Flood Watch 7:00 AM

Marion County, Ohio, United States

Last updated: 6:10 AM CDT  ·  Refresh
20°C
Feels like 21°
Overcast
▲ 29°  /  ▼ 18°
Wind
7 mph SSW
Humidity
94%
Dew Point
19°
Pressure
29.03 inHg
Visibility
8 mi
UV Index
0.6
Cloud Cover
97%
Sunrise
6:39 AM
Sunset
8:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently overcast at 20°C. Precipitation is likely — peak probability 84% around 3 PM. Atmospheric instability is elevated (CAPE up to 1994 J/kg) — isolated convective development possible. Sunrise: 6:39AM · Sunset: 8:35PM.

Alerts

Flood Watch
Expires 7:00 AM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
63%
8 AM
20°
55%
9 AM
21°
54%
10 AM
22°
57%
11 AM
22°
62%
12 PM
23°
70%
1 PM
24°
70%
2 PM
26°
79%
3 PM
25°
83%
4 PM
23°
83%
5 PM
22°
59%
6 PM
24°
66%
7 PM
24°
63%
8 PM
23°
63%
9 PM
23°
53%
10 PM
21°
50%
11 PM
21°
53%
12 AM
20°
47%
1 AM
20°
51%
2 AM
19°
48%
3 AM
19°
45%
4 AM
19°
49%
5 AM
19°
39%
6 AM
19°
43%
7-Day Forecast
Today
29° 18°
Thunderstorm, 83% chance.
Wed
28° 18°
Mostly Cloudy with a 55% chance of rain.
Thu
29° 19°
Rain, 68% chance.
Fri
26° 14°
Fog with a 63% chance of rain.
Sat
26° 14°
Drizzle, 52% chance.
Sun
31° 18°
Rain, 72% chance.
Mon
26° 16°
Rain, 66% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Overcast 63% 7 mph SSW 94%
8 AM 20° Overcast 55% 10 mph SSW 93%
9 AM 21° Overcast 54% 9 mph SW 92%
10 AM 22° Overcast 57% 9 mph SSW 91%
11 AM 22° Mostly Cloudy 62% 9 mph SW 90%
12 PM 23° Mostly Cloudy 70% 9 mph WSW 88%
1 PM 24° Mostly Cloudy 70% 11 mph W 87%
2 PM 26° Mostly Cloudy 79% 11 mph W 84%
3 PM 25° Overcast 83% 11 mph W 86%
4 PM 23° Thunderstorm 83% 14 mph WNW 88%
5 PM 22° Heavy Rain 59% 13 mph W 89%
6 PM 24° Heavy Rain 66% 11 mph WSW 90%
7 PM 24° Mostly Cloudy 63% 8 mph WSW 93%
8 PM 23° Mostly Cloudy 63% 7 mph SW 94%
9 PM 23° Mostly Cloudy 53% 7 mph SSW 95%
10 PM 21° Mostly Cloudy 50% 6 mph SSW 96%
11 PM 21° Fog 53% 5 mph SSW 96%
12 AM 20° Drizzle 47% 5 mph SSW 96%
1 AM 20° Rain 51% 4 mph SSW 97%
2 AM 19° Rain 48% 4 mph SSW 97%
3 AM 19° Rain 45% 3 mph SSW 97%
4 AM 19° Rain 49% 3 mph SSW 97%
5 AM 19° Rain 39% 3 mph SSW 97%
6 AM 19° Haze 43% 3 mph SSW 97%
15-Day Forecast
Today
8/11
Thunderstorm
83%
18°
29°
Wed
8/12
Mostly Cloudy
55%
18°
28°
Thu
8/13
Rain
68%
19°
29°
Fri
8/14
Fog
63%
14°
26°
Sat
8/15
Drizzle
52%
14°
26°
Sun
8/16
Rain
72%
18°
31°
Mon
8/17
Rain
66%
16°
26°
Tue
8/18
Partly Cloudy
33%
15°
27°
Wed
8/19
Drizzle
35%
17°
29°
Thu
8/20
Partly Cloudy
35%
18°
29°
Fri
8/21
Drizzle
60%
16°
27°
Sat
8/22
Drizzle
60%
16°
28°
Sun
8/23
Drizzle
60%
16°
27°
Mon
8/24
Drizzle
60%
15°
26°
Tue
8/25
Drizzle
60%
15°
27°
55
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
55 AQI 11.5 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 35 55
Wed 38 Good 31 38
Thu 34 Good 34 28
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
SBCAPE97 J/kg
MLCAPE293 J/kg
MUCAPE1300 J/kg
SBCIN-401 J/kg
MLCIN0 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear30 kt
0–1 km Shear27 kt
Eff. Shear13 kt
0–1 km SRH110
0–3 km SRH147
Eff. SRH64
Storm Motion310° @ 30 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.8
Thermo & Levels
PWAT1.73 in
0–3 km LR4.2 °C/km
700–500 LR6.7 °C/km
Total Totals52.1
LCL971 hPa
LFC630 hPa
EL398 hPa
Freezing Lvl13,228 ft