Severe Thunderstorm Watch 9:00 PM

Jefferson County, Indiana, United States

Last updated: 8:37 PM CDT  ·  Refresh
25°C
Feels like 28°
Partly Cloudy
▲ 30°  /  ▼ 18°
Wind
5 mph WNW
Humidity
81%
Dew Point
21°
Pressure
28.93 inHg
Visibility
3 mi
UV Index
0.0
Cloud Cover
57%
Sunrise
6:33 AM
Sunset
9:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently partly cloudy at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 612 J/kg) — isolated convective development possible. Sunrise: 6:33AM · Sunset: 9:02PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
32%
10 PM
24°
26%
11 PM
23°
3%
12 AM
22°
3%
1 AM
21°
3%
2 AM
21°
3%
3 AM
20°
3%
4 AM
20°
3%
5 AM
19°
3%
6 AM
18°
3%
7 AM
18°
3%
8 AM
18°
3%
9 AM
19°
3%
10 AM
21°
3%
11 AM
21°
3%
12 PM
22°
3%
1 PM
23°
3%
2 PM
22°
3%
3 PM
23°
3%
4 PM
23°
3%
5 PM
23°
3%
6 PM
24°
3%
7 PM
23°
3%
8 PM
23°
3%
7-Day Forecast
Tonight
30° 18°
Partly Cloudy with a 32% chance of rain.
Wed
24° 15°
Partly Cloudy.
Thu
26° 13°
Mostly Clear.
Fri
26° 16°
Mostly Cloudy.
Sat
28° 16°
Clear.
Sun
32° 19°
Drizzle, 70% chance.
Mon
34° 22°
Thunderstorm, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Partly Cloudy 32% 5 mph WNW 81%
10 PM 24° Partly Cloudy 26% 5 mph NW 83%
11 PM 23° Partly Cloudy 3% 6 mph NW 84%
12 AM 22° Mostly Clear 3% 5 mph NW 86%
1 AM 21° Clear 3% 5 mph NNW 88%
2 AM 21° Mostly Clear 3% 4 mph NNW 89%
3 AM 20° Mostly Clear 3% 4 mph N 90%
4 AM 20° Partly Cloudy 3% 5 mph N 90%
5 AM 19° Partly Cloudy 3% 6 mph NNE 90%
6 AM 18° Mostly Cloudy 3% 7 mph NNE 89%
7 AM 18° Mostly Cloudy 3% 8 mph NNE 86%
8 AM 18° Partly Cloudy 3% 9 mph NNE 81%
9 AM 19° Partly Cloudy 3% 9 mph NNE 74%
10 AM 21° Partly Cloudy 3% 9 mph NNE 68%
11 AM 21° Partly Cloudy 3% 9 mph NNE 64%
12 PM 22° Partly Cloudy 3% 9 mph N 62%
1 PM 23° Partly Cloudy 3% 9 mph N 58%
2 PM 22° Partly Cloudy 3% 9 mph N 57%
3 PM 23° Partly Cloudy 3% 10 mph N 56%
4 PM 23° Partly Cloudy 3% 10 mph NNW 56%
5 PM 23° Partly Cloudy 3% 10 mph NNW 58%
6 PM 24° Partly Cloudy 3% 9 mph NNW 61%
7 PM 23° Partly Cloudy 3% 9 mph N 64%
8 PM 23° Partly Cloudy 3% 8 mph N 66%
15-Day Forecast
Today
7/21
Partly Cloudy
32%
18°
30°
Wed
7/22
Partly Cloudy
3%
15°
24°
Thu
7/23
Mostly Clear
3%
13°
26°
Fri
7/24
Mostly Cloudy
7%
16°
26°
Sat
7/25
Clear
8%
16°
28°
Sun
7/26
Drizzle
70%
19°
32°
Mon
7/27
Thunderstorm
52%
22°
34°
Tue
7/28
Clear
53%
17°
32°
Wed
7/29
Drizzle
44%
16°
28°
Thu
7/30
Drizzle
44%
15°
28°
Fri
7/31
Drizzle
60%
14°
29°
Sat
8/1
Drizzle
60%
16°
29°
Sun
8/2
Drizzle
60%
17°
31°
Mon
8/3
Drizzle
60%
18°
31°
Tue
8/4
Drizzle
60%
19°
31°
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 11.3 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 33 55
Thu 27 Good 27 7
Fri 46 Good 46 13
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 Jul 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE360 J/kg
MLCAPE50 J/kg
MUCAPE360 J/kg
SBCIN-133 J/kg
MLCIN0 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear46 kt
0–1 km Shear16 kt
Eff. Shear48 kt
0–1 km SRH-48
0–3 km SRH-73
Eff. SRH-73
Storm Motion266° @ 30 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index24.6
Thermo & Levels
PWAT1.39 in
0–3 km LR5.6 °C/km
700–500 LR5.2 °C/km
Total Totals42.8
LCL926 hPa
LFC835 hPa
EL200 hPa
Freezing Lvl15,371 ft