Weather in LaSalle, IL
LaSalle, Thursday, 22 October, 19:12
Clear. Feels like 61°. High 74°, low 46°.
0
LaSalle, Friday, 23 October
Clear. High 72°, low 47°.
0
LaSalle, Saturday, 24 October
Overcast. High 69°, low 46°.
0LaSalle, Sunday, 25 October
Clear. High 72°, low 50°.
0LaSalle, Monday, 26 October
Overcast. High 68°, low 49°.
0LaSalle, Tuesday, 27 October
Overcast. High 67°, low 49°.
0
LaSalle, Wednesday, 28 October
Partly cloudy. High 63°, low 50°.
0.3
LaSalle, Thursday, 29 October
Rain. High 62°, low 52°.
0.67LaSalle, Friday, 30 October
Rain. High 56°, low 50°.
0LaSalle, Saturday, 31 October
Overcast. High 57°, low 43°.
0LaSalle, Sunday, 1 November
Overcast. High 54°, low 48°.
0LaSalle, Monday, 2 November
Overcast. High 55°, low 43°.
0
LaSalle, Tuesday, 3 November
Mostly clear. High 55°, low 41°.
0LaSalle, Wednesday, 4 November
Overcast. High 55°, low 43°.
0LaSalle, Thursday, 5 November
Overcast. High 56°, low 43°.
0LaSalle, Friday, 6 November
Overcast. High 57°, low 49°.
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.
Sun and moon today
Weather history
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