Piatt County, Illinois, United States

Last updated: 4:47 PM CDT  ·  Refresh
23°C
Feels like 26°
Overcast
▲ 23°  /  ▼ 19°
Wind
7 mph NNW
Humidity
96%
Dew Point
20°
Pressure
28.93 inHg
Visibility
10 mi
UV Index
2.4
Cloud Cover
96%
Sunrise
5:53 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Piatt County is currently overcast at 23°C. Precipitation is likely — peak probability 90% around 8 PM. Atmospheric instability is elevated (CAPE up to 533 J/kg) — isolated convective development possible. Sunrise: 5:53AM · Sunset: 8:07PM.

Alerts

No active alerts for this location.
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
62%
5 PM
23°
77%
6 PM
22°
87%
7 PM
22°
86%
8 PM
22°
90%
9 PM
21°
85%
10 PM
21°
85%
11 PM
21°
70%
12 AM
21°
70%
1 AM
21°
69%
2 AM
21°
63%
3 AM
21°
63%
4 AM
20°
63%
5 AM
19°
25%
6 AM
19°
26%
7 AM
20°
23%
8 AM
21°
16%
9 AM
21°
16%
10 AM
22°
17%
11 AM
23°
17%
12 PM
24°
17%
1 PM
24°
18%
2 PM
24°
18%
3 PM
24°
18%
7-Day Forecast
Today
23° 19°
Rain, 86% chance.
Sun
26° 17°
Partly Cloudy with a 69% chance of rain.
Mon
27° 16°
Partly Cloudy.
Tue
27° 16°
Mostly Clear.
Wed
28° 18°
Mostly Clear with a 60% chance of rain.
Thu
28° 19°
Drizzle, 78% chance.
Fri
29° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 62% 7 mph NNW 96%
5 PM 23° Overcast 77% 10 mph NNW 94%
6 PM 22° Overcast 87% 11 mph N 95%
7 PM 22° Rain 86% 14 mph NNE 96%
8 PM 22° Overcast 90% 14 mph NNE 95%
9 PM 21° Overcast 85% 15 mph NNE 95%
10 PM 21° Overcast 85% 15 mph NNE 95%
11 PM 21° Overcast 70% 15 mph NNE 94%
12 AM 21° Mostly Cloudy 70% 14 mph NNE 95%
1 AM 21° Overcast 69% 14 mph N 95%
2 AM 21° Overcast 63% 14 mph N 94%
3 AM 21° Overcast 63% 14 mph N 94%
4 AM 20° Overcast 63% 13 mph N 94%
5 AM 19° Mostly Cloudy 25% 13 mph N 94%
6 AM 19° Mostly Cloudy 26% 13 mph N 94%
7 AM 20° Mostly Cloudy 23% 14 mph N 93%
8 AM 21° Partly Cloudy 16% 14 mph N 91%
9 AM 21° Partly Cloudy 16% 15 mph N 90%
10 AM 22° Partly Cloudy 17% 15 mph N 87%
11 AM 23° Partly Cloudy 17% 15 mph N 84%
12 PM 24° Partly Cloudy 17% 16 mph N 82%
1 PM 24° Partly Cloudy 18% 16 mph N 80%
2 PM 24° Mostly Clear 18% 16 mph N 78%
3 PM 24° Mostly Clear 18% 15 mph N 75%
15-Day Forecast
Today
8/1
Rain
86%
19°
23°
Sun
8/2
Partly Cloudy
69%
17°
26°
Mon
8/3
Partly Cloudy
11%
16°
27°
Tue
8/4
Mostly Clear
12%
16°
27°
Wed
8/5
Mostly Clear
60%
18°
28°
Thu
8/6
Drizzle
78%
19°
28°
Fri
8/7
Drizzle
60%
19°
29°
Sat
8/8
Clear
49%
19°
30°
Sun
8/9
Drizzle
44%
21°
31°
Mon
8/10
Drizzle
60%
21°
31°
Tue
8/11
Drizzle
90%
21°
29°
Wed
8/12
Drizzle
60%
21°
29°
Thu
8/13
Drizzle
60%
21°
29°
Fri
8/14
Drizzle
60%
20°
29°
Sat
8/15
Drizzle
60%
19°
29°
38
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
38 AQI 6.8 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 38 Good 31 38
Mon 39 Good 39 29
Tue 38 Good 38 29
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 Sat Aug 1, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE511 J/kg
MLCAPE198 J/kg
MUCAPE511 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.6
Kinematics
0–6 km Shear5 kt
0–1 km Shear4 kt
Eff. Shear5 kt
0–1 km SRH19
0–3 km SRH-13
Eff. SRH-13
Storm Motion46° @ 21 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.1
Thermo & Levels
PWAT1.95 in
0–3 km LR5.7 °C/km
700–500 LR5.0 °C/km
Total Totals44.5
LCL943 hPa
LFC979 hPa
EL244 hPa
Freezing Lvl13,717 ft