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

Chelan County, Washington, United States

Last updated: 4:50 PM CDT  ·  Refresh
50°F
Feels like 48°
Rain
▲ 50°  /  ▼ 39°
Wind
5 mph NW
Humidity
86%
Dew Point
46°
Pressure
27.09 inHg
Visibility
5 mi
UV Index
2.5
Cloud Cover
96%
Sunrise
6:35 AM
Sunset
7:18 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Chelan County is currently rain at 50°F. Precipitation is likely — peak probability 80% around 3 PM. Sunrise: 6:35AM · Sunset: 7:18PM.

Alerts

Flash Flood Watch
Expires 6:00 PM
Flood Watch
Expires 10:00 PM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
50°
64%
3 PM
46°
80%
4 PM
46°
77%
5 PM
49°
73%
6 PM
48°
60%
7 PM
48°
44%
8 PM
48°
38%
9 PM
47°
36%
10 PM
47°
32%
11 PM
47°
20%
12 AM
45°
29%
1 AM
44°
17%
2 AM
44°
17%
3 AM
43°
18%
4 AM
43°
18%
5 AM
39°
16%
6 AM
40°
16%
7 AM
40°
16%
8 AM
41°
16%
9 AM
48°
7%
10 AM
49°
7%
11 AM
50°
3%
12 PM
51°
3%
1 PM
53°
3%
7-Day Forecast
Today
50° 39°
Rain, 73% chance.
Mon
58° 39°
Partly Cloudy.
Tue
59° 44°
Mostly Cloudy with a 20% chance of rain.
Wed
71° 47°
Clear.
Thu
79° 47°
Clear.
Fri
77° 48°
Clear.
Sat
77° 47°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 50° Rain 64% 5 mph NW 86%
3 PM 46° Rain 80% 5 mph NW 88%
4 PM 46° Rain 77% 5 mph NNW 87%
5 PM 49° Rain 73% 6 mph NNW 87%
6 PM 48° Overcast 60% 6 mph NNW 87%
7 PM 48° Overcast 44% 6 mph NNW 88%
8 PM 48° Mostly Cloudy 38% 6 mph NNW 89%
9 PM 47° Mostly Cloudy 36% 7 mph NNW 90%
10 PM 47° Mostly Cloudy 32% 8 mph NNW 90%
11 PM 47° Partly Cloudy 20% 8 mph NNW 91%
12 AM 45° Partly Cloudy 29% 8 mph NNW 92%
1 AM 44° Partly Cloudy 17% 9 mph NNW 92%
2 AM 44° Partly Cloudy 17% 9 mph NNW 92%
3 AM 43° Partly Cloudy 18% 8 mph NNW 92%
4 AM 43° Mostly Clear 18% 8 mph NNW 91%
5 AM 39° Mostly Clear 16% 8 mph NNW 90%
6 AM 40° Mostly Clear 16% 8 mph NNW 88%
7 AM 40° Mostly Clear 16% 8 mph NNW 87%
8 AM 41° Partly Cloudy 16% 8 mph NNW 84%
9 AM 48° Partly Cloudy 7% 8 mph NW 80%
10 AM 49° Partly Cloudy 7% 8 mph NW 77%
11 AM 50° Partly Cloudy 3% 8 mph NW 74%
12 PM 51° Partly Cloudy 3% 8 mph NW 71%
1 PM 53° Partly Cloudy 3% 8 mph NW 68%
15-Day Forecast
Today
9/13
Rain
73%
39°
50°
Mon
9/14
Partly Cloudy
17%
39°
58°
Tue
9/15
Mostly Cloudy
20%
44°
59°
Wed
9/16
Clear
3%
47°
71°
Thu
9/17
Clear
3%
47°
79°
Fri
9/18
Clear
3%
48°
77°
Sat
9/19
Mostly Clear
3%
47°
77°
Sun
9/20
Clear
8%
46°
75°
Mon
9/21
Partly Cloudy
3%
45°
74°
Tue
9/22
Drizzle
45%
44°
73°
Wed
9/23
Overcast
33%
42°
66°
Thu
9/24
Clear
25%
40°
64°
Fri
9/25
Drizzle
60%
40°
65°
Sat
9/26
Drizzle
60%
41°
65°
Sun
9/27
Drizzle
60%
41°
65°
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
23 AQI 4.3 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 31 Good 31 23
Tue 25 Good 25 14
Wed 27 Good 27 21
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 Sep 13, 20:00'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
SBCAPE0 J/kg
MLCAPE9 J/kg
MUCAPE31 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index4.4
Kinematics
0–6 km Shear35 kt
0–1 km Shear19 kt
Eff. Shear—
0–1 km SRH87
0–3 km SRH189
Eff. SRH—
Storm Motion34° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index26.3
Thermo & Levels
PWAT0.78 in
0–3 km LR5.3 °C/km
700–500 LR5.6 °C/km
Total Totals45.5
LCL890 hPa
LFC—
EL—
Freezing Lvl5,627 ft