Excessive Heat Watch 9:00 PM Excessive Heat Warning — 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 9:00 PM

Jefferson County, Kansas, United States

Last updated: 3:47 PM CDT  ·  Refresh
32°C
Feels like 39°
Mostly Clear
▲ 33°  /  ▼ 24°
Wind
17 mph SSW
Humidity
62%
Dew Point
24°
Pressure
28.78 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
14%
Sunrise
5:58 AM
Sunset
8:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3808 J/kg) — isolated convective development possible. Sunrise: 5:58AM · Sunset: 8:51PM.

Alerts

Excessive Heat Watch
Expires 9:00 PM
Excessive Heat Warning
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 9:00 PM
88 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
4 PM
32°
3%
5 PM
33°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
29°
3%
9 PM
27°
3%
10 PM
27°
3%
11 PM
26°
3%
12 AM
26°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
25°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
26°
3%
10 AM
28°
3%
11 AM
28°
3%
12 PM
29°
3%
1 PM
31°
3%
2 PM
31°
3%
7-Day Forecast
Today
33° 24°
Mostly Clear.
Wed
34° 24°
Mostly Cloudy.
Thu
35° 23°
Mostly Cloudy.
Fri
34° 23°
Clear with a 52% chance of rain.
Sat
35° 23°
Thunderstorm, 60% chance.
Sun
34° 22°
Thunderstorm, 60% chance.
Mon
33° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 3% 17 mph SSW 62%
4 PM 32° Mostly Clear 3% 17 mph S 65%
5 PM 33° Mostly Clear 3% 16 mph S 68%
6 PM 32° Mostly Clear 3% 15 mph S 70%
7 PM 31° Mostly Clear 3% 14 mph S 71%
8 PM 29° Mostly Clear 3% 12 mph S 73%
9 PM 27° Mostly Clear 3% 10 mph S 76%
10 PM 27° Partly Cloudy 3% 10 mph S 77%
11 PM 26° Mostly Cloudy 3% 11 mph S 78%
12 AM 26° Partly Cloudy 3% 12 mph S 78%
1 AM 26° Partly Cloudy 3% 12 mph S 78%
2 AM 26° Mostly Clear 3% 12 mph S 80%
3 AM 25° Partly Cloudy 3% 13 mph S 80%
4 AM 25° Partly Cloudy 3% 12 mph SSW 81%
5 AM 24° Partly Cloudy 3% 12 mph S 82%
6 AM 24° Partly Cloudy 3% 13 mph S 82%
7 AM 24° Partly Cloudy 3% 14 mph SSW 80%
8 AM 26° Mostly Cloudy 3% 15 mph SSW 75%
9 AM 26° Overcast 3% 16 mph SSW 73%
10 AM 28° Overcast 3% 16 mph SSW 70%
11 AM 28° Mostly Cloudy 3% 16 mph SSW 68%
12 PM 29° Mostly Cloudy 3% 17 mph SSW 65%
1 PM 31° Mostly Cloudy 3% 17 mph SSW 64%
2 PM 31° Mostly Cloudy 3% 17 mph SSW 63%
15-Day Forecast
Today
6/30
Mostly Clear
3%
24°
33°
Wed
7/1
Mostly Cloudy
7%
24°
34°
Thu
7/2
Mostly Cloudy
3%
23°
35°
Fri
7/3
Clear
52%
23°
34°
Sat
7/4
Thunderstorm
60%
23°
35°
Sun
7/5
Thunderstorm
60%
22°
34°
Mon
7/6
Clear
19%
22°
33°
Tue
7/7
Clear
60%
22°
34°
Wed
7/8
Drizzle
60%
22°
34°
Thu
7/9
Thunderstorm
60%
23°
35°
Fri
7/10
Drizzle
60%
22°
33°
Sat
7/11
Clear
60%
21°
33°
Sun
7/12
Drizzle
60%
21°
33°
Mon
7/13
Clear
60%
20°
33°
Tue
7/14
Drizzle
60%
21°
32°
88
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
88 AQI 29.2 µg/m³
O3
Ground-level ozone
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 88 Moderate 27 88
Thu 48 Good 31 48
Fri 52 Moderate 31 52
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 Jun 30, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4628 J/kg
MLCAPE3384 J/kg
MUCAPE4628 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-10.1
Kinematics
0–6 km Shear25 kt
0–1 km Shear7 kt
Eff. Shear23 kt
0–1 km SRH-17
0–3 km SRH-34
Eff. SRH-34
Storm Motion193° @ 32 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.3
Thermo & Levels
PWAT1.61 in
0–3 km LR6.9 °C/km
700–500 LR7.2 °C/km
Total Totals53.2
LCL869 hPa
LFC975 hPa
EL130 hPa
Freezing Lvl14,760 ft