Flood Watch 7:00 PM

Williams County, Ohio, United States

Last updated: 6:10 AM CDT  ·  Refresh
21°C
Feels like 23°
Overcast
▲ 27°  /  ▼ 18°
Wind
6 mph WSW
Humidity
96%
Dew Point
20°
Pressure
29.11 inHg
Visibility
7 mi
UV Index
0.8
Cloud Cover
89%
Sunrise
6:43 AM
Sunset
8:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Williams County is currently overcast at 21°C. Precipitation is likely — peak probability 88% around 3 PM. Atmospheric instability is elevated (CAPE up to 2368 J/kg) — isolated convective development possible. Sunrise: 6:43AM · Sunset: 8:43PM.

Alerts

Flood Watch
Expires 7:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
42%
8 AM
21°
62%
9 AM
21°
65%
10 AM
22°
53%
11 AM
23°
62%
12 PM
23°
75%
1 PM
23°
74%
2 PM
24°
77%
3 PM
24°
87%
4 PM
24°
78%
5 PM
23°
67%
6 PM
24°
67%
7 PM
23°
60%
8 PM
23°
46%
9 PM
23°
47%
10 PM
21°
38%
11 PM
21°
38%
12 AM
21°
42%
1 AM
21°
43%
2 AM
20°
31%
3 AM
20°
34%
4 AM
19°
29%
5 AM
19°
27%
6 AM
18°
30%
7-Day Forecast
Today
27° 18°
Heavy Rain, 78% chance.
Wed
28° 18°
Mostly Cloudy with a 63% chance of rain.
Thu
29° 18°
Rain, 64% chance.
Fri
26° 15°
Fog with a 66% chance of rain.
Sat
25° 14°
Rain, 60% chance.
Sun
29° 17°
Rain, 78% chance.
Mon
26° 16°
Rain, 56% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Overcast 42% 6 mph WSW 96%
8 AM 21° Overcast 62% 4 mph SW 95%
9 AM 21° Overcast 65% 4 mph SSW 94%
10 AM 22° Overcast 53% 3 mph SW 92%
11 AM 23° Overcast 62% 4 mph SSW 90%
12 PM 23° Overcast 75% 4 mph SSW 90%
1 PM 23° Overcast 74% 5 mph SW 88%
2 PM 24° Overcast 77% 7 mph SW 88%
3 PM 24° Heavy Rain 87% 6 mph WSW 89%
4 PM 24° Heavy Rain 78% 5 mph SW 90%
5 PM 23° Heavy Rain 67% 6 mph SW 90%
6 PM 24° Rain 67% 6 mph WSW 91%
7 PM 23° Rain 60% 6 mph W 92%
8 PM 23° Rain 46% 6 mph W 94%
9 PM 23° Rain 47% 5 mph WSW 95%
10 PM 21° Mostly Cloudy 38% 4 mph SW 96%
11 PM 21° Mostly Cloudy 38% 4 mph SSW 97%
12 AM 21° Mostly Cloudy 42% 4 mph SSW 97%
1 AM 21° Rain 43% 4 mph SSW 97%
2 AM 20° Rain 31% 4 mph SW 97%
3 AM 20° Haze 34% 3 mph SSW 97%
4 AM 19° Fog 29% 3 mph SSW 97%
5 AM 19° Fog 27% 3 mph SSW 97%
6 AM 18° Fog 30% 3 mph SSW 97%
15-Day Forecast
Today
8/11
Heavy Rain
78%
18°
27°
Wed
8/12
Mostly Cloudy
63%
18°
28°
Thu
8/13
Rain
64%
18°
29°
Fri
8/14
Fog
66%
15°
26°
Sat
8/15
Rain
60%
14°
25°
Sun
8/16
Rain
78%
17°
29°
Mon
8/17
Rain
56%
16°
26°
Tue
8/18
Mostly Clear
33%
15°
28°
Wed
8/19
Rain
54%
17°
30°
Thu
8/20
Mostly Cloudy
35%
17°
28°
Fri
8/21
Drizzle
60%
16°
27°
Sat
8/22
Drizzle
60%
16°
28°
Sun
8/23
Drizzle
60%
15°
27°
Mon
8/24
Drizzle
60%
14°
27°
Tue
8/25
Drizzle
60%
14°
27°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
51 AQI 9.1 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 39 51
Wed 46 Good 37 46
Thu 42 Good 42 42
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 Tue Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE555 J/kg
MLCAPE688 J/kg
MUCAPE770 J/kg
SBCIN-216 J/kg
MLCIN0 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear38 kt
0–1 km Shear14 kt
Eff. Shear38 kt
0–1 km SRH51
0–3 km SRH172
Eff. SRH172
Storm Motion316° @ 30 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.5
Supercell2.6
K-Index32.7
Thermo & Levels
PWAT1.72 in
0–3 km LR4.2 °C/km
700–500 LR7.5 °C/km
Total Totals52.5
LCL976 hPa
LFC667 hPa
EL243 hPa
Freezing Lvl13,333 ft