De Witt, Illinois

Last updated: 7:13 PM CDT · Refresh

23°C

Feels like 26°

Mostly Cloudy

▲ 30° / ▼ 19°

Wind

7 mph NW

Humidity

93%

Dew Point

22°

Pressure

29.16 inHg

Visibility

10 mi

UV Index

1.9

Cloud Cover

82%

Sunrise

5:31 AM

Sunset

8:27 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: De Witt is currently mostly cloudy at 23°C. Precipitation is likely — peak probability 58% around 12 AM. Atmospheric instability is elevated (CAPE up to 1248 J/kg) — isolated convective development possible. Sunrise: 5:31AM · Sunset: 8:27PM.

58 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

29%

8 PM

24°

28%

9 PM

23°

32%

10 PM

23°

26%

11 PM

22°

31%

12 AM

22°

58%

1 AM

21°

20%

2 AM

21°

20%

3 AM

21°

25%

4 AM

20°

11%

5 AM

19°

11%

6 AM

19°

21%

7 AM

19°

26%

8 AM

20°

38%

9 AM

22°

29%

10 AM

23°

46%

11 AM

23°

37%

12 PM

24°

44%

1 PM

26°

43%

2 PM

26°

52%

3 PM

26°

57%

4 PM

26°

47%

5 PM

27°

48%

6 PM

26°

34%

7-Day Forecast

Tonight

30° 19°

Mostly Cloudy with a 29% chance of rain.

Sun

27° 19°

Mostly Cloudy with a 46% chance of rain.

Mon

27° 17°

Partly Cloudy with a 26% chance of rain.

Tue

28° 16°

Partly Cloudy.

Wed

27° 18°

Partly Cloudy.

Thu

26° 19°

Heavy Rain, 90% chance.

Fri

26° 18°

Rain, 82% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Mostly Cloudy 29% 7 mph NW 93%

8 PM 24° Overcast 28% 4 mph NNE 93%

9 PM 23° Overcast 32% 4 mph NE 94%

10 PM 23° Mostly Cloudy 26% 4 mph NE 95%

11 PM 22° Overcast 31% 4 mph N 96%

12 AM 22° Overcast 58% 4 mph NW 97%

1 AM 21° Mostly Cloudy 20% 4 mph NW 97%

2 AM 21° Overcast 20% 5 mph NW 97%

3 AM 21° Overcast 25% 5 mph NNW 97%

4 AM 20° Overcast 11% 5 mph NNW 97%

5 AM 19° Overcast 11% 5 mph NNW 96%

6 AM 19° Overcast 21% 5 mph NNW 96%

7 AM 19° Haze 26% 6 mph NNW 95%

8 AM 20° Mostly Cloudy 38% 6 mph N 92%

9 AM 22° Mostly Cloudy 29% 6 mph N 88%

10 AM 23° Mostly Cloudy 46% 7 mph N 85%

11 AM 23° Mostly Cloudy 37% 7 mph N 83%

12 PM 24° Mostly Cloudy 44% 7 mph N 80%

1 PM 26° Mostly Cloudy 43% 7 mph N 77%

2 PM 26° Mostly Cloudy 52% 7 mph N 77%

3 PM 26° Mostly Cloudy 57% 8 mph N 77%

4 PM 26° Mostly Cloudy 47% 8 mph N 78%

5 PM 27° Mostly Cloudy 48% 8 mph N 80%

6 PM 26° Mostly Cloudy 34% 8 mph N 83%

15-Day Forecast

Today

7/4

Mostly Cloudy

29%

19°

30°

Sun

7/5

Mostly Cloudy

46%

19°

27°

Mon

7/6

Partly Cloudy

26%

17°

27°

Tue

7/7

Partly Cloudy

14%

16°

28°

Wed

7/8

Partly Cloudy

16%

18°

27°

Thu

7/9

Heavy Rain

90%

19°

26°

Fri

7/10

Rain

82%

18°

26°

Sat

7/11

Clear

31%

17°

24°

Sun

7/12

Drizzle

63%

15°

25°

Mon

7/13

Mostly Clear

44%

16°

26°

Tue

7/14

Overcast

44%

17°

28°

Wed

7/15

Drizzle

60%

17°

28°

Thu

7/16

Drizzle

60%

17°

24°

Fri

7/17

Drizzle

60%

17°

24°

Sat

7/18

Drizzle

60%

17°

25°

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

PM_2.5

Fine particulate matter

Dominant

58 AQI 12.7 µg/m³

O₃

Ground-level ozone

33 AQI 36 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 58 Moderate 33 58

Mon 39 Good 38 39

Tue 60 Moderate 35 60

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Sat Jul 4, 22:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE473 J/kg

MLCAPE1196 J/kg

MUCAPE1725 J/kg

SBCIN-87 J/kg

MLCIN0 J/kg

Lifted Index-2.2

Kinematics

0–6 km Shear20 kt

0–1 km Shear10 kt

Eff. Shear19 kt

0–1 km SRH-49

0–3 km SRH-69

Eff. SRH-69

Storm Motion222° @ 20 kt

0–1 km EHI-0.1

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index37.0

Thermo & Levels

PWAT2.21 in

0–3 km LR5.1 °C/km

700–500 LR5.4 °C/km

Total Totals49.0

LCL969 hPa

LFC754 hPa

EL286 hPa

Freezing Lvl13,635 ft

De Witt, Illinois

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