NWS Chicago

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@NWSChicago

Official X account for the National Weather Service Chicago.
Details: weather.gov/nws_x

Romeoville, IL weather.gov/chicago Joined July 2012

1K Following 213K Followers 51K Posts

Latest posts 5

NWS Chicago @NWSChicago 10h

Heads up! The lake effect showers have produced 1-2 inches of rain across portions of Lake County, IN and far eastern Cook County. With additional rain up to 1 inch possible, a Flood Advisory has been issued until 9 AM Sat. Be on guard for ponding in low-lying areas. #INwx

Map showing a Flood Advisory in effect for northern Lake County, IN and far eastern Cook County until 9 AM Saturday.

NWS Chicago @NWSChicago 10h

Lake effect rain showers will continue through Sat AM, mainly in northwest IN. While some snow may mix in again tonight, the above freezing surface temps will prevent any accumulations. Otherwise, expect dry and seasonable conditions through the middle of next week. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Four Day Outlook. Sub Headline: Lake effect showers to continue through Saturday morning before dry weather returns. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Friday, November 13, 2026 1:23 PM CST

NWS Chicago @NWSChicago 16h

Lake effect rain & snow will continue to stream into NW IN off Lake Michigan this morning. Some areas will see rain change to all wet snow at times, w/some slushy accums possible, mainlyon grassy surfaces. Webcam image below is from near Crown Point from 511in.org

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NWS Chicago @NWSChicago 20h

[3:30 AM CST 11/13/2026] A period of lake effect precipitation will occur through Saturday AM. Precipitation will transition to snow or a rain/snow mix this AM, but any slushy accumulations are expected to be confined mainly to areas near the IL/IN state line. (1/2)

Headline: Lake Effect Rain and Snow Today/Tonight. Sub Headline: Approximate Timing and Precipitation Type. Through This Morning: Lake effect band focuses near IL/IN state line/NE IL shore. Spotty snow showers may push west towards the Fox Valley at times. Main area of localized slushy accumulations in yellow-highlighted area near the IL/IN state line and north of the Kankakee River. This afternoon: Lake effect continues, but precip type returns to mainly rain as temperatures warm. Tonight: Lake effect shifts mainly into NW Indiana. Transitions back to wet snow into early Saturday morning. Localized slushy accumulations up to an inch. Graphic Created: Friday, November 13, 2026 2:25 AM CST

NWS Chicago @NWSChicago 1d

Bands of lake effect rain are settling along the Illinois and Indiana border and will change to snow overnight. Localized snow accumulations will lead to slippery travel conditions during the Friday morning commute.

NWS Chicago @NWSChicago 1d

Here's a look at approximate timing of lake effect showers expected tonight through Friday night. Snow will mix in at times, especially late tonight into Friday morning. The band begins to focus mainly into northwest Indiana Friday night into early Saturday. #ILwx #INwx

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