Local weather forecast

Weather in La Salle, IL

Updated 2026-08-11 12:00 local time · ZIP codes 61301

Light drizzle
Now72°F

Light drizzle

High / Low89° / 74°
Rain chance48%
Wind6 mph
Weather alerts

Active alerts

2
Flood Advisory issued August 11 at 9:32AM CDT until August 11 at 1:30PM CDT by NWS Chicago IL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Boone County in north central Illinois... De Kalb County in north central Illinois... Northern La Salle County in north central Illinois... Lee County in north central Illinois... Ogle County in north central Illinois... Southern Winnebago County in north central Illinois... * WHEN...Until 130 PM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 931 AM CDT, Doppler radar and automated rain gauges indicated a line of intense thunderstorms with rainfall rates of 2 to 3 inches per hour moving through the area. Localized flooding of roadways and poor drainage areas will occur shortly after the onset of rainfall. - Some locations that will experience flooding include... Rockford, DeKalb, Belvidere, Loves Park, Machesney Park, Ottawa, Sycamore, Dixon, Rochelle, Sandwich, Mendota, Poplar Grove, Genoa, Byron, Oregon, Mount Morris, Amboy, Polo and Sheridan. - http://www.weather.gov/safety/flood

Safety instructions

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.

Flood Advisory issued August 11 at 9:59AM CDT until August 11 at 2:00PM CDT by NWS Chicago IL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northern Grundy County in northeastern Illinois... Kane County in northeastern Illinois... Kendall County in northeastern Illinois... * WHEN...Until 200 PM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 959 AM CDT, Doppler radar and automated rain gauges indicated a line of intense thunderstorms with rainfall rates of 1 to 2 inches per hour moving into the area. Localized flooding of roadways and poor drainage areas will occur slightly after the onset of rainfall. - Some locations that will experience flooding include... Aurora, Elgin, Carpentersville, St. Charles, Oswego, Algonquin, Batavia, Huntley, Geneva, Yorkville, Morris, Channahon, Campton Hills, Minooka and Plano. - http://www.weather.gov/safety/flood

Safety instructions

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.

Hourly

Next hours

NowLight drizzle72°42% rain
1 PMPatchy rain nearby84°24% rain
2 PMSunny89°5% rain
3 PMPatchy rain nearby86°19% rain
4 PMPatchy rain nearby86°26% rain
5 PMPatchy rain nearby85°19% rain
6 PMPatchy rain nearby83°18% rain
7 PMSunny81°8% rain
8 PMSunny78°14% rain
9 PMClear77°17% rain
10 PMClear76°12% rain
11 PMClear75°19% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
89° 74°Sunny
Rain 48%Gust 11 mph
Tomorrow2026-08-12
Sunny
81° 69°Sunny
Rain 85%Gust 19 mph
Thursday2026-08-13
Mist
81° 66°Mist
Rain 80%Gust 7 mph
Conditions

Weather details

Feels like76°F
Humidity94%
Pressure29.91 inHg
Visibility10 mi
Wind6 mph S
Wind gusts10 mph
Precipitation0.02 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:01 AM
Sunset08:01 PM
Moonrise04:00 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 42% over the next 12 hours.

Light layers should work

It feels like 76°F with winds near 6 mph.

Best window: 7 PM

81°F, 8% rain chance and 8 mph wind.

Allow a little extra driving time

Visibility is around 10 mi; gusts may reach 15 mph.

Run with a few weather adjustments

Current temperature is 72°F, wind 6 mph, rain chance up to 42%.

Low UV protection needs

UV index is 2.

La Salle weather today

Light drizzle and 72°F in La Salle, IL. Today's high is 89°F with a 48% rain chance. Winds are around 6 mph with gusts near 10 mph. Relative humidity is 94%, pressure is 29.91 inHg, and visibility is about 10 miles.

Tonight and tomorrow in La Salle

Sunrise is at 06:01 AM and sunset is at 08:01 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 69°F. The maximum rain chance is 85%.

Nearby

Weather near La Salle

Illinois

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