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As of 02:32 CDT

Weather in LaSalle, IL

52°Current weather

LaSalle, Friday, 16 October, 02:32

Overcast. Feels like 51°. High 55°, low 46°.

Pressure29.97 inHg
Wind14.6 mph NW
Humidity82%
Visibility6.2 mi
Dew point47°
Sat, 1756° / 36°0Clear
56 °Clear

LaSalle, Saturday, 17 October

Clear. High 56°, low 36°.

Pressure30.56 inHg
Wind3.7 mph SW
Humidity46%
Visibility6.2 mi
Dew point29°
Sun, 1861° / 42°0Clear
61 °Clear

LaSalle, Sunday, 18 October

Clear. High 61°, low 42°.

Pressure30.47 inHg
Wind12 mph SW
Humidity51%
Visibility6.2 mi
Dew point40°
Mon, 1965° / 42°0Partly cloudy
65 °Partly cloudy

LaSalle, Monday, 19 October

Partly cloudy. High 65°, low 42°.

Pressure30.39 inHg
Wind5.3 mph S
Humidity53%
Visibility6.2 mi
Dew point42°
Tue, 2067° / 42°0.01Light rain
67 °Light rain

LaSalle, Tuesday, 20 October

Light rain. High 67°, low 42°.

Pressure30.33 inHg
Wind6.2 mph SE
Humidity42%
Visibility—
Dew point39°
Wed, 2169° / 45°0Mostly clear
69 °Mostly clear

LaSalle, Wednesday, 21 October

Mostly clear. High 69°, low 45°.

Pressure30.30 inHg
Wind6 mph SE
Humidity46%
Visibility—
Dew point43°
Thu, 2272° / 53°0Overcast
72 °Overcast

LaSalle, Thursday, 22 October

Overcast. High 72°, low 53°.

Pressure30.24 inHg
Wind7.2 mph S
Humidity37%
Visibility—
Dew point40°
Fri, 2372° / 55°0Partly cloudy
72 °Partly cloudy

LaSalle, Friday, 23 October

Partly cloudy. High 72°, low 55°.

Pressure30.18 inHg
Wind9.9 mph SE
Humidity37%
Visibility—
Dew point41°
Sat, 2470° / 56°0Overcast
70 °Overcast

LaSalle, Saturday, 24 October

Overcast. High 70°, low 56°.

Pressure30.21 inHg
Wind9.2 mph SE
Humidity40%
Visibility—
Dew point42°
Sun, 2570° / 54°0Partly cloudy
70 °Partly cloudy

LaSalle, Sunday, 25 October

Partly cloudy. High 70°, low 54°.

Pressure30.27 inHg
Wind6.8 mph NE
Humidity38%
Visibility—
Dew point40°
Mon, 2668° / 55°0Overcast
68 °Overcast

LaSalle, Monday, 26 October

Overcast. High 68°, low 55°.

Pressure30.03 inHg
Wind14.1 mph SE
Humidity54%
Visibility—
Dew point46°
Tue, 2761° / 47°0Overcast
61 °Overcast

LaSalle, Tuesday, 27 October

Overcast. High 61°, low 47°.

Pressure30.03 inHg
Wind11.9 mph SW
Humidity62%
Visibility—
Dew point44°
Wed, 2855° / 48°0.8Rain
55 °Rain

LaSalle, Wednesday, 28 October

Rain. High 55°, low 48°.

Pressure29.68 inHg
Wind14.3 mph SE
Humidity93%
Visibility—
Dew point48°
Thu, 2957° / 49°0.11Light rain
57 °Light rain

LaSalle, Thursday, 29 October

Light rain. High 57°, low 49°.

Pressure29.85 inHg
Wind18.1 mph NW
Humidity73%
Visibility—
Dew point47°
Fri, 3060° / 45°0Clear
60 °Clear

LaSalle, Friday, 30 October

Clear. High 60°, low 45°.

Pressure30.03 inHg
Wind13.6 mph W
Humidity42%
Visibility—
Dew point35°
Sat, 3160° / 45°0Overcast
60 °Overcast

LaSalle, Saturday, 31 October

Overcast. High 60°, low 45°.

Pressure29.97 inHg
Wind7 mph S
Humidity46%
Visibility—
Dew point37°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for LaSalle, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in LaSalle, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.