Flash Flood Warning — Henderson County, NC, Polk County, NC, Transylvania County, NC 4:15 AM Flood Advisory — Henderson County, NC, Polk County, NC 7:00 AM Flood Advisory — Polk County, NC 7:30 AM Flood Watch 1:00 PM

Polk County, North Carolina, United States

Last updated: 12:34 AM CDT  ·  Refresh
17°C
Feels like 18°
Overcast
▲ 21°  /  ▼ 16°
Wind
5 mph NE
Humidity
98%
Dew Point
17°
Pressure
28.67 inHg
Visibility
5 mi
UV Index
0.0
Cloud Cover
96%
Sunrise
7:31 AM
Sunset
6:58 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Polk County is currently overcast at 17°C. Precipitation is likely — peak probability 90% around 1 AM. Sunrise: 7:31AM · Sunset: 6:58PM.

Alerts

Flash Flood Warning
Henderson County, NC, Polk County, NC, Transylvania County, NC
Expires 4:15 AM
Flood Advisory
Henderson County, NC, Polk County, NC
Expires 7:00 AM
Flood Advisory
Polk County, NC
Expires 7:30 AM
Flood Watch
Expires 1:00 PM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
17°
90%
2 AM
18°
77%
3 AM
18°
77%
4 AM
19°
77%
5 AM
18°
69%
6 AM
17°
62%
7 AM
17°
51%
8 AM
17°
26%
9 AM
18°
18%
10 AM
18°
19%
11 AM
18°
22%
12 PM
18°
23%
1 PM
20°
21%
2 PM
20°
18%
3 PM
20°
18%
4 PM
20°
17%
5 PM
19°
6%
6 PM
19°
3%
7 PM
18°
3%
8 PM
18°
3%
9 PM
17°
3%
10 PM
17°
3%
11 PM
17°
3%
12 AM
17°
3%
7-Day Forecast
Today
21° 16°
Partly Cloudy with a 90% chance of rain.
Mon
27° 16°
Mostly Clear.
Tue
30° 13°
Clear.
Wed
32° 17°
Partly Cloudy.
Thu
30° 17°
Clear.
Fri
28° 13°
Mostly Cloudy.
Sat
20° 3°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 17° Overcast 90% 5 mph NE 98%
2 AM 18° Heavy Rain 77% 4 mph E 98%
3 AM 18° Rain 77% 5 mph SE 98%
4 AM 19° Rain 77% 6 mph SSE 98%
5 AM 18° Rain 69% 6 mph SSE 98%
6 AM 17° Mostly Cloudy 62% 6 mph S 97%
7 AM 17° Partly Cloudy 51% 6 mph SSW 96%
8 AM 17° Mostly Clear 26% 7 mph SSW 92%
9 AM 18° Mostly Clear 18% 9 mph SSW 84%
10 AM 18° Mostly Clear 19% 10 mph SSW 78%
11 AM 18° Mostly Clear 22% 11 mph SSW 74%
12 PM 18° Mostly Clear 23% 11 mph SW 73%
1 PM 20° Partly Cloudy 21% 12 mph SW 73%
2 PM 20° Partly Cloudy 18% 12 mph SW 73%
3 PM 20° Partly Cloudy 18% 11 mph SW 73%
4 PM 20° Partly Cloudy 17% 10 mph SW 73%
5 PM 19° Partly Cloudy 6% 9 mph SW 75%
6 PM 19° Partly Cloudy 3% 8 mph SW 78%
7 PM 18° Partly Cloudy 3% 7 mph SW 81%
8 PM 18° Partly Cloudy 3% 6 mph WSW 82%
9 PM 17° Partly Cloudy 3% 6 mph WSW 81%
10 PM 17° Partly Cloudy 3% 7 mph WSW 80%
11 PM 17° Partly Cloudy 3% 7 mph WSW 80%
12 AM 17° Mostly Clear 3% 7 mph W 81%
15-Day Forecast
Today
10/11
Partly Cloudy
90%
16°
21°
Mon
10/12
Mostly Clear
3%
16°
27°
Tue
10/13
Clear
3%
13°
30°
Wed
10/14
Partly Cloudy
7%
17°
32°
Thu
10/15
Clear
15%
17°
30°
Fri
10/16
Mostly Cloudy
15%
13°
28°
Sat
10/17
Clear
15%
3°
20°
Sun
10/18
Mostly Clear
34%
1°
15°
Mon
10/19
Partly Cloudy
35%
1°
17°
Tue
10/20
Overcast
19%
3°
21°
Wed
10/21
Clear
60%
7°
22°
Thu
10/22
Clear
60%
8°
22°
Fri
10/23
Clear
60%
8°
22°
Sat
10/24
Drizzle
60%
8°
22°
Sun
10/25
Clear
60%
8°
22°
31
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
22 AQI 3.9 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 22
Mon 37 Good 37 8
Tue 43 Good 43 31
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 Sun Oct 11, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE29 J/kg
MUCAPE489 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index5.2
Kinematics
0–6 km Shear52 kt
0–1 km Shear36 kt
Eff. Shear30 kt
0–1 km SRH318
0–3 km SRH366
Eff. SRH118
Storm Motion205° @ 38 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.9
K-Index39.3
Thermo & Levels
PWAT1.92 in
0–3 km LR3.6 °C/km
700–500 LR5.1 °C/km
Total Totals45.9
LCL968 hPa
LFC—
EL—
Freezing Lvl13,973 ft