Jefferson County, Indiana, United States

Last updated: 10:06 PM CDT  ·  Refresh
24°C
Feels like 26°
Partly Cloudy
▲ 30°  /  ▼ 18°
Wind
6 mph NW
Humidity
83%
Dew Point
21°
Pressure
28.95 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
45%
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 24°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:33AM · Sunset: 9:02PM.

Alerts

No active alerts for this location.
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
12 AM
23°
3%
1 AM
22°
3%
2 AM
21°
3%
3 AM
21°
3%
4 AM
20°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
18°
3%
8 AM
18°
3%
9 AM
19°
3%
10 AM
21°
3%
11 AM
22°
3%
12 PM
22°
3%
1 PM
23°
3%
2 PM
23°
3%
3 PM
23°
3%
4 PM
23°
3%
5 PM
23°
3%
6 PM
25°
3%
7 PM
24°
3%
8 PM
23°
3%
9 PM
23°
3%
10 PM
19°
3%
7-Day Forecast
Tonight
30° 18°
Partly Cloudy.
Wed
25° 16°
Partly Cloudy.
Thu
27° 13°
Mostly Clear.
Fri
26° 16°
Mostly Cloudy.
Sat
28° 16°
Clear.
Sun
32° 19°
Thunderstorm, 51% chance.
Mon
34° 22°
Thunderstorm, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 3% 6 mph NW 83%
12 AM 23° Mostly Clear 3% 6 mph NW 86%
1 AM 22° Mostly Clear 3% 6 mph NW 87%
2 AM 21° Clear 3% 5 mph NNW 89%
3 AM 21° Clear 3% 4 mph NNW 90%
4 AM 20° Clear 3% 4 mph N 90%
5 AM 19° Partly Cloudy 3% 5 mph N 91%
6 AM 19° Partly Cloudy 3% 7 mph NNE 90%
7 AM 18° Partly Cloudy 3% 8 mph NNE 89%
8 AM 18° Partly Cloudy 3% 9 mph NNE 86%
9 AM 19° Partly Cloudy 3% 9 mph NNE 78%
10 AM 21° Partly Cloudy 3% 9 mph NNE 70%
11 AM 22° Partly Cloudy 3% 9 mph NNE 64%
12 PM 22° Partly Cloudy 3% 9 mph N 61%
1 PM 23° Partly Cloudy 3% 9 mph N 57%
2 PM 23° Partly Cloudy 3% 10 mph N 54%
3 PM 23° Partly Cloudy 3% 10 mph NNW 54%
4 PM 23° Partly Cloudy 3% 10 mph NNW 54%
5 PM 23° Partly Cloudy 3% 10 mph NNW 55%
6 PM 25° Partly Cloudy 3% 10 mph NNW 58%
7 PM 24° Partly Cloudy 3% 9 mph NNW 62%
8 PM 23° Mostly Cloudy 3% 8 mph N 65%
9 PM 23° Partly Cloudy 3% 8 mph N 66%
10 PM 19° Partly Cloudy 3% 8 mph N 67%
15-Day Forecast
Today
7/21
Partly Cloudy
3%
18°
30°
Wed
7/22
Partly Cloudy
3%
16°
25°
Thu
7/23
Mostly Clear
3%
13°
27°
Fri
7/24
Mostly Cloudy
7%
16°
26°
Sat
7/25
Clear
8%
16°
28°
Sun
7/26
Thunderstorm
51%
19°
32°
Mon
7/27
Thunderstorm
52%
22°
34°
Tue
7/28
Rain
31%
18°
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 Wed Jul 22, 01:00'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
SBCAPE79 J/kg
MLCAPE34 J/kg
MUCAPE79 J/kg
SBCIN-160 J/kg
MLCIN0 J/kg
Lifted Index-0.4
Kinematics
0–6 km Shear44 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH-62
0–3 km SRH-71
Eff. SRH—
Storm Motion264° @ 29 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index18.8
Thermo & Levels
PWAT1.31 in
0–3 km LR5.2 °C/km
700–500 LR5.0 °C/km
Total Totals41.5
LCL935 hPa
LFC824 hPa
EL468 hPa
Freezing Lvl15,528 ft