Areal Flood Warning — Windham County, VT 6:45 PM Areal Flood Watch 7:00 PM

Brattleboro, Vermont

Last updated: 5:19 PM CDT  ·  Refresh
18°C
Feels like 19°
Rain
▲ 20°  /  ▼ 16°
Wind
8 mph E
Humidity
98%
Dew Point
18°
Pressure
28.90 inHg
Visibility
0 mi
UV Index
1.5
Cloud Cover
96%
Sunrise
5:38 AM
Sunset
8:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Brattleboro is currently rain at 18°C. Precipitation is likely — peak probability 90% around 6 PM. Atmospheric instability is elevated (CAPE up to 548 J/kg) — isolated convective development possible. Sunrise: 5:38AM · Sunset: 8:14PM.

Alerts

Areal Flood Warning
Windham County, VT
Expires 6:45 PM
Areal Flood Watch
Expires 7:00 PM
26 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
90%
7 PM
20°
83%
8 PM
20°
84%
9 PM
18°
90%
10 PM
18°
90%
11 PM
18°
90%
12 AM
18°
90%
1 AM
17°
90%
2 AM
17°
90%
3 AM
17°
90%
4 AM
17°
90%
5 AM
16°
90%
6 AM
16°
87%
7 AM
16°
68%
8 AM
16°
67%
9 AM
17°
72%
10 AM
17°
48%
11 AM
18°
51%
12 PM
18°
51%
1 PM
21°
51%
2 PM
21°
46%
3 PM
21°
46%
4 PM
21°
46%
5 PM
23°
44%
7-Day Forecast
Tonight
20° 16°
Rain, 90% chance.
Thu
23° 16°
Rain, 90% chance.
Fri
27° 15°
Partly Cloudy with a 65% chance of rain.
Sat
29° 17°
Mostly Cloudy with a 61% chance of rain.
Sun
27° 17°
Drizzle, 71% chance.
Mon
27° 15°
Drizzle, 82% chance.
Tue
29° 15°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 18° Rain 90% 8 mph E 98%
7 PM 20° Heavy Rain 83% 9 mph E 97%
8 PM 20° Heavy Rain 84% 8 mph E 97%
9 PM 18° Overcast 90% 6 mph ENE 98%
10 PM 18° Heavy Rain 90% 5 mph ENE 98%
11 PM 18° Overcast 90% 5 mph NE 98%
12 AM 18° Overcast 90% 5 mph NNE 97%
1 AM 17° Heavy Rain 90% 5 mph N 97%
2 AM 17° Overcast 90% 6 mph N 98%
3 AM 17° Rain 90% 6 mph N 98%
4 AM 17° Rain 90% 7 mph N 97%
5 AM 16° Overcast 90% 6 mph N 97%
6 AM 16° Rain 87% 7 mph N 97%
7 AM 16° Rain 68% 7 mph N 96%
8 AM 16° Overcast 67% 8 mph N 96%
9 AM 17° Overcast 72% 8 mph N 93%
10 AM 17° Overcast 48% 8 mph N 89%
11 AM 18° Overcast 51% 8 mph N 87%
12 PM 18° Overcast 51% 8 mph N 85%
1 PM 21° Overcast 51% 8 mph N 83%
2 PM 21° Overcast 46% 8 mph N 81%
3 PM 21° Mostly Cloudy 46% 7 mph N 80%
4 PM 21° Mostly Cloudy 46% 7 mph NNW 80%
5 PM 23° Mostly Cloudy 44% 7 mph NNW 80%
15-Day Forecast
Today
7/29
Rain
90%
16°
20°
Thu
7/30
Rain
90%
16°
23°
Fri
7/31
Partly Cloudy
65%
15°
27°
Sat
8/1
Mostly Cloudy
61%
17°
29°
Sun
8/2
Drizzle
71%
17°
27°
Mon
8/3
Drizzle
82%
15°
27°
Tue
8/4
Clear
17%
15°
29°
Wed
8/5
Overcast
17%
16°
31°
Thu
8/6
Drizzle
43%
17°
31°
Fri
8/7
Drizzle
60%
18°
30°
Sat
8/8
Drizzle
60%
17°
29°
Sun
8/9
Drizzle
60%
16°
29°
Mon
8/10
Drizzle
60%
14°
28°
Tue
8/11
Drizzle
60%
14°
27°
Wed
8/12
Drizzle
60%
13°
26°
26
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 3.2 µg/m³
O3
Ground-level ozone
Dominant
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 26 Good 26 18
Fri 23 Good 23 14
Sat 37 Good 32 37
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, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE34 J/kg
MLCAPE87 J/kg
MUCAPE116 J/kg
SBCIN-26 J/kg
MLCIN0 J/kg
Lifted Index0.5
Kinematics
0–6 km Shear22 kt
0–1 km Shear25 kt
Eff. Shear13 kt
0–1 km SRH2
0–3 km SRH12
Eff. SRH17
Storm Motion124° @ 34 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.1
Thermo & Levels
PWAT1.75 in
0–3 km LR5.0 °C/km
700–500 LR5.4 °C/km
Total Totals46.3
LCL970 hPa
LFC759 hPa
EL544 hPa
Freezing Lvl11,841 ft