Areal Flood Warning — Columbia County, NY, Greene County, NY, Ulster County, NY 6:30 PM Areal Flood Watch 7:00 PM Flood Warning — Ulster County, NY 10:19 PM Flood Warning — Ulster County, NY 10:53 PM

Ulster County, New York, United States

Last updated: 6:24 PM CDT  ·  Refresh
20°C
Feels like 22°
Mostly Cloudy
▲ 23°  /  ▼ 16°
Wind
3 mph NNW
Humidity
87%
Dew Point
17°
Pressure
28.67 inHg
Visibility
8 mi
UV Index
2.0
Cloud Cover
61%
Sunrise
5:47 AM
Sunset
8:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ulster County is currently mostly cloudy at 20°C. Precipitation is likely — peak probability 70% around 9 AM. Sunrise: 5:47AM · Sunset: 8:18PM.

Alerts

Areal Flood Warning
Columbia County, NY, Greene County, NY, Ulster County, NY
Expires 6:30 PM
Areal Flood Watch
Expires 7:00 PM
Flood Warning
Ulster County, NY
Expires 10:19 PM
Flood Warning
Ulster County, NY
Expires 10:53 PM
37 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
40%
8 PM
20°
42%
9 PM
18°
49%
10 PM
17°
45%
11 PM
17°
47%
12 AM
17°
51%
1 AM
17°
60%
2 AM
17°
55%
3 AM
17°
55%
4 AM
17°
51%
5 AM
16°
54%
6 AM
16°
57%
7 AM
16°
58%
8 AM
17°
61%
9 AM
18°
69%
10 AM
18°
60%
11 AM
19°
40%
12 PM
19°
47%
1 PM
22°
45%
2 PM
22°
45%
3 PM
22°
48%
4 PM
22°
49%
5 PM
23°
30%
6 PM
23°
30%
7-Day Forecast
Tonight
23° 16°
Mostly Cloudy with a 45% chance of rain.
Thu
23° 16°
Mostly Cloudy with a 60% chance of rain.
Fri
28° 15°
Partly Cloudy with a 63% chance of rain.
Sat
30° 17°
Mostly Cloudy with a 53% chance of rain.
Sun
26° 17°
Rain, 90% chance.
Mon
27° 14°
Drizzle, 67% chance.
Tue
30° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 20° Mostly Cloudy 40% 3 mph NNW 87%
8 PM 20° Partly Cloudy 42% 2 mph NNW 88%
9 PM 18° Mostly Cloudy 49% 2 mph NNW 89%
10 PM 17° Mostly Cloudy 45% 3 mph NW 90%
11 PM 17° Overcast 47% 3 mph NW 91%
12 AM 17° Overcast 51% 2 mph NW 93%
1 AM 17° Mostly Cloudy 60% 3 mph NNW 95%
2 AM 17° Mostly Cloudy 55% 3 mph N 96%
3 AM 17° Mostly Cloudy 55% 4 mph N 97%
4 AM 17° Overcast 51% 5 mph N 97%
5 AM 16° Overcast 54% 5 mph N 97%
6 AM 16° Overcast 57% 6 mph N 96%
7 AM 16° Overcast 58% 6 mph N 96%
8 AM 17° Overcast 61% 7 mph N 94%
9 AM 18° Overcast 69% 7 mph N 92%
10 AM 18° Mostly Cloudy 60% 7 mph N 89%
11 AM 19° Mostly Cloudy 40% 7 mph N 86%
12 PM 19° Mostly Cloudy 47% 7 mph N 84%
1 PM 22° Mostly Cloudy 45% 7 mph N 82%
2 PM 22° Mostly Cloudy 45% 7 mph N 80%
3 PM 22° Mostly Cloudy 48% 7 mph N 77%
4 PM 22° Mostly Cloudy 49% 7 mph N 75%
5 PM 23° Partly Cloudy 30% 6 mph N 75%
6 PM 23° Partly Cloudy 30% 5 mph N 78%
15-Day Forecast
Today
7/29
Mostly Cloudy
45%
16°
23°
Thu
7/30
Mostly Cloudy
60%
16°
23°
Fri
7/31
Partly Cloudy
63%
15°
28°
Sat
8/1
Mostly Cloudy
53%
17°
30°
Sun
8/2
Rain
90%
17°
26°
Mon
8/3
Drizzle
67%
14°
27°
Tue
8/4
Clear
15%
14°
30°
Wed
8/5
Partly Cloudy
16%
16°
32°
Thu
8/6
Rain
66%
18°
31°
Fri
8/7
Rain
66%
19°
32°
Sat
8/8
Drizzle
56%
18°
31°
Sun
8/9
Drizzle
60%
17°
31°
Mon
8/10
Drizzle
60%
15°
29°
Tue
8/11
Drizzle
60%
14°
28°
Wed
8/12
Drizzle
60%
14°
27°
37
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
21 AQI 3.8 µg/m³
O3
Ground-level ozone
Dominant
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 37 Good 37 21
Fri 23 Good 23 13
Sat 30 Good 30 18
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 Jul 29, 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
SBCAPE208 J/kg
MLCAPE13 J/kg
MUCAPE208 J/kg
SBCIN-0 J/kg
MLCIN0 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear10 kt
0–1 km Shear14 kt
Eff. Shear17 kt
0–1 km SRH-64
0–3 km SRH-116
Eff. SRH-116
Storm Motion216° @ 17 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.5
Thermo & Levels
PWAT1.43 in
0–3 km LR5.4 °C/km
700–500 LR6.0 °C/km
Total Totals43.7
LCL934 hPa
LFC932 hPa
EL349 hPa
Freezing Lvl11,870 ft