Flash Flood Watch 6:00 PM Areal Flood Watch 10:00 PM

Grand Central Tower, Chelan County, Washington, United States

Last updated: 3:52 PM CDT  ·  Refresh
12°C
Feels like 10°
Overcast
▲ 12°  /  ▼ 5°
Wind
4 mph WSW
Humidity
81%
Dew Point
9°
Pressure
27.95 inHg
Visibility
10 mi
UV Index
2.4
Cloud Cover
97%
Sunrise
6:35 AM
Sunset
7:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grand Central Tower is currently overcast at 12°C. Precipitation is likely — peak probability 58% around 2 PM. Sunrise: 6:35AM · Sunset: 7:17PM.

Alerts

Flash Flood Watch
Expires 6:00 PM
Areal Flood Watch
Expires 10:00 PM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
12°
42%
2 PM
10°
57%
3 PM
10°
56%
4 PM
10°
50%
5 PM
12°
43%
6 PM
11°
42%
7 PM
11°
12%
8 PM
11°
12%
9 PM
10°
7%
10 PM
9°
7%
11 PM
9°
7%
12 AM
8°
7%
1 AM
8°
7%
2 AM
7°
7%
3 AM
7°
3%
4 AM
7°
3%
5 AM
5°
3%
6 AM
6°
3%
7 AM
6°
3%
8 AM
8°
3%
9 AM
10°
3%
10 AM
11°
3%
11 AM
12°
3%
12 PM
12°
3%
7-Day Forecast
Today
12° 5°
Rain, 50% chance.
Mon
17° 5°
Partly Cloudy.
Tue
18° 7°
Mostly Cloudy.
Wed
23° 8°
Clear.
Thu
27° 9°
Clear.
Fri
26° 9°
Clear.
Sat
26° 9°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 12° Overcast 42% 4 mph WSW 81%
2 PM 10° Rain 57% 3 mph WNW 80%
3 PM 10° Rain 56% 4 mph WNW 81%
4 PM 10° Rain 50% 4 mph WNW 81%
5 PM 12° Rain 43% 4 mph WNW 81%
6 PM 11° Rain 42% 4 mph WNW 82%
7 PM 11° Mostly Cloudy 12% 4 mph WNW 83%
8 PM 11° Partly Cloudy 12% 5 mph NW 83%
9 PM 10° Mostly Clear 7% 5 mph NW 83%
10 PM 9° Clear 7% 5 mph NW 83%
11 PM 9° Clear 7% 6 mph NW 82%
12 AM 8° Clear 7% 6 mph NW 82%
1 AM 8° Clear 7% 7 mph NW 82%
2 AM 7° Clear 7% 7 mph NW 82%
3 AM 7° Clear 3% 7 mph NW 81%
4 AM 7° Clear 3% 7 mph NW 81%
5 AM 5° Clear 3% 7 mph NW 80%
6 AM 6° Clear 3% 7 mph NW 79%
7 AM 6° Clear 3% 7 mph NW 78%
8 AM 8° Clear 3% 7 mph NW 74%
9 AM 10° Clear 3% 7 mph NW 70%
10 AM 11° Clear 3% 8 mph NW 65%
11 AM 12° Mostly Clear 3% 8 mph NW 62%
12 PM 12° Partly Cloudy 3% 7 mph NW 59%
15-Day Forecast
Today
9/13
Rain
50%
5°
12°
Mon
9/14
Partly Cloudy
7%
5°
17°
Tue
9/15
Mostly Cloudy
14%
7°
18°
Wed
9/16
Clear
3%
8°
23°
Thu
9/17
Clear
3%
9°
27°
Fri
9/18
Clear
3%
9°
26°
Sat
9/19
Clear
3%
9°
26°
Sun
9/20
Clear
3%
8°
27°
Mon
9/21
Clear
3%
8°
25°
Tue
9/22
Clear
25%
8°
24°
Wed
9/23
Clear
25%
7°
21°
Thu
9/24
Clear
25%
6°
20°
Fri
9/25
Drizzle
60%
6°
20°
Sat
9/26
Clear
25%
6°
21°
Sun
9/27
Clear
25%
6°
21°
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
20 AQI 3.6 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 31 Good 31 20
Tue 26 Good 26 14
Wed 28 Good 28 23
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 Sun Sep 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE30 J/kg
MLCAPE10 J/kg
MUCAPE0 J/kg
SBCIN-0 J/kg
MLCIN0 J/kg
Lifted Index3.8
Kinematics
0–6 km Shear39 kt
0–1 km Shear16 kt
Eff. Shear—
0–1 km SRH95
0–3 km SRH157
Eff. SRH—
Storm Motion60° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index25.0
Thermo & Levels
PWAT0.81 in
0–3 km LR6.0 °C/km
700–500 LR5.8 °C/km
Total Totals43.5
LCL906 hPa
LFC888 hPa
EL731 hPa
Freezing Lvl5,486 ft