LaSalle, Illinois

Last updated: 5:03 PM CDT · Refresh

25°C

Feels like 25°

Mostly Clear

▲ 26° / ▼ 15°

Wind

3 mph NW

Humidity

52%

Dew Point

13°

Pressure

29.52 inHg

Visibility

10 mi

UV Index

6.8

Cloud Cover

28%

Sunrise

5:23 AM

Sunset

8:33 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: LaSalle is currently mostly clear at 25°C. Precipitation is likely — peak probability 59% around 5 PM. Atmospheric instability is elevated (CAPE up to 923 J/kg) — isolated convective development possible. Sunrise: 5:23AM · Sunset: 8:33PM.

38 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

25°

6 PM

26°

25%

7 PM

26°

23%

8 PM

24°

23%

9 PM

21°

25%

10 PM

20°

25%

11 PM

19°

25%

12 AM

18°

18%

1 AM

17°

2 AM

17°

3 AM

17°

14%

4 AM

17°

14%

5 AM

15°

18%

6 AM

16°

12%

7 AM

17°

8 AM

18°

37%

9 AM

20°

26%

10 AM

21°

26%

11 AM

21°

46%

12 PM

23°

46%

1 PM

24°

50%

2 PM

24°

51%

3 PM

24°

54%

4 PM

26°

53%

7-Day Forecast

Today

26° 15°

Rain, 25% chance.

Wed

27° 15°

Rain, 58% chance.

Thu

29° 18°

Partly Cloudy with a 29% chance of rain.

Fri

27° 14°

Drizzle, 58% chance.

Sat

29° 17°

Clear with a 62% chance of rain.

Sun

32° 21°

Clear with a 53% chance of rain.

Mon

33° 23°

Clear.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 25° Mostly Clear 5% 3 mph NW 52%

6 PM 26° Mostly Clear 25% 4 mph N 56%

7 PM 26° Rain 23% 3 mph NNE 59%

8 PM 24° Rain 23% 2 mph E 66%

9 PM 21° Rain 25% 3 mph SE 70%

10 PM 20° Rain 25% 3 mph SSE 75%

11 PM 19° Rain 25% 4 mph SE 78%

12 AM 18° Drizzle 18% 4 mph SE 83%

1 AM 17° Partly Cloudy 5% 4 mph SE 86%

2 AM 17° Partly Cloudy 8% 5 mph SE 86%

3 AM 17° Partly Cloudy 14% 4 mph SSE 86%

4 AM 17° Mostly Clear 14% 4 mph SSE 86%

5 AM 15° Partly Cloudy 18% 4 mph SSE 86%

6 AM 16° Partly Cloudy 12% 4 mph S 86%

7 AM 17° Mostly Cloudy 9% 6 mph S 84%

8 AM 18° Drizzle 37% 8 mph SSW 80%

9 AM 20° Drizzle 26% 8 mph SSW 78%

10 AM 21° Drizzle 26% 9 mph SSW 76%

11 AM 21° Rain 46% 10 mph SW 75%

12 PM 23° Rain 46% 10 mph SW 74%

1 PM 24° Rain 50% 10 mph SW 73%

2 PM 24° Rain 51% 10 mph SW 74%

3 PM 24° Rain 54% 11 mph SW 75%

4 PM 26° Rain 53% 13 mph SSW 75%

15-Day Forecast

Today

6/23

Rain

25%

15°

26°

Wed

6/24

Rain

58%

15°

27°

Thu

6/25

Partly Cloudy

29%

18°

29°

Fri

6/26

Drizzle

58%

14°

27°

Sat

6/27

Clear

62%

17°

29°

Sun

6/28

Clear

53%

21°

32°

Mon

6/29

Clear

14%

23°

33°

Tue

6/30

Clear

66%

23°

33°

Wed

7/1

Thunderstorm

66%

23°

33°

Thu

7/2

Drizzle

63%

24°

33°

Fri

7/3

Drizzle

63%

23°

29°

Sat

7/4

Drizzle

66%

21°

31°

Sun

7/5

Drizzle

66%

20°

29°

Mon

7/6

Drizzle

66%

19°

28°

Tue

7/7

Drizzle

66%

19°

29°

Good

U.S. Air Quality Index · Dominant: O3

50 100 150 200

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

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

24 AQI 4.5 µg/m³

O₃

Ground-level ozone

Dominant

38 AQI 41 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Wed 38 Good 38 24

Thu 44 Good 38 44

Fri 38 Good 38 20

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 Tue Jun 23, 20:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE85 J/kg

MLCAPE7 J/kg

MUCAPE85 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index3.2

Kinematics

0–6 km Shear32 kt

0–1 km Shear2 kt

Eff. Shear—

0–1 km SRH-11

0–3 km SRH-63

Eff. SRH—

Storm Motion254° @ 20 kt

0–1 km EHI-0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index14.3

Thermo & Levels

PWAT0.93 in

0–3 km LR7.3 °C/km

700–500 LR5.0 °C/km

Total Totals37.7

LCL838 hPa

LFC1000 hPa

EL708 hPa

Freezing Lvl12,680 ft

LaSalle, Illinois

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