Heat Advisory — Republic, KS, Washington, KS, Marshall, KS, Cloud, KS, Clay, KS, Ottawa, KS, Dickinson, KS, Nemaha, KS, Brown, KS, Riley, KS, Pottawatomie, KS, Jackson, KS, Jefferson, KS, Geary, KS, Morris, KS, Wabaunsee, KS, Lyon, KS, Shawnee, KS, Douglas, KS, Osage, KS, Franklin, KS, Coffey, KS, Anderson, KS 7:00 PM Excessive Heat Warning — Shawnee, KS, Douglas, KS, Lyon, KS, Osage, KS, Franklin, KS, Coffey, KS, Anderson, KS, 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 9:00 PM

Jefferson County, Kansas, United States

Last updated: 2:59 AM CDT  ·  Refresh
28°C
Feels like 30°
Partly Cloudy
▲ 38°  /  ▼ 24°
Wind
9 mph S
Humidity
71%
Dew Point
22°
Pressure
28.74 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
31%
Sunrise
6:17 AM
Sunset
8:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently partly cloudy at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2465 J/kg) — isolated convective development possible. Sunrise: 6:17AM · Sunset: 8:38PM.

Alerts

Heat Advisory
Republic, KS, Washington, KS, Marshall, KS, Cloud, KS, Clay, KS, Ottawa, KS, Dickinson, KS, Nemaha, KS, Brown, KS, Riley, KS, Pottawatomie, KS, Jackson, KS, Jefferson, KS, Geary, KS, Morris, KS, Wabaunsee, KS, Lyon, KS, Shawnee, KS, Douglas, KS, Osage, KS, Franklin, KS, Coffey, KS, Anderson, KS
Expires 7:00 PM
Excessive Heat Warning
Shawnee, KS, Douglas, KS, Lyon, KS, Osage, KS, Franklin, KS, Coffey, KS, Anderson, KS, 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
Expires 9:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
13%
3 AM
28°
13%
4 AM
27°
4%
5 AM
25°
4%
6 AM
24°
4%
7 AM
26°
4%
8 AM
27°
4%
9 AM
30°
3%
10 AM
32°
3%
11 AM
33°
3%
12 PM
36°
3%
1 PM
37°
5%
2 PM
38°
5%
3 PM
38°
5%
4 PM
37°
17%
5 PM
37°
18%
6 PM
36°
18%
7 PM
35°
18%
8 PM
33°
18%
9 PM
31°
19%
10 PM
31°
19%
11 PM
29°
19%
12 AM
29°
19%
1 AM
29°
20%
7-Day Forecast
Today
38° 24°
Mostly Clear.
Tue
34° 24°
Mostly Cloudy with a 23% chance of rain.
Wed
33° 24°
Mostly Clear with a 35% chance of rain.
Thu
32° 23°
Clear with a 75% chance of rain.
Fri
33° 21°
Drizzle, 76% chance.
Sat
31° 21°
Clear.
Sun
34° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Partly Cloudy 13% 9 mph S 71%
3 AM 28° Partly Cloudy 13% 9 mph SSW 69%
4 AM 27° Partly Cloudy 4% 9 mph SSW 70%
5 AM 25° Mostly Clear 4% 9 mph SSW 72%
6 AM 24° Mostly Clear 4% 9 mph SSW 73%
7 AM 26° Mostly Clear 4% 10 mph SSW 69%
8 AM 27° Partly Cloudy 4% 11 mph SSW 64%
9 AM 30° Mostly Clear 3% 11 mph SSW 59%
10 AM 32° Mostly Clear 3% 11 mph SSW 54%
11 AM 33° Mostly Clear 3% 11 mph SSW 49%
12 PM 36° Clear 3% 12 mph SSW 44%
1 PM 37° Clear 5% 12 mph SSW 42%
2 PM 38° Partly Cloudy 5% 12 mph SSW 41%
3 PM 38° Mostly Clear 5% 13 mph SSW 40%
4 PM 37° Clear 17% 12 mph SSW 42%
5 PM 37° Clear 18% 11 mph S 45%
6 PM 36° Clear 18% 10 mph S 48%
7 PM 35° Clear 18% 10 mph S 53%
8 PM 33° Clear 18% 9 mph S 56%
9 PM 31° Clear 19% 9 mph S 60%
10 PM 31° Clear 19% 8 mph S 63%
11 PM 29° Mostly Clear 19% 8 mph S 66%
12 AM 29° Mostly Clear 19% 8 mph S 70%
1 AM 29° Partly Cloudy 20% 7 mph S 70%
15-Day Forecast
Today
7/27
Mostly Clear
18%
24°
38°
Tue
7/28
Mostly Cloudy
23%
24°
34°
Wed
7/29
Mostly Clear
35%
24°
33°
Thu
7/30
Clear
75%
23°
32°
Fri
7/31
Drizzle
76%
21°
33°
Sat
8/1
Clear
17%
21°
31°
Sun
8/2
Clear
8%
19°
34°
Mon
8/3
Drizzle
43%
21°
36°
Tue
8/4
Clear
44%
21°
38°
Wed
8/5
Drizzle
51%
20°
34°
Thu
8/6
Drizzle
60%
23°
36°
Fri
8/7
Drizzle
60%
23°
36°
Sat
8/8
Drizzle
60%
23°
36°
Sun
8/9
Drizzle
60%
23°
37°
Mon
8/10
Clear
60%
23°
37°
55
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
55 AQI 11.5 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 31 55
Tue 51 Moderate 36 51
Wed 49 Good 45 49
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 Mon Jul 27, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1081 J/kg
MLCAPE870 J/kg
MUCAPE1473 J/kg
SBCIN-539 J/kg
MLCIN0 J/kg
Lifted Index-3.4
Kinematics
0–6 km Shear21 kt
0–1 km Shear19 kt
Eff. Shear25 kt
0–1 km SRH130
0–3 km SRH65
Eff. SRH-5
Storm Motion266° @ 21 kt
0–1 km EHI0.9
Composite Parameters
Sig. Tornado0.4
STP (eff)0.0
Supercell0.0
K-Index36.9
Thermo & Levels
PWAT1.88 in
0–3 km LR4.9 °C/km
700–500 LR6.4 °C/km
Total Totals47.7
LCL898 hPa
LFC598 hPa
EL190 hPa
Freezing Lvl16,273 ft