Local weather forecast

Weather in Wilmette, IL

Updated 2026-09-26 11:45 local time · ZIP codes 60091

Overcast
Now63°F

Overcast

High / Low65° / 55°
Rain chance7%
Wind7 mph
Weather alerts

Active alerts

2
Flood Warning issued September 25 at 8:41PM CDT until September 28 at 7:00AM CDT by NWS Chicago IL

...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River near Russell affecting Lake IL County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...Until Monday morning. * IMPACTS...At 9.0 feet, Kilbourne Road and Emerald Avenue threatened near Grand Avenue in Gurnee. * ADDITIONAL DETAILS... - At 8:30 PM CDT Friday the stage was 8.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Friday was 8.3 feet. - Forecast...The river is expected to fall below flood stage early next week. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood

Safety instructions

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Saturday afternoon.

Flood Warning issued September 26 at 10:47AM CDT until September 28 at 1:00PM CDT by NWS Chicago IL

...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River near Russell affecting Lake IL County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...Until Monday afternoon. * IMPACTS...At 9.0 feet, Kilbourne Road and Emerald Avenue threatened near Grand Avenue in Gurnee. * ADDITIONAL DETAILS... - At 10:30 AM CDT Saturday the stage was 8.0 feet. - Recent Activity...The river crested yesterday and continues a gradual fall. - Forecast...The river is expected to fall below flood stage on Monday. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood

Safety instructions

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based almost entirely on observed precipitation as little to no additional precipitation is currently expected over the next 24 to 48 hours. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.

Hourly

Next hours

NowOvercast63°10% rain
1 PMOvercast64°10% rain
2 PMOvercast65°10% rain
3 PMOvercast64°10% rain
4 PMOvercast63°10% rain
5 PMOvercast62°10% rain
6 PMOvercast61°10% rain
7 PMOvercast59°10% rain
8 PMOvercast60°11% rain
9 PMOvercast60°12% rain
10 PMOvercast60°13% rain
11 PMOvercast61°15% rain
Forecast

3-day weather forecast

Today2026-09-26
Overcast
65° 55°Overcast
Rain 7%Gust 7 mph
Tomorrow2026-09-27
Overcast
68° 59°Overcast
Rain 12%Gust 7 mph
Monday2026-09-28
Sunny
71° 59°Sunny
Rain 4%Gust 7 mph
Conditions

Weather details

Feels like56°F
Humidity39%
Pressure30.22 inHg
Visibility6 mi
Wind7 mph E
Wind gusts8 mph
Precipitation0.00 in
UV index4
Daylight

Sunrise, sunset and moon

Sunrise06:42 AM
Sunset06:41 PM
Moonrise06:30 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour11 AM · 66°F
Coolest hour8 AM · 59°F
Highest rain chance6 AM · 24%
Strongest gusts2 PM · 18 mph
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 15%).

Light layers should work

It feels like 56°F with winds near 7 mph.

Best window: 2 PM

65°F, 10% rain chance and 7 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 18 mph.

Good conditions for an easy run

Current temperature is 63°F, wind 7 mph, rain chance up to 15%.

Moderate UV protection recommended

UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.

Local weather characteristics in Wilmette

Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.

Wilmette is part of the Midwest weather region. The forecast point is near 42.07°N latitude and 87.72°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Wilmette weather today

Overcast and 63°F in Wilmette, IL. Today's high is 65°F with a 7% rain chance. Winds are around 7 mph with gusts near 8 mph. Relative humidity is 39%, pressure is 30.22 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Wilmette

Sunrise is at 06:42 AM and sunset is at 06:41 PM. Tomorrow's forecast calls for Overcast with a high near 68°F and a low near 59°F. The maximum rain chance is 12%.

Nearby

Weather near Wilmette

Illinois

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