Heat Advisory — Elkhart, IN, Lagrange, IN, Steuben, IN, Noble, IN, De Kalb, IN, Northern La Porte, IN, Eastern St. Joseph, IN, Southern La Porte, IN, Western St. Joseph, IN, Cass, MI, St. Joseph, MI, Branch, MI, Hillsdale, MI, Northern Berrien, MI, Southern Berrien, MI, Williams, OH, Fulton, OH, Defiance, OH, Henry, OH 7:00 PM

Williams County, Ohio, United States

Last updated: 2:52 AM CDT  ·  Refresh
24°C
Feels like 28°
Clear
▲ 33°  /  ▼ 22°
Wind
6 mph WSW
Humidity
92%
Dew Point
23°
Pressure
29.09 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:06 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Williams County is currently clear at 24°C. Precipitation is likely — peak probability 57% around 3 AM. Atmospheric instability is elevated (CAPE up to 2383 J/kg) — isolated convective development possible. Sunrise: 7:06AM · Sunset: 8:07PM.

Alerts

Heat Advisory
Elkhart, IN, Lagrange, IN, Steuben, IN, Noble, IN, De Kalb, IN, Northern La Porte, IN, Eastern St. Joseph, IN, Southern La Porte, IN, Western St. Joseph, IN, Cass, MI, St. Joseph, MI, Branch, MI, Hillsdale, MI, Northern Berrien, MI, Southern Berrien, MI, Williams, OH, Fulton, OH, Defiance, OH, Henry, OH
Expires 7:00 PM
59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
21%
4 AM
24°
28%
5 AM
23°
29%
6 AM
23°
27%
7 AM
23°
27%
8 AM
25°
34%
9 AM
27°
35%
10 AM
29°
36%
11 AM
30°
41%
12 PM
31°
42%
1 PM
33°
42%
2 PM
33°
43%
3 PM
32°
43%
4 PM
32°
44%
5 PM
31°
45%
6 PM
29°
45%
7 PM
28°
49%
8 PM
27°
41%
9 PM
26°
44%
10 PM
25°
45%
11 PM
25°
44%
12 AM
25°
48%
1 AM
25°
53%
2 AM
25°
53%
7-Day Forecast
Today
33° 22°
Partly Cloudy with a 45% chance of rain.
Fri
31° 21°
Overcast with a 66% chance of rain.
Sat
28° 16°
Mostly Cloudy with a 84% chance of rain.
Sun
25° 14°
Mostly Cloudy.
Mon
27° 13°
Clear.
Tue
28° 16°
Drizzle, 43% chance.
Wed
31° 19°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 21% 6 mph WSW 92%
4 AM 24° Clear 28% 6 mph WSW 92%
5 AM 23° Clear 29% 6 mph WSW 91%
6 AM 23° Clear 27% 6 mph WSW 91%
7 AM 23° Mostly Clear 27% 6 mph WSW 90%
8 AM 25° Mostly Clear 34% 8 mph WSW 83%
9 AM 27° Mostly Clear 35% 8 mph W 75%
10 AM 29° Mostly Clear 36% 9 mph WSW 67%
11 AM 30° Mostly Clear 41% 9 mph W 63%
12 PM 31° Partly Cloudy 42% 10 mph W 59%
1 PM 33° Partly Cloudy 42% 11 mph W 56%
2 PM 33° Partly Cloudy 43% 11 mph W 58%
3 PM 32° Partly Cloudy 43% 11 mph W 61%
4 PM 32° Partly Cloudy 44% 11 mph W 64%
5 PM 31° Partly Cloudy 45% 10 mph W 69%
6 PM 29° Partly Cloudy 45% 8 mph W 74%
7 PM 28° Rain 49% 6 mph SW 80%
8 PM 27° Partly Cloudy 41% 5 mph SW 84%
9 PM 26° Partly Cloudy 44% 5 mph S 87%
10 PM 25° Partly Cloudy 45% 6 mph S 89%
11 PM 25° Partly Cloudy 44% 5 mph S 90%
12 AM 25° Mostly Cloudy 48% 4 mph SSW 90%
1 AM 25° Mostly Cloudy 53% 4 mph SSW 90%
2 AM 25° Mostly Cloudy 53% 5 mph SSW 91%
15-Day Forecast
Today
9/3
Partly Cloudy
45%
22°
33°
Fri
9/4
Overcast
66%
21°
31°
Sat
9/5
Mostly Cloudy
84%
16°
28°
Sun
9/6
Mostly Cloudy
7%
14°
25°
Mon
9/7
Clear
3%
13°
27°
Tue
9/8
Drizzle
43%
16°
28°
Wed
9/9
Drizzle
53%
19°
31°
Thu
9/10
Rain
69%
16°
29°
Fri
9/11
Rain
68%
16°
28°
Sat
9/12
Drizzle
68%
16°
32°
Sun
9/13
Drizzle
60%
16°
28°
Mon
9/14
Drizzle
60%
14°
27°
Tue
9/15
Clear
60%
14°
26°
Wed
9/16
Drizzle
60%
14°
27°
Thu
9/17
Drizzle
60%
14°
27°
59
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
59 AQI 13.2 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 59 Moderate 39 59
Fri 51 Moderate 43 51
Sat 39 Good 39 26
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 Thu Sep 3, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1972 J/kg
MLCAPE1363 J/kg
MUCAPE2563 J/kg
SBCIN-242 J/kg
MLCIN-158 J/kg
Lifted Index-4.9
Kinematics
0–6 km Shear33 kt
0–1 km Shear18 kt
Eff. Shear32 kt
0–1 km SRH121
0–3 km SRH111
Eff. SRH111
Storm Motion303° @ 28 kt
0–1 km EHI1.5
Composite Parameters
Sig. Tornado0.9
STP (eff)0.1
Supercell4.6
K-Index37.2
Thermo & Levels
PWAT1.60 in
0–3 km LR5.5 °C/km
700–500 LR5.6 °C/km
Total Totals47.3
LCL965 hPa
LFC787 hPa
EL197 hPa
Freezing Lvl14,478 ft