Heat Advisory — Phillips, KS, Smith, KS, Jewell, KS, Rooks, KS, Osborne, KS, Mitchell, KS, Polk, NE, Hamilton, NE, York, NE, Kearney, NE, Adams, NE, Clay, NE, Fillmore, NE, Harlan, NE, Franklin, NE, Webster, NE, Nuckolls, NE, Thayer, NE 8:00 PM

Polk County, Nebraska, United States

Last updated: 7:53 AM CDT  ·  Refresh
23°C
Feels like 25°
Clear
▲ 37°  /  ▼ 20°
Wind
5 mph SSE
Humidity
78%
Dew Point
20°
Pressure
28.19 inHg
Visibility
10 mi
UV Index
2.6
Cloud Cover
3%
Sunrise
6:59 AM
Sunset
7:56 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Polk County is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2507 J/kg) — isolated convective development possible. Sunrise: 6:59AM · Sunset: 7:56PM.

Alerts

Heat Advisory
Phillips, KS, Smith, KS, Jewell, KS, Rooks, KS, Osborne, KS, Mitchell, KS, Polk, NE, Hamilton, NE, York, NE, Kearney, NE, Adams, NE, Clay, NE, Fillmore, NE, Harlan, NE, Franklin, NE, Webster, NE, Nuckolls, NE, Thayer, NE
Expires 8:00 PM
45 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
11%
8 AM
23°
31%
9 AM
25°
23%
10 AM
27°
16%
11 AM
29°
16%
12 PM
31°
9%
1 PM
33°
7%
2 PM
33°
7%
3 PM
34°
8%
4 PM
33°
16%
5 PM
35°
16%
6 PM
34°
17%
7 PM
32°
22%
8 PM
29°
22%
9 PM
27°
23%
10 PM
26°
32%
11 PM
25°
33%
12 AM
24°
33%
1 AM
24°
34%
2 AM
23°
34%
3 AM
23°
35%
4 AM
23°
35%
5 AM
20°
36%
6 AM
20°
37%
7-Day Forecast
Today
37° 20°
Clear with a 32% chance of rain.
Sun
32° 20°
Partly Cloudy with a 51% chance of rain.
Mon
36° 18°
Partly Cloudy with a 27% chance of rain.
Tue
35° 18°
Partly Cloudy with a 60% chance of rain.
Wed
33° 14°
Clear.
Thu
33° 14°
Clear with a 28% chance of rain.
Fri
36° 16°
Clear with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 11% 5 mph SSE 78%
8 AM 23° Clear 31% 5 mph S 67%
9 AM 25° Clear 23% 4 mph S 59%
10 AM 27° Clear 16% 3 mph SSE 54%
11 AM 29° Clear 16% 5 mph SSE 49%
12 PM 31° Clear 9% 8 mph SSE 44%
1 PM 33° Clear 7% 9 mph SSE 41%
2 PM 33° Clear 7% 10 mph SSE 39%
3 PM 34° Clear 8% 10 mph SSE 37%
4 PM 33° Clear 16% 9 mph SSE 39%
5 PM 35° Mostly Clear 16% 8 mph SSE 40%
6 PM 34° Mostly Clear 17% 7 mph SSE 44%
7 PM 32° Mostly Clear 22% 7 mph SE 50%
8 PM 29° Partly Cloudy 22% 7 mph SE 57%
9 PM 27° Partly Cloudy 23% 8 mph SE 63%
10 PM 26° Partly Cloudy 32% 7 mph SE 66%
11 PM 25° Partly Cloudy 33% 6 mph SSE 70%
12 AM 24° Partly Cloudy 33% 6 mph SSE 73%
1 AM 24° Partly Cloudy 34% 6 mph SSE 75%
2 AM 23° Partly Cloudy 34% 6 mph SSE 76%
3 AM 23° Mostly Cloudy 35% 7 mph S 78%
4 AM 23° Mostly Cloudy 35% 6 mph SSE 79%
5 AM 20° Mostly Cloudy 36% 6 mph SSE 80%
6 AM 20° Mostly Cloudy 37% 6 mph SSE 81%
15-Day Forecast
Today
9/5
Clear
32%
20°
37°
Sun
9/6
Partly Cloudy
51%
20°
32°
Mon
9/7
Partly Cloudy
27%
18°
36°
Tue
9/8
Partly Cloudy
60%
18°
35°
Wed
9/9
Clear
16%
14°
33°
Thu
9/10
Clear
28%
14°
33°
Fri
9/11
Clear
28%
16°
36°
Sat
9/12
Rain
69%
17°
37°
Sun
9/13
Rain
68%
15°
32°
Mon
9/14
Rain
68%
14°
29°
Tue
9/15
Clear
60%
14°
33°
Wed
9/16
Drizzle
60%
18°
32°
Thu
9/17
Drizzle
60%
18°
31°
Fri
9/18
Clear
60%
17°
32°
Sat
9/19
Drizzle
60%
16°
31°
45
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
34 AQI 6.2 µg/m³
O3
Ground-level ozone
Dominant
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 45 Good 45 34
Mon 42 Good 42 26
Tue 44 Good 44 39
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 Sat Sep 5, 11:00'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
SBCAPE645 J/kg
MLCAPE912 J/kg
MUCAPE1206 J/kg
SBCIN-680 J/kg
MLCIN-475 J/kg
Lifted Index-3.2
Kinematics
0–6 km Shear5 kt
0–1 km Shear18 kt
Eff. Shear16 kt
0–1 km SRH95
0–3 km SRH63
Eff. SRH-53
Storm Motion313° @ 8 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.5
Thermo & Levels
PWAT1.34 in
0–3 km LR4.0 °C/km
700–500 LR7.7 °C/km
Total Totals51.9
LCL911 hPa
LFC613 hPa
EL263 hPa
Freezing Lvl14,186 ft