Severe Thunderstorm Watch 10:00 PM Flash Flood Warning — Boone County, IN, Clinton County, IN, Delaware County, IN, Hamilton County, IN, Henry County, IN, Madison County, IN, Tipton County, IN 11:00 PM

Hamilton County, Indiana, United States

Last updated: 8:36 PM CDT  ·  Refresh
22°C
Feels like 23°
Rain
▲ 30°  /  ▼ 21°
Wind
8 mph SSE
Humidity
92%
Dew Point
21°
Pressure
28.90 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
78%
Sunrise
6:38 AM
Sunset
9:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hamilton County is currently rain at 22°C. Precipitation is likely — peak probability 58% around 11 PM. Atmospheric instability is elevated (CAPE up to 1483 J/kg) — isolated convective development possible. Sunrise: 6:38AM · Sunset: 9:02PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Flash Flood Warning
Boone County, IN, Clinton County, IN, Delaware County, IN, Hamilton County, IN, Henry County, IN, Madison County, IN, Tipton County, IN
Expires 11:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
47%
10 PM
23°
49%
11 PM
23°
58%
12 AM
23°
41%
1 AM
24°
46%
2 AM
24°
28%
3 AM
24°
4%
4 AM
24°
4%
5 AM
24°
3%
6 AM
23°
6%
7 AM
22°
6%
8 AM
22°
7%
9 AM
22°
3%
10 AM
23°
3%
11 AM
23°
5%
12 PM
24°
5%
1 PM
26°
5%
2 PM
27°
5%
3 PM
27°
5%
4 PM
28°
5%
5 PM
27°
3%
6 PM
25°
3%
7 PM
24°
3%
8 PM
23°
3%
7-Day Forecast
Tonight
30° 21°
Mostly Cloudy with a 68% chance of rain.
Tue
28° 16°
Mostly Cloudy with a 56% chance of rain.
Wed
27° 15°
Clear.
Thu
26° 15°
Clear.
Fri
24° 17°
Mostly Clear with a 43% chance of rain.
Sat
22° 17°
Rain, 90% chance.
Sun
24° 17°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Rain 47% 8 mph SSE 92%
10 PM 23° Mostly Cloudy 49% 8 mph SSW 90%
11 PM 23° Mostly Cloudy 58% 8 mph SSW 91%
12 AM 23° Mostly Cloudy 41% 9 mph SSW 92%
1 AM 24° Rain 46% 10 mph SW 92%
2 AM 24° Partly Cloudy 28% 10 mph SW 92%
3 AM 24° Mostly Clear 4% 10 mph WSW 92%
4 AM 24° Mostly Clear 4% 9 mph W 93%
5 AM 24° Mostly Clear 3% 9 mph W 93%
6 AM 23° Mostly Clear 6% 10 mph WNW 94%
7 AM 22° Partly Cloudy 6% 11 mph NW 95%
8 AM 22° Mostly Cloudy 7% 11 mph NNW 94%
9 AM 22° Overcast 3% 12 mph NNW 92%
10 AM 23° Overcast 3% 12 mph NNW 90%
11 AM 23° Overcast 5% 12 mph N 86%
12 PM 24° Mostly Cloudy 5% 12 mph NNW 82%
1 PM 26° Partly Cloudy 5% 12 mph NNW 77%
2 PM 27° Partly Cloudy 5% 12 mph NNW 74%
3 PM 27° Mostly Cloudy 5% 12 mph NNW 72%
4 PM 28° Mostly Cloudy 5% 12 mph NNW 71%
5 PM 27° Mostly Cloudy 3% 13 mph NNW 72%
6 PM 25° Partly Cloudy 3% 12 mph NNW 74%
7 PM 24° Partly Cloudy 3% 12 mph NNW 77%
8 PM 23° Mostly Clear 3% 12 mph NNW 79%
15-Day Forecast
Today
7/27
Mostly Cloudy
68%
21°
30°
Tue
7/28
Mostly Cloudy
56%
16°
28°
Wed
7/29
Clear
3%
15°
27°
Thu
7/30
Clear
14%
15°
26°
Fri
7/31
Mostly Clear
43%
17°
24°
Sat
8/1
Rain
90%
17°
22°
Sun
8/2
Drizzle
52%
17°
24°
Mon
8/3
Clear
17%
17°
27°
Tue
8/4
Drizzle
44%
18°
28°
Wed
8/5
Rain
68%
19°
28°
Thu
8/6
Drizzle
60%
19°
31°
Fri
8/7
Drizzle
60%
18°
31°
Sat
8/8
Drizzle
60%
18°
26°
Sun
8/9
Drizzle
60%
18°
27°
Mon
8/10
Drizzle
60%
18°
27°
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 9.9 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 43 52
Wed 41 Good 41 30
Thu 36 Good 36 23
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 Jul 27, 23:00'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
SBCAPE116 J/kg
MLCAPE45 J/kg
MUCAPE316 J/kg
SBCIN-554 J/kg
MLCIN0 J/kg
Lifted Index-1.3
Kinematics
0–6 km Shear56 kt
0–1 km Shear23 kt
Eff. Shear43 kt
0–1 km SRH181
0–3 km SRH163
Eff. SRH-61
Storm Motion282° @ 36 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.3
STP (eff)0.0
Supercell0.0
K-Index34.9
Thermo & Levels
PWAT1.80 in
0–3 km LR3.8 °C/km
700–500 LR6.6 °C/km
Total Totals45.9
LCL963 hPa
LFC628 hPa
EL411 hPa
Freezing Lvl14,393 ft