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La Salle, IL Weather Tomorrow

Looking for tomorrow's weather in La Salle? Explore a complete 5 day forecast featuring precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the La Salle area and around LaSalle county, Illinois.
Updated: Sun Sep 13th 2026 10:45 PM CDT
La Salle, IL Weather – 9-13 – Cloudy
71° / 58°
Cloudy
La Salle, IL Weather – 9-14 – Overcast
69° / 54°

Weather Tomorrow

Overcast
It will be overcast in La Salle, with a high of 69°F and a low of 54°F. There might be light rainfall having a 11% chance with an estimated 0in. Wind will be moderate, blowing around 17mph on average and gusts of 40.5mph at 11 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 83% at 7 AM and 53% being its lowest at 1 PM. Barometric pressure is its highest of 30.25inHg at 7 AM, a lowest point of 30.01inHg at 11 PM with an avg 30.16inHg.
La Salle, IL Weather – 9-15 – Light Rain Shower
82° / 66°
Light Rain Shower
In La Salle, it will rain at times with highs near 82°F and lows around 66°F. The chance of rain is 86% with an estimated 0.39in. Wind will be moderate, blowing around 17mph on average and gusts of 41.9mph at 12 AM. High humidity with average of 83% is anticipated, the maximum being 96% at 8 PM and 57% being its lowest at 12 AM. Barometric pressure is its highest of 30.18inHg at 11 PM, a lowest point of 29.95inHg at 3 AM with an avg 30.04inHg.
La Salle, IL Weather – 9-16 – Light Rain Shower
68° / 63°
Light Rain Shower
In La Salle, it will rain at times with highs near 68°F and lows around 63°F. The chance of rain is 89% with an estimated 0.26in. Winds will be light at 9mph and gusts of 17.5mph at 4 AM. High humidity with average of 91% is anticipated, the maximum being 99% at 10 PM and 83% being its lowest at 1 PM. Barometric pressure is its highest of 30.32inHg at 11 AM, a lowest point of 30.19inHg at 12 AM with an avg 30.25inHg.
La Salle, IL Weather – 9-17 – Scattered Showers
73° / 65°
Scattered Showers
Daytime highs will reach 73°F with lows dropping to 65°F in La Salle, where showers likely at times. The chance of rain is 91% with an estimated 0.35in. Winds will be light at 9mph and gusts of 16.3mph at 2 PM. High humidity with average of 92% is anticipated, the maximum being 99% at 1 AM and 82% being its lowest at 3 PM. Barometric pressure is its highest of 30.26inHg at 12 PM, a lowest point of 30.19inHg at 5 PM with an avg 30.23inHg.
La Salle, IL Weather – 9-18 – Scattered Showers
78° / 64°
Scattered Showers
In La Salle, on and off showers are set to occur with highs near 78°F and lows around 64°F. There's a moderate 34% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 12mph on average and gusts of 30.2mph at 11 PM. High humidity with average of 85% is anticipated, the maximum being 95% at 7 AM and 77% being its lowest at 12 PM. Barometric pressure is its highest of 30.23inHg at 12 AM, a lowest point of 29.95inHg at 11 PM with an avg 30.11inHg.

Currently

Partly Cloudy 60°F
30.17 inHg.
Barometer
64%
Humidity
NNE 11.5 mph
Wind
Partly Cloudy

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