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As of 15:08 CDT

Weather in LaSalle, IL

55°Current weather

LaSalle, Saturday, 17 October, 15:08

Clear. Feels like 52°. High 55°, low 36°.

Pressure30.47 inHg
Wind5.7 mph SW
Humidity45%
Visibility6.2 mi
Dew point33°
Sun, 1862° / 41°0Clear
62 °Clear

LaSalle, Sunday, 18 October

Clear. High 62°, low 41°.

Pressure30.45 inHg
Wind11.9 mph SW
Humidity50%
Visibility6.2 mi
Dew point38°
Mon, 1965° / 42°0Mostly clear
65 °Mostly clear

LaSalle, Monday, 19 October

Mostly clear. High 65°, low 42°.

Pressure30.39 inHg
Wind3.6 mph S
Humidity56%
Visibility6.2 mi
Dew point45°
Tue, 2066° / 42°0Clear
66 °Clear

LaSalle, Tuesday, 20 October

Clear. High 66°, low 42°.

Pressure30.39 inHg
Wind3.9 mph SE
Humidity48%
Visibility6.2 mi
Dew point44°
Wed, 2168° / 45°0Clear
68 °Clear

LaSalle, Wednesday, 21 October

Clear. High 68°, low 45°.

Pressure30.27 inHg
Wind2.1 mph S
Humidity55%
Visibility6.2 mi
Dew point47°
Thu, 2268° / 48°0Overcast
68 °Overcast

LaSalle, Thursday, 22 October

Overcast. High 68°, low 48°.

Pressure30.30 inHg
Wind8.1 mph E
Humidity52%
Visibility—
Dew point47°
Fri, 2371° / 50°0Overcast
71 °Overcast

LaSalle, Friday, 23 October

Overcast. High 71°, low 50°.

Pressure30.24 inHg
Wind7.8 mph SE
Humidity46%
Visibility—
Dew point44°
Sat, 2472° / 55°0Overcast
72 °Overcast

LaSalle, Saturday, 24 October

Overcast. High 72°, low 55°.

Pressure30.24 inHg
Wind12.5 mph SW
Humidity33%
Visibility—
Dew point37°
Sun, 2574° / 58°0Overcast
74 °Overcast

LaSalle, Sunday, 25 October

Overcast. High 74°, low 58°.

Pressure30.15 inHg
Wind15.1 mph SW
Humidity36%
Visibility—
Dew point43°
Mon, 2664° / 54°0.29Rain
64 °Rain

LaSalle, Monday, 26 October

Rain. High 64°, low 54°.

Pressure30.15 inHg
Wind8.6 mph NE
Humidity91%
Visibility—
Dew point59°
Tue, 2773° / 55°0.01Light rain
73 °Light rain

LaSalle, Tuesday, 27 October

Light rain. High 73°, low 55°.

Pressure30.00 inHg
Wind16.1 mph S
Humidity44%
Visibility—
Dew point49°
Wed, 2867° / 60°0.25Rain
67 °Rain

LaSalle, Wednesday, 28 October

Rain. High 67°, low 60°.

Pressure29.88 inHg
Wind19.1 mph S
Humidity74%
Visibility—
Dew point55°
Thu, 2961° / 47°0.03Light rain
61 °Light rain

LaSalle, Thursday, 29 October

Light rain. High 61°, low 47°.

Pressure30.12 inHg
Wind16.6 mph NW
Humidity44%
Visibility—
Dew point37°
Fri, 3069° / 53°0.59Rain
69 °Rain

LaSalle, Friday, 30 October

Rain. High 69°, low 53°.

Pressure29.77 inHg
Wind20.8 mph S
Humidity97%
Visibility—
Dew point61°
Sat, 3171° / 50°0.1Light rain
71 °Light rain

LaSalle, Saturday, 31 October

Light rain. High 71°, low 50°.

Pressure29.71 inHg
Wind25.3 mph W
Humidity51%
Visibility—
Dew point42°
Sun, 0158° / 43°0Overcast
58 °Overcast

LaSalle, Sunday, 1 November

Overcast. High 58°, low 43°.

Pressure30.18 inHg
Wind7.7 mph W
Humidity33%
Visibility—
Dew point26°

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.