Heat Advisory — Republic, KS, Washington, KS, Marshall, KS, Nemaha, KS, Brown, KS, Cloud, KS, Clay, KS, Riley, KS, Pottawatomie, KS, Jackson, KS, Jefferson, KS, Ottawa, KS, Dickinson, KS, Geary, KS, Morris, KS, Wabaunsee, KS, Shawnee, KS, Douglas, KS, Lyon, KS, Osage, KS, Franklin, KS, Coffey, KS, Anderson, KS 8:00 PM

Jefferson County, Kansas, United States

Last updated: 3:04 AM CDT  ·  Refresh
26°C
Feels like 24°
Clear
▲ 38°  /  ▼ 23°
Wind
9 mph S
Humidity
55%
Dew Point
17°
Pressure
28.84 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:51 AM
Sunset
7:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 906 J/kg) — isolated convective development possible. Sunrise: 6:51AM · Sunset: 7:50PM.

Alerts

Heat Advisory
Republic, KS, Washington, KS, Marshall, KS, Nemaha, KS, Brown, KS, Cloud, KS, Clay, KS, Riley, KS, Pottawatomie, KS, Jackson, KS, Jefferson, KS, Ottawa, KS, Dickinson, KS, Geary, KS, Morris, KS, Wabaunsee, KS, Shawnee, KS, Douglas, KS, Lyon, KS, Osage, KS, Franklin, KS, Coffey, KS, Anderson, KS
Expires 8:00 PM
67 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
4 AM
25°
3%
5 AM
24°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
26°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
36°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
36°
3%
6 PM
36°
3%
7 PM
35°
3%
8 PM
34°
3%
9 PM
32°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
28°
3%
1 AM
28°
3%
2 AM
27°
3%
7-Day Forecast
Today
38° 23°
Clear.
Thu
39° 23°
Mostly Clear.
Fri
39° 19°
Clear.
Sat
40° 22°
Overcast with a 26% chance of rain.
Sun
42° 23°
Clear with a 30% chance of rain.
Mon
42° 23°
Clear with a 30% chance of rain.
Tue
43° 26°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 9 mph S 55%
4 AM 25° Clear 3% 8 mph SSW 53%
5 AM 24° Clear 3% 8 mph SSW 55%
6 AM 22° Clear 3% 8 mph S 57%
7 AM 22° Mostly Clear 3% 9 mph S 60%
8 AM 24° Mostly Clear 3% 10 mph SSW 57%
9 AM 26° Mostly Clear 3% 12 mph SSW 52%
10 AM 28° Clear 3% 14 mph SSW 47%
11 AM 30° Clear 3% 14 mph SSW 42%
12 PM 32° Clear 3% 14 mph SW 38%
1 PM 33° Clear 3% 13 mph SSW 34%
2 PM 36° Clear 3% 13 mph SSW 32%
3 PM 37° Mostly Clear 3% 13 mph SSW 30%
4 PM 37° Mostly Clear 3% 13 mph S 29%
5 PM 36° Mostly Clear 3% 12 mph S 31%
6 PM 36° Mostly Clear 3% 11 mph S 33%
7 PM 35° Mostly Clear 3% 10 mph S 36%
8 PM 34° Clear 3% 10 mph S 40%
9 PM 32° Clear 3% 10 mph S 43%
10 PM 29° Clear 3% 10 mph S 47%
11 PM 28° Clear 3% 11 mph S 49%
12 AM 28° Clear 3% 11 mph S 51%
1 AM 28° Clear 3% 12 mph S 53%
2 AM 27° Clear 3% 11 mph S 55%
15-Day Forecast
Today
9/2
Clear
3%
23°
38°
Thu
9/3
Mostly Clear
6%
23°
39°
Fri
9/4
Clear
7%
19°
39°
Sat
9/5
Overcast
26%
22°
40°
Sun
9/6
Clear
30%
23°
42°
Mon
9/7
Clear
30%
23°
42°
Tue
9/8
Clear
17%
26°
43°
Wed
9/9
Rain
90%
22°
38°
Thu
9/10
Rain
68%
16°
35°
Fri
9/11
Rain
68%
18°
32°
Sat
9/12
Drizzle
60%
19°
34°
Sun
9/13
Drizzle
60%
19°
34°
Mon
9/14
Drizzle
60%
19°
34°
Tue
9/15
Drizzle
60%
19°
33°
Wed
9/16
Clear
60%
18°
33°
67
Moderate
U.S. Air Quality Index · Dominant: O3
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
59 AQI 13.3 µg/m³
O3
Ground-level ozone
Dominant
67 AQI 60 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 67 Moderate 67 59
Thu 64 Moderate 64 53
Fri 44 Good 44 43
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Sep 2, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE9 J/kg
MUCAPE128 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index2.5
Kinematics
0–6 km Shear16 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH95
0–3 km SRH64
Eff. SRH—
Storm Motion277° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.4
Thermo & Levels
PWAT1.16 in
0–3 km LR5.2 °C/km
700–500 LR5.9 °C/km
Total Totals43.2
LCL856 hPa
LFC—
EL—
Freezing Lvl15,879 ft