Areal Flood Watch 7:00 AM

Jefferson County, Ohio, United States

Last updated: 2:07 AM CDT  ·  Refresh
22°C
Feels like 26°
Mostly Cloudy
▲ 24°  /  ▼ 17°
Wind
6 mph WSW
Humidity
98%
Dew Point
22°
Pressure
28.77 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
77%
Sunrise
6:36 AM
Sunset
8:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently mostly cloudy at 22°C. Precipitation is likely — peak probability 83% around 4 PM. Atmospheric instability is elevated (CAPE up to 970 J/kg) — isolated convective development possible. Sunrise: 6:36AM · Sunset: 8:17PM.

Alerts

Areal Flood Watch
Expires 7:00 AM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
28%
4 AM
23°
29%
5 AM
23°
24%
6 AM
22°
26%
7 AM
22°
23%
8 AM
22°
44%
9 AM
23°
49%
10 AM
23°
56%
11 AM
23°
63%
12 PM
24°
55%
1 PM
24°
61%
2 PM
24°
64%
3 PM
24°
69%
4 PM
24°
82%
5 PM
24°
65%
6 PM
24°
58%
7 PM
24°
48%
8 PM
23°
23%
9 PM
23°
23%
10 PM
21°
22%
11 PM
21°
22%
12 AM
20°
21%
1 AM
19°
20%
2 AM
18°
12%
7-Day Forecast
Today
24° 17°
Overcast with a 69% chance of rain.
Tue
26° 17°
Fog.
Wed
26° 16°
Mostly Cloudy with a 43% chance of rain.
Thu
22° 14°
Fog with a 67% chance of rain.
Fri
23° 14°
Clear.
Sat
26° 14°
Rain, 70% chance.
Sun
24° 13°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Mostly Cloudy 28% 6 mph WSW 98%
4 AM 23° Mostly Cloudy 29% 6 mph W 98%
5 AM 23° Overcast 24% 5 mph W 98%
6 AM 22° Overcast 26% 5 mph WSW 98%
7 AM 22° Mostly Cloudy 23% 5 mph W 97%
8 AM 22° Overcast 44% 5 mph W 97%
9 AM 23° Overcast 49% 5 mph W 94%
10 AM 23° Mostly Cloudy 56% 5 mph W 92%
11 AM 23° Overcast 63% 5 mph W 89%
12 PM 24° Overcast 55% 6 mph W 87%
1 PM 24° Overcast 61% 6 mph W 86%
2 PM 24° Overcast 64% 5 mph WNW 86%
3 PM 24° Overcast 69% 5 mph WNW 85%
4 PM 24° Overcast 82% 5 mph WNW 86%
5 PM 24° Rain 65% 4 mph WNW 85%
6 PM 24° Mostly Cloudy 58% 5 mph NW 84%
7 PM 24° Partly Cloudy 48% 4 mph NNW 83%
8 PM 23° Partly Cloudy 23% 5 mph NNW 83%
9 PM 23° Partly Cloudy 23% 4 mph N 85%
10 PM 21° Partly Cloudy 22% 4 mph N 86%
11 PM 21° Partly Cloudy 22% 4 mph N 88%
12 AM 20° Partly Cloudy 21% 4 mph N 90%
1 AM 19° Partly Cloudy 20% 4 mph N 92%
2 AM 18° Partly Cloudy 12% 4 mph N 94%
15-Day Forecast
Today
8/17
Overcast
69%
17°
24°
Tue
8/18
Fog
12%
17°
26°
Wed
8/19
Mostly Cloudy
43%
16°
26°
Thu
8/20
Fog
67%
14°
22°
Fri
8/21
Clear
16%
14°
23°
Sat
8/22
Rain
70%
14°
26°
Sun
8/23
Rain
63%
13°
24°
Mon
8/24
Drizzle
43%
11°
23°
Tue
8/25
Drizzle
44%
12°
24°
Wed
8/26
Drizzle
60%
15°
26°
Thu
8/27
Drizzle
60%
14°
26°
Fri
8/28
Drizzle
60%
14°
24°
Sat
8/29
Drizzle
60%
13°
24°
Sun
8/30
Clear
25%
13°
26°
Mon
8/31
Drizzle
60%
14°
26°
52
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
52 AQI 9.4 µg/m³
O3
Ground-level ozone
29 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 29 52
Tue 38 Good 36 38
Wed 39 Good 36 39
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 Mon Aug 17, 05:00'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
SBCAPE435 J/kg
MLCAPE503 J/kg
MUCAPE839 J/kg
SBCIN-12 J/kg
MLCIN-2 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear16 kt
0–1 km Shear15 kt
Eff. Shear17 kt
0–1 km SRH77
0–3 km SRH82
Eff. SRH82
Storm Motion330° @ 23 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.4
Thermo & Levels
PWAT1.94 in
0–3 km LR4.7 °C/km
700–500 LR5.0 °C/km
Total Totals41.0
LCL969 hPa
LFC891 hPa
EL259 hPa
Freezing Lvl15,095 ft