Flash Flood Watch 6:00 PM

Spokane County, Washington, United States

Last updated: 4:55 PM CDT  ·  Refresh
12°C
Feels like 8°
Mostly Cloudy
▲ 14°  /  ▼ 7°
Wind
13 mph SW
Humidity
66%
Dew Point
Pressure
27.51 inHg
Visibility
10 mi
UV Index
5.3
Cloud Cover
70%
Sunrise
6:23 AM
Sunset
7:05 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Spokane County is currently mostly cloudy at 12°C. Precipitation is likely — peak probability 53% around 5 PM. Sunrise: 6:23AM · Sunset: 7:05PM.

35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
12°
27%
3 PM
12°
39%
4 PM
14°
35%
5 PM
13°
52%
6 PM
12°
21%
7 PM
11°
21%
8 PM
11°
14%
9 PM
11°
17%
10 PM
10°
23%
11 PM
10°
23%
12 AM
24%
1 AM
13%
2 AM
8%
3 AM
8%
4 AM
4%
5 AM
4%
6 AM
4%
7 AM
5%
8 AM
5%
9 AM
10°
5%
10 AM
11°
3%
11 AM
11°
3%
12 PM
13°
3%
1 PM
14°
3%
7-Day Forecast
Today
14°
Mostly Cloudy with a 52% chance of rain.
Mon
17°
Partly Cloudy.
Tue
18°
Overcast.
Wed
23°
Clear.
Thu
26°
Partly Cloudy.
Fri
26° 11°
Partly Cloudy.
Sat
26° 11°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 12° Mostly Cloudy 27% 13 mph SW 66%
3 PM 12° Mostly Cloudy 39% 12 mph SW 68%
4 PM 14° Overcast 35% 12 mph SW 69%
5 PM 13° Overcast 52% 11 mph SW 74%
6 PM 12° Mostly Cloudy 21% 8 mph SW 75%
7 PM 11° Mostly Cloudy 21% 7 mph SW 78%
8 PM 11° Overcast 14% 7 mph SW 79%
9 PM 11° Overcast 17% 8 mph SW 81%
10 PM 10° Overcast 23% 8 mph SW 83%
11 PM 10° Overcast 23% 8 mph SW 86%
12 AM Overcast 24% 8 mph SW 88%
1 AM Overcast 13% 8 mph SW 90%
2 AM Mostly Cloudy 8% 9 mph SW 91%
3 AM Mostly Cloudy 8% 9 mph SW 92%
4 AM Mostly Cloudy 4% 8 mph SW 93%
5 AM Mostly Cloudy 4% 9 mph SW 92%
6 AM Mostly Cloudy 4% 9 mph SW 91%
7 AM Haze 5% 9 mph SW 89%
8 AM Mostly Cloudy 5% 9 mph SW 86%
9 AM 10° Mostly Cloudy 5% 9 mph SW 83%
10 AM 11° Mostly Cloudy 3% 9 mph SW 80%
11 AM 11° Partly Cloudy 3% 9 mph SW 74%
12 PM 13° Partly Cloudy 3% 9 mph SW 69%
1 PM 14° Partly Cloudy 3% 8 mph SW 63%
15-Day Forecast
Today
9/13
Mostly Cloudy
52%
14°
Mon
9/14
Partly Cloudy
8%
17°
Tue
9/15
Overcast
3%
18°
Wed
9/16
Clear
3%
23°
Thu
9/17
Partly Cloudy
8%
26°
Fri
9/18
Partly Cloudy
8%
11°
26°
Sat
9/19
Partly Cloudy
3%
11°
26°
Sun
9/20
Clear
8%
11°
26°
Mon
9/21
Clear
3%
10°
25°
Tue
9/22
Mostly Cloudy
21%
11°
24°
Wed
9/23
Mostly Cloudy
25%
10°
22°
Thu
9/24
Clear
25%
21°
Fri
9/25
Clear
25%
21°
Sat
9/26
Clear
60%
21°
Sun
9/27
Clear
25%
22°
35
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
18 AQI 3.3 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 35 Good 35 18
Tue 31 Good 31 26
Wed 33 Good 30 33
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, 20:00'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
SBCAPE205 J/kg
MLCAPE37 J/kg
MUCAPE733 J/kg
SBCIN-1 J/kg
MLCIN-6 J/kg
Lifted Index-0.7
Kinematics
0–6 km Shear4 kt
0–1 km Shear10 kt
Eff. Shear12 kt
0–1 km SRH-46
0–3 km SRH-30
Eff. SRH-30
Storm Motion197° @ 22 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.9
Thermo & Levels
PWAT0.65 in
0–3 km LR7.0 °C/km
700–500 LR6.7 °C/km
Total Totals51.6
LCL858 hPa
LFC918 hPa
EL400 hPa
Freezing Lvl4,990 ft