Siskiyou County, California, United States

Last updated: 7:02 PM CDT  ·  Refresh
26°C
Feels like 23°
Clear
▲ 26°  /  ▼ 6°
Wind
2 mph NNE
Humidity
15%
Dew Point
-1°
Pressure
27.28 inHg
Visibility
10 mi
UV Index
4.1
Cloud Cover
0%
Sunrise
7:21 AM
Sunset
6:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Siskiyou County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:21AM · Sunset: 6:28PM.

Alerts

No active alerts for this location.
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
6 PM
26°
3%
7 PM
23°
3%
8 PM
21°
3%
9 PM
19°
3%
10 PM
15°
3%
11 PM
14°
3%
12 AM
13°
3%
1 AM
12°
3%
2 AM
11°
3%
3 AM
10°
3%
4 AM
9°
3%
5 AM
8°
3%
6 AM
6°
3%
7 AM
6°
3%
8 AM
6°
3%
9 AM
8°
3%
10 AM
10°
3%
11 AM
13°
3%
12 PM
18°
3%
1 PM
20°
3%
2 PM
23°
3%
3 PM
23°
3%
4 PM
26°
3%
7-Day Forecast
Today
26° 6°
Clear.
Fri
27° 6°
Clear.
Sat
22° 6°
Partly Cloudy.
Sun
23° 4°
Mostly Clear.
Mon
16° 3°
Mostly Cloudy.
Tue
14° 1°
Partly Cloudy.
Wed
19° 1°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 2 mph NNE 15%
6 PM 26° Clear 3% 2 mph NNW 20%
7 PM 23° Clear 3% 3 mph NW 24%
8 PM 21° Clear 3% 2 mph NW 29%
9 PM 19° Clear 3% 3 mph NW 30%
10 PM 15° Clear 3% 3 mph NNW 32%
11 PM 14° Clear 3% 4 mph NNW 33%
12 AM 13° Clear 3% 4 mph NNW 35%
1 AM 12° Clear 3% 4 mph NNW 36%
2 AM 11° Clear 3% 4 mph NNW 37%
3 AM 10° Clear 3% 4 mph NNW 39%
4 AM 9° Clear 3% 3 mph NNW 40%
5 AM 8° Clear 3% 3 mph NNW 41%
6 AM 6° Clear 3% 3 mph NNW 40%
7 AM 6° Clear 3% 3 mph NNW 40%
8 AM 6° Clear 3% 3 mph NNW 39%
9 AM 8° Clear 3% 3 mph NNW 34%
10 AM 10° Clear 3% 3 mph NNW 27%
11 AM 13° Clear 3% 3 mph N 21%
12 PM 18° Clear 3% 2 mph N 18%
1 PM 20° Clear 3% 2 mph N 15%
2 PM 23° Clear 3% 2 mph N 13%
3 PM 23° Mostly Clear 3% 2 mph NNW 13%
4 PM 26° Mostly Clear 3% 2 mph NNW 13%
15-Day Forecast
Today
10/15
Clear
3%
6°
26°
Fri
10/16
Clear
3%
6°
27°
Sat
10/17
Partly Cloudy
3%
6°
22°
Sun
10/18
Mostly Clear
3%
4°
23°
Mon
10/19
Mostly Cloudy
15%
3°
16°
Tue
10/20
Partly Cloudy
15%
1°
14°
Wed
10/21
Partly Cloudy
17%
1°
19°
Thu
10/22
Overcast
34%
1°
16°
Fri
10/23
Mostly Clear
27%
0°
15°
Sat
10/24
Clear
11%
0°
17°
Sun
10/25
Clear
11%
2°
16°
Mon
10/26
Clear
25%
2°
19°
Tue
10/27
Drizzle
60%
3°
18°
Wed
10/28
Clear
60%
3°
17°
Thu
10/29
Drizzle
60%
2°
14°
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 4.2 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 23
Sat 33 Good 33 30
Sun 32 Good 31 32
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 Thu Oct 15, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE6 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index10.0
Kinematics
0–6 km Shear4 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH71
0–3 km SRH102
Eff. SRH—
Storm Motion205° @ 21 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-16.8
Thermo & Levels
PWAT0.20 in
0–3 km LR6.6 °C/km
700–500 LR6.6 °C/km
Total Totals28.7
LCL620 hPa
LFC924 hPa
EL924 hPa
Freezing Lvl12,648 ft