Areal Flood Warning — Albany County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY 5:00 AM Areal Flood Warning — Fulton County, NY, Montgomery County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Warren County, NY, Washington County, NY 5:00 AM

Town of Halfmoon, New York

Last updated: 9:49 PM CDT  ·  Refresh
18°C
Feels like 19°
Rain
▲ 18°  /  ▼ 16°
Wind
3 mph NE
Humidity
96%
Dew Point
17°
Pressure
29.37 inHg
Visibility
1 mi
UV Index
0.0
Cloud Cover
92%
Sunrise
5:43 AM
Sunset
8:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Town of Halfmoon is currently rain at 18°C. Precipitation is likely — peak probability 69% around 10 PM. Atmospheric instability is elevated (CAPE up to 607 J/kg) — isolated convective development possible. Sunrise: 5:43AM · Sunset: 8:18PM.

35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
69%
11 PM
18°
68%
12 AM
18°
66%
1 AM
18°
62%
2 AM
18°
46%
3 AM
17°
47%
4 AM
17°
35%
5 AM
16°
31%
6 AM
16°
35%
7 AM
17°
32%
8 AM
17°
38%
9 AM
18°
56%
10 AM
18°
56%
11 AM
19°
50%
12 PM
19°
31%
1 PM
21°
26%
2 PM
21°
29%
3 PM
22°
37%
4 PM
22°
42%
5 PM
24°
28%
6 PM
23°
28%
7 PM
22°
22%
8 PM
22°
12%
9 PM
19°
12%
7-Day Forecast
Tonight
18° 16°
Rain, 69% chance.
Thu
24° 16°
Mostly Cloudy with a 62% chance of rain.
Fri
26° 16°
Mostly Clear with a 21% chance of rain.
Sat
28° 16°
Overcast with a 60% chance of rain.
Sun
24° 18°
Rain, 90% chance.
Mon
24° 14°
Clear with a 64% chance of rain.
Tue
28° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 18° Rain 69% 3 mph NE 96%
11 PM 18° Overcast 68% 4 mph NNE 96%
12 AM 18° Overcast 66% 5 mph N 96%
1 AM 18° Rain 62% 6 mph N 97%
2 AM 18° Mostly Cloudy 46% 6 mph N 98%
3 AM 17° Partly Cloudy 47% 6 mph N 98%
4 AM 17° Partly Cloudy 35% 6 mph N 98%
5 AM 16° Partly Cloudy 31% 6 mph N 97%
6 AM 16° Mostly Cloudy 35% 6 mph N 96%
7 AM 17° Mostly Cloudy 32% 7 mph N 95%
8 AM 17° Overcast 38% 8 mph N 94%
9 AM 18° Overcast 56% 8 mph N 92%
10 AM 18° Overcast 56% 8 mph N 90%
11 AM 19° Overcast 50% 8 mph N 89%
12 PM 19° Mostly Cloudy 31% 8 mph N 87%
1 PM 21° Mostly Cloudy 26% 7 mph NNW 85%
2 PM 21° Partly Cloudy 29% 6 mph NNW 82%
3 PM 22° Partly Cloudy 37% 6 mph NNW 79%
4 PM 22° Partly Cloudy 42% 6 mph NNW 76%
5 PM 24° Partly Cloudy 28% 5 mph NNW 80%
6 PM 23° Mostly Cloudy 28% 5 mph NW 85%
7 PM 22° Drizzle 22% 5 mph NW 90%
8 PM 22° Mostly Cloudy 12% 5 mph NW 92%
9 PM 19° Mostly Cloudy 12% 4 mph NW 92%
15-Day Forecast
Today
7/29
Rain
69%
16°
18°
Thu
7/30
Mostly Cloudy
62%
16°
24°
Fri
7/31
Mostly Clear
21%
16°
26°
Sat
8/1
Overcast
60%
16°
28°
Sun
8/2
Rain
90%
18°
24°
Mon
8/3
Clear
64%
14°
24°
Tue
8/4
Clear
8%
14°
28°
Wed
8/5
Clear
17%
17°
30°
Thu
8/6
Rain
68%
19°
31°
Fri
8/7
Rain
68%
19°
28°
Sat
8/8
Drizzle
60%
17°
29°
Sun
8/9
Drizzle
60%
16°
29°
Mon
8/10
Drizzle
60%
16°
26°
Tue
8/11
Drizzle
60%
15°
26°
Wed
8/12
Drizzle
60%
14°
26°
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
34 AQI 6.1 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 34
Fri 26 Good 26 23
Sat 46 Good 40 46
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Jul 30, 01:00'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
MLCAPE14 J/kg
MUCAPE0 J/kg
SBCIN-9225 J/kg
MLCIN0 J/kg
Lifted Index2.8
Kinematics
0–6 km Shear5 kt
0–1 km Shear13 kt
Eff. Shear
0–1 km SRH-14
0–3 km SRH18
Eff. SRH
Storm Motion51° @ 15 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)
Supercell
K-Index31.3
Thermo & Levels
PWAT1.65 in
0–3 km LR4.2 °C/km
700–500 LR5.8 °C/km
Total Totals43.5
LCL987 hPa
LFC
EL
Freezing Lvl12,936 ft