Beach Hazards Statement — Northern Cayuga, NY, Oswego, NY, Jefferson, NY 5:00 AM

Jefferson County, New York, United States

Last updated: 8:32 PM CDT  ·  Refresh
16°C
Feels like 16°
Thunderstorm
▲ 20°  /  ▼ 13°
Wind
7 mph SSW
Humidity
96%
Dew Point
16°
Pressure
29.47 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
79%
Sunrise
6:18 AM
Sunset
7:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently thunderstorm at 16°C. Precipitation is likely — peak probability 88% around 9 PM. Sunrise: 6:18AM · Sunset: 7:53PM.

Alerts

Beach Hazards Statement
Northern Cayuga, NY, Oswego, NY, Jefferson, NY
Expires 5:00 AM
21 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
16°
87%
10 PM
17°
82%
11 PM
17°
64%
12 AM
17°
47%
1 AM
16°
38%
2 AM
15°
24%
3 AM
15°
20%
4 AM
14°
15%
5 AM
13°
30%
6 AM
13°
35%
7 AM
14°
37%
8 AM
15°
48%
9 AM
17°
50%
10 AM
18°
46%
11 AM
18°
57%
12 PM
19°
47%
1 PM
20°
47%
2 PM
21°
47%
3 PM
21°
48%
4 PM
21°
45%
5 PM
21°
45%
6 PM
20°
40%
7 PM
19°
34%
8 PM
19°
34%
7-Day Forecast
Tonight
20° 13°
Thunderstorm, 87% chance.
Tue
22° 13°
Partly Cloudy with a 50% chance of rain.
Wed
26° 14°
Partly Cloudy.
Thu
27° 18°
Partly Cloudy with a 61% chance of rain.
Fri
24° 11°
Partly Cloudy with a 42% chance of rain.
Sat
22° 10°
Mostly Clear with a 38% chance of rain.
Sun
26° 13°
Partly Cloudy with a 37% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 16° Thunderstorm 87% 7 mph SSW 96%
10 PM 17° Rain 82% 6 mph SW 95%
11 PM 17° Mostly Cloudy 64% 6 mph WSW 95%
12 AM 17° Partly Cloudy 47% 6 mph WSW 95%
1 AM 16° Partly Cloudy 38% 6 mph WSW 95%
2 AM 15° Partly Cloudy 24% 5 mph WSW 95%
3 AM 15° Partly Cloudy 20% 4 mph WSW 95%
4 AM 14° Partly Cloudy 15% 4 mph WSW 96%
5 AM 13° Partly Cloudy 30% 4 mph WSW 95%
6 AM 13° Partly Cloudy 35% 4 mph W 95%
7 AM 14° Partly Cloudy 37% 4 mph W 95%
8 AM 15° Partly Cloudy 48% 5 mph WNW 92%
9 AM 17° Partly Cloudy 50% 6 mph WNW 88%
10 AM 18° Partly Cloudy 46% 7 mph WNW 83%
11 AM 18° Mostly Cloudy 57% 8 mph WNW 79%
12 PM 19° Mostly Cloudy 47% 8 mph WNW 77%
1 PM 20° Mostly Cloudy 47% 8 mph WNW 76%
2 PM 21° Mostly Cloudy 47% 8 mph WNW 74%
3 PM 21° Mostly Cloudy 48% 7 mph W 73%
4 PM 21° Partly Cloudy 45% 7 mph W 73%
5 PM 21° Partly Cloudy 45% 6 mph W 74%
6 PM 20° Partly Cloudy 40% 6 mph W 78%
7 PM 19° Partly Cloudy 34% 6 mph WSW 82%
8 PM 19° Partly Cloudy 34% 6 mph WSW 84%
15-Day Forecast
Today
8/24
Thunderstorm
87%
13°
20°
Tue
8/25
Partly Cloudy
50%
13°
22°
Wed
8/26
Partly Cloudy
9%
14°
26°
Thu
8/27
Partly Cloudy
61%
18°
27°
Fri
8/28
Partly Cloudy
42%
11°
24°
Sat
8/29
Mostly Clear
38%
10°
22°
Sun
8/30
Partly Cloudy
37%
13°
26°
Mon
8/31
Drizzle
59%
13°
24°
Tue
9/1
Drizzle
47%
12°
23°
Wed
9/2
Drizzle
47%
13°
23°
Thu
9/3
Drizzle
60%
12°
23°
Fri
9/4
Drizzle
60%
13°
24°
Sat
9/5
Drizzle
60%
13°
25°
Sun
9/6
Drizzle
60%
14°
26°
Mon
9/7
Drizzle
60%
15°
26°
21
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
11 AQI 2.1 µg/m³
O3
Ground-level ozone
Dominant
21 AQI 23 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 21 Good 21 11
Wed 20 Good 20 19
Thu 32 Good 25 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 Mon Aug 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
SBCAPE117 J/kg
MLCAPE207 J/kg
MUCAPE266 J/kg
SBCIN-18 J/kg
MLCIN-2 J/kg
Lifted Index-0.4
Kinematics
0–6 km Shear18 kt
0–1 km Shear15 kt
Eff. Shear18 kt
0–1 km SRH73
0–3 km SRH124
Eff. SRH124
Storm Motion314° @ 14 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.4
Thermo & Levels
PWAT1.37 in
0–3 km LR5.6 °C/km
700–500 LR6.1 °C/km
Total Totals50.8
LCL988 hPa
LFC841 hPa
EL455 hPa
Freezing Lvl9,573 ft