South Washington Cascade Foothills, WA

Last updated: 7:21 PM CDT  ·  Refresh
31°C
Feels like 37°
Partly Cloudy
▲ 33°  /  ▼ 24°
Wind
3 mph NW
Humidity
73%
Dew Point
24°
Pressure
29.96 inHg
Visibility
10 mi
UV Index
2.3
Cloud Cover
56%
Sunrise
6:03 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: South Washington Cascade Foothills is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2992 J/kg) — isolated convective development possible. Sunrise: 6:03AM · Sunset: 8:10PM.

Alerts

No active alerts for this location.
62 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
13%
8 PM
30°
17%
9 PM
28°
16%
10 PM
27°
29%
11 PM
27°
16%
12 AM
26°
16%
1 AM
24°
20%
2 AM
24°
20%
3 AM
24°
24%
4 AM
24°
14%
5 AM
24°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
28°
13%
11 AM
29°
17%
12 PM
31°
11%
1 PM
33°
11%
2 PM
32°
11%
3 PM
32°
11%
4 PM
32°
9%
5 PM
33°
3%
6 PM
32°
3%
7-Day Forecast
Tonight
33° 24°
Partly Cloudy with a 29% chance of rain.
Thu
34° 23°
Partly Cloudy with a 20% chance of rain.
Fri
34° 22°
Partly Cloudy.
Sat
34° 23°
Partly Cloudy with a 28% chance of rain.
Sun
35° 23°
Mostly Cloudy.
Mon
35° 23°
Thunderstorm, 69% chance.
Tue
35° 23°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 13% 3 mph NW 73%
8 PM 30° Mostly Cloudy 17% 2 mph ENE 78%
9 PM 28° Partly Cloudy 16% 3 mph SE 80%
10 PM 27° Partly Cloudy 29% 5 mph SE 82%
11 PM 27° Partly Cloudy 16% 4 mph SE 85%
12 AM 26° Mostly Clear 16% 4 mph SSE 88%
1 AM 24° Mostly Clear 20% 4 mph SSE 90%
2 AM 24° Mostly Clear 20% 3 mph S 92%
3 AM 24° Mostly Clear 24% 4 mph SSW 93%
4 AM 24° Mostly Clear 14% 3 mph SW 94%
5 AM 24° Mostly Clear 3% 2 mph SW 93%
6 AM 24° Mostly Clear 3% 3 mph SW 92%
7 AM 24° Partly Cloudy 3% 4 mph SSW 90%
8 AM 26° Partly Cloudy 3% 3 mph WSW 87%
9 AM 27° Mostly Cloudy 3% 3 mph SW 82%
10 AM 28° Partly Cloudy 13% 5 mph SW 78%
11 AM 29° Partly Cloudy 17% 5 mph SW 71%
12 PM 31° Partly Cloudy 11% 4 mph WSW 64%
1 PM 33° Mostly Clear 11% 5 mph WSW 59%
2 PM 32° Mostly Clear 11% 5 mph WSW 56%
3 PM 32° Mostly Clear 11% 6 mph WSW 53%
4 PM 32° Mostly Clear 9% 6 mph WSW 52%
5 PM 33° Partly Cloudy 3% 6 mph WSW 56%
6 PM 32° Partly Cloudy 3% 6 mph SW 60%
15-Day Forecast
Today
6/24
Partly Cloudy
29%
24°
33°
Thu
6/25
Partly Cloudy
20%
23°
34°
Fri
6/26
Partly Cloudy
12%
22°
34°
Sat
6/27
Partly Cloudy
28%
23°
34°
Sun
6/28
Mostly Cloudy
11%
23°
35°
Mon
6/29
Thunderstorm
69%
23°
35°
Tue
6/30
Rain
63%
23°
35°
Wed
7/1
Rain
71%
23°
34°
Thu
7/2
Drizzle
51%
22°
34°
Fri
7/3
Drizzle
51%
23°
34°
Sat
7/4
Drizzle
51%
23°
37°
Sun
7/5
Thunderstorm
60%
23°
37°
Mon
7/6
Thunderstorm
60%
23°
37°
Tue
7/7
Thunderstorm
60%
23°
37°
Wed
7/8
Thunderstorm
60%
23°
37°
62
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
62 AQI 14.8 µg/m³
O3
Ground-level ozone
20 AQI 23 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 62 Moderate 20 62
Fri 58 Moderate 19 58
Sat 55 Moderate 18 55
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 Wed Jun 24, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3435 J/kg
MLCAPE2497 J/kg
MUCAPE3435 J/kg
SBCIN-38 J/kg
MLCIN0 J/kg
Lifted Index-8.1
Kinematics
0–6 km Shear21 kt
0–1 km Shear5 kt
Eff. Shear11 kt
0–1 km SRH7
0–3 km SRH-30
Eff. SRH-30
Storm Motion269° @ 25 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index29.2
Thermo & Levels
PWAT1.99 in
0–3 km LR6.9 °C/km
700–500 LR6.1 °C/km
Total Totals48.2
LCL925 hPa
LFC887 hPa
EL148 hPa
Freezing Lvl14,790 ft