressure
29.28 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
7:33 AM
Sunset
6:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lyon County is currently clear at 10°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:33AM · Sunset: 6:44PM.

Alerts

Frost Advisory
Jefferson, KS, Morris, KS, Wabaunsee, KS, Shawnee, KS, Douglas, KS, Lyon, KS, Osage, KS, Franklin, KS, Coffey, KS, Anderson, KS
Expires 9:00 AM
24 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
10°
8%
8 PM
9°
8%
9 PM
7°
3%
10 PM
6°
3%
11 PM
6°
3%
12 AM
6°
3%
1 AM
4°
3%
2 AM
4°
3%
3 AM
3°
3%
4 AM
3°
3%
5 AM
2°
3%
6 AM
2°
3%
7 AM
2°
3%
8 AM
3°
3%
9 AM
7°
3%
10 AM
9°
3%
11 AM
11°
3%
12 PM
12°
3%
1 PM
14°
3%
2 PM
14°
3%
3 PM
15°
3%
4 PM
15°
3%
5 PM
12°
3%
6 PM
11°
3%
7-Day Forecast
Tonight
13° 2°
Clear.
Sat
16° 2°
Clear.
Sun
20° 3°
Clear.
Mon
21° 5°
Clear.
Tue
23° 9°
Rain.
Wed
25° 12°
Clear.
Thu
27° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 10° Clear 8% 10 mph N 59%
8 PM 9° Clear 8% 7 mph N 61%
9 PM 7° Clear 3% 7 mph N 64%
10 PM 6° Clear 3% 7 mph N 67%
11 PM 6° Clear 3% 6 mph N 69%
12 AM 6° Clear 3% 6 mph N 70%
1 AM 4° Clear 3% 5 mph N 72%
2 AM 4° Clear 3% 5 mph N 73%
3 AM 3° Clear 3% 5 mph NNW 74%
4 AM 3° Clear 3% 4 mph N 75%
5 AM 2° Clear 3% 4 mph N 76%
6 AM 2° Clear 3% 3 mph NNW 77%
7 AM 2° Clear 3% 2 mph WNW 76%
8 AM 3° Clear 3% 2 mph WSW 71%
9 AM 7° Clear 3% 3 mph SSW 64%
10 AM 9° Clear 3% 4 mph SSW 58%
11 AM 11° Clear 3% 5 mph SSW 52%
12 PM 12° Clear 3% 6 mph SSW 47%
1 PM 14° Clear 3% 6 mph SSW 44%
2 PM 14° Clear 3% 6 mph S 41%
3 PM 15° Clear 3% 6 mph S 40%
4 PM 15° Clear 3% 6 mph S 41%
5 PM 12° Clear 3% 7 mph S 45%
6 PM 11° Clear 3% 7 mph S 50%
15-Day Forecast
Today
10/16
Clear
8%
2°
13°
Sat
10/17
Clear
3%
2°
16°
Sun
10/18
Clear
3%
3°
20°
Mon
10/19
Clear
3%
5°
21°
Tue
10/20
Rain
17%
9°
23°
Wed
10/21
Clear
8%
12°
25°
Thu
10/22
Clear
17%
14°
27°
Fri
10/23
Clear
17%
15°
26°
Sat
10/24
Drizzle
68%
12°
26°
Sun
10/25
Rain
68%
9°
19°
Mon
10/26
Drizzle
60%
9°
22°
Tue
10/27
Drizzle
60%
9°
19°
Wed
10/28
Drizzle
60%
9°
19°
Thu
10/29
Drizzle
60%
10°
20°
Fri
10/30
Clear
60%
10°
20°
24
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
5 AQI 1.0 µg/m³
O3
Ground-level ozone
Dominant
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 24 Good 24 5
Sun 27 Good 27 13
Mon 28 Good 28 17
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 Fri Oct 16, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE4 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index20.7
Kinematics
0–6 km Shear40 kt
0–1 km Shear16 kt
Eff. Shear—
0–1 km SRH55
0–3 km SRH37
Eff. SRH—
Storm Motion18° @ 43 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-26.4
Thermo & Levels
PWAT0.33 in
0–3 km LR3.5 °C/km
700–500 LR4.4 °C/km
Total Totals18.8
LCL871 hPa
LFC992 hPa
EL992 hPa
Freezing Lvl4,239 ft