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Sun into Mon will feature a true winter-like air mass, with a decent chunk of the area seeing their first snowflakes of the season Sunday, & then the potential for accumulating snow & winter driving conditions near Lake Michigan Sun night into Mon. Stay tuned! #ILwx #INwx (2/2)

Following a period of rain showers tonight-early Fri, the rest of Fri will be mild & breezy. Another system will bring rain late day Sat through the evening, possibly mixing with or changing to wet snow for parts of the area before ending as colder air arrives. #ILwx #INwx (1/2)

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Active Period of Weather Ahead. Sub Headline: Rain returns tonight and again on Saturday followed by much colder temperatures and possibly some snow. Additional Details. Rain/Snow Mix Possible Saturday night into Sunday. Rain Saturday may mix with and/or become all snow Saturday night into Sunday AM if cold air arrives quickly enough. Little to no accumulation expected. Lake Effect Snow Sunday through Monday. Lake effect snow to develop Sunday through Monday and may result in some accumulation. Significant uncertainty remains in where the lake effect will set up and how much snow accumulates. Stay Tuned for Updates! Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Thursday, November 6, 2025 3:45 AM CST

Dry conditions prevail today before rain returns tonight into Fri AM along with breezy winds. More periods of precipitation are expected Sat-Mon mainly in the form of rain but some snow could mix in as much colder air arrives Sat night. Cold air lingers into next week #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Forecast. Sub Headline: Much colder temperatures Sunday into early next week; first snowflakes of this season likely for some too. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Wednesday, November 5, 2025 2:31 PM CST

Dry and seasonable weather will continue Thu, before rain develops Thu night into Fri AM. Another round of rain is likely late Sat into Sun, and may mix with or transition to snow by daybreak Sun. The coldest air of the season thus far is forecast to arrive Sun.

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Much colder temperatures Sunday into early next week, First snowflakes this season possible too. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Wednesday, November 5, 2025 3:21 AM CST

A couple more dry and breezy days in store for today and Thu before rain chances return Thu night into Fri. Another bout of rain is likely late Sat through Sun where a few snowflakes may mix in. The coldest air of the season so far arrives Sun into early next week. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Breezy and Seasonable through Midweek, then Rain Returns. First Flakes of Season Sat Night-Sun? Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Tuesday, November 4, 2025 1:33 PM CST

Breezy, dry and seasonable weather is expected through mid-week. Rain chances return Thursday night into Friday, and again Saturday afternoon into Sunday. The first snowflakes of the season may mix in with rain in spots by early Sunday morning. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Forecast. Sub Headline: Breezy and Seasonable Conditions Through Midweek, Rain Returns Thursday Night into Friday Morning. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Tuesday, November 4, 2025 3:17 AM CST

Dry, seasonable, and breezy conditions will prevail through midweek. Rain chances return Thursday night into Friday morning followed by another chance for rain on Saturday into Sunday. Much cooler temperatures are forecast to close out the weekend into next week. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Seasonable Conditions Prevail; Next Good Opportunity for Rain Thursday Night into Friday Morning. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Monday, November 3, 2025 12:48 PM CST

Dry, occasionally breezy but seasonable weather will persist through midweek. Our next opportunity for rain arrives Thursday night into Friday morning, with another chance later Saturday into Saturday night. #ilwx #inwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Seasonable Conditions Prevail; Next Good Opportunity for Rain Thursday Night into Friday Morning. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Monday, November 3, 2025 12:48 PM CST

Dry, occasionally breezy but seasonable weather will persist through midweek. Our next opportunity for rain arrives Thursday night into Friday morning, with another chance later Saturday into Saturday night.

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Work Week Forecast. Sub Headline: Seasonable Conditions Prevail, The Next Opportunity for Rain Thursday Night into Friday Morning. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Monday, November 3, 2025 3:39 AM CST

Mostly dry and seasonable conditions will prevail through much of the week. Though the combination of breezy winds and dry vegetation will make for a heightened fire danger today. Our next opportunity for rain arrives Thursday night into Friday morning. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Seasonable Conditions Continue. Sub Headline: The Next Opportunity for Rainfall Arrives Thursday Night. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Sunday, November 2, 2025 4:01 PM CST

Seasonable fall weather will continue through at least the middle of the week. Outside a few sprinkles tonight, the next chance for rainfall will arrive Thursday night. #ILwx #INwx

Headline: Dense Fog and Freezing Fog Threat. Sub Headline: Conditions will improve through mid morning.What to expect: Pockets of Fog and Freezing Fog with localized visibilities under one quarter mile resulting in sharply reduced visibility, hazardous travel, and some slippery spots on bridges and overpasses. When: Through 10 AM CST. Where: Densest fog near and south of I-80 in Illinois and across parts of western Lee, Ogle, and Winnebago counties. What to do: allow for extra travel time, slow down, increase following distance, and use low beams. Graphic Created: Sunday, November 2, 2025 6:30 AM CST

[6:32 AM CST 11/2/2025]: Pockets of dense fog will continue this morning, with conditions improving through mid morning. #ILwx #INwx

Headline: Dense Fog and Freezing Fog Threat. Sub Headline: Graphic valid through 7 AM CST 11/2: Fog threat will extend beyond this time!. What to expect: Pockets of Fog and Freezing Fog with localized visibilities under one quarter mile resulting in sharply reduced visibility, hazardous travel, and some slippery spots on bridges and overpasses. When: Through 10 AM CST. Where: Most widespread fog currently across La Salle, Kendall, Grundy and parts of SW Lee counties. Pockets of dense fog may continue to develop eastward this morning. What to do: allow for extra travel time, slow down, increase following distance, and use low beams. Graphic Created: Sunday, November 2, 2025 3:10 AM CST

[3:15 AM CST 11/2]: Pockets of dense fog and freezing fog will continue to develop. Use caution if out traveling this morning. Any dense fog threat will end by 10 AM. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Four Day Outlook. Sub Headline: Mostly dry and seasonably mild. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Sunday, November 2, 2025 1:45 AM CST

Areas of morning fog will clear, leading to mostly sunny/partly cloudy conditions today. Mainly dry and seasonably mild conditions are in store during the upcoming week. #ILwx #INwx

This is a four forecast graphic for northern Illinois and northwest Indiana. Headline: Four Day Outlook. Sub Headline: A few showers around the lake tonight; mostly dry and seasonably mild for upcoming work week. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Saturday, November 1, 2025 2:52 PM CDT

A few showers are expected this evening, especially around the lake. Expect quiet conditions tomorrow with highs in the lower to mid 50s. #ilwx #inwx

Headline: October 2025 Review. Sub Headline: Maps courtesy of the High Plains Regional Climate Center. Details: This past October featured warmer temperatures and drier conditions around northern IL and northwest IN than the typical October. Graphic Created: Saturday, November 1, 2025 12:42 PM CDT

This past month featured warmer temperatures and drier conditions around northern IL and northwest IN than the typical October. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Today through Wednesday. Sub Headline: Seasonable Temperatures and a Few Chances for Showers. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Saturday, November 1, 2025 4:08 AM CDT

Isolated to scattered showers are expected this afternoon and evening mainly north of I-88 and near the lake. Seasonable temperatures will continue into next week. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Quintessential Fall Pattern to Prevail. Sub Headline: Seasonable Temperatures and Occasional Opportunities for Showers. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Friday, October 31, 2025 3:33 PM CDT

A quintessential fall pattern will prevail with seasonable temperatures and occasional opportunities for showers. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Showers possible at times this afternoon through Saturday. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Friday, October 31, 2025 3:37 AM CDT

A few showers are possible this afternoon and evening, although most will stay dry. Somewhat higher shower chances (40-50%) exist on Saturday, mainly north of I-80. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Showers Possible at times late Friday through Saturday. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Thursday, October 30, 2025 4:28 AM CDT.

Seasonable conditions will persist as we transition into the start of November. Rain showers will be possible at times late Friday through Saturday. #ILwx #INwx

Headline: Dense Fog in Some Areas This Morning. Sub Headline: Graphic valid through 10:00 AM CDT 10/30/2025. What To Expect: Areas of Fog. 1/4 mile visibility in many locations. Potential Impacts: Sudden changes in visibility. Hazardous travel. Slowed Morning Commute. Through 10 AM CDT. Portions of Interior Northern Illinois. What To Do: Plan for extra travel time. Slow down, increase following distance, use low beams. Visit weather.gov/chicago for the latest forecast updates. Graphic Created: Thursday, October 30, 2025 8:07 AM CDT

Fog with visibility down to 1/4 mile in some locations will persist through mid-morning in areas near and west of the Fox Valley. Be prepared for sudden changes in visibility when driving through these areas. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Light Showers Possible Friday Night and Saturday. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Thursday, October 30, 2025 4:28 AM CDT.

Seasonable conditions will persist to close out October and start November. Some sprinkles or light rain showers are possible Friday night and Saturday. #ILwx #INwx

Headline: Patchy Fog Early This Morning. Sub Headline: Graphic valid through 9:00 AM CDT 10/30/2025 What To Expect. Patchy Fog. Some locally dense with visibility ≤ 1/4 mile. Potential Impacts. Sudden changes in visibility. Hazardous travel. Slowed Morning Commute. When: Through 9 AM CDT. Where: Interior Northern Illinois. What To Do. Plan for extra travel time. Slow down, increase following distance, use low beams. Visit weather.gov/chicago for the latest forecast updates. Graphic Created: Thursday, October 30, 2025 4:45 AM CDT.

Fog has begun to develop across interior northern Illinois early this morning, some of which may become locally dense. Be prepared for sudden changes in visibility through part of the morning commute, including in the northwest suburbs. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Outlook through the Weekend. Sub Headline: Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Wednesday, October 29, 2025 2:54 PM CDT

Relatively quiet weather conditions are in store for the area as we transition from October to November. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Outlook through the Weekend. Sub Headline: Breezy conditions today. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Wednesday, October 29, 2025 4:21 AM CDT

Expect breezy conditions today. Otherwise, relatively quiet weather conditions are in store for the area as we transition from October to November.

This is a four day forecast graphic for northern Illinois and northwest Indiana. Headline: Four Day Outlook. Sub Headline: Seasonable weather for the end of October and the start of November. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Tuesday, October 28, 2025 3:40 PM CDT

Periodic light rain for locations west of a Rockford to Fowler, IN line thru tonight, followed by a breezy Wednesday area-wide. Expect seasonable close to Oct & start of Nov. Trick or treating forecast for Friday: Dry, temps in 50s dropping into 40s after sunset. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Rain Chances Away from Chicago Metro Today; Breezy on Wednesday. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Tuesday, October 28, 2025 4:47 AM CDT

Rain will shift across western and central Illinois through tonight. Breezy conditions are then in store for Wednesday. Expect temperatures to remain around normal for late October into early November.

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Rain chances return mid-week, though mainly west of I-39 and south of I-80. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Monday, October 27, 2025 1:29 PM CDT

Skies will become partly cloudy tonight, with lows in the 40s. A passing storm system will bring rain chances to the area late Tue thru Wed, though best potential is west and south of the Chicago metro. Seasonable temps continue thru the end of the month. #ILwx #INwx

This is a multiday forecast graphic for northern Illinois and northwest Indiana. Headline: Five Day Outlook. Sub Headline: Rain chances return midweek, though some areas may stay completely dry. Visit weather.gov/Chicago for more forecast details for your location. Graphic Created: Monday, October 27, 2025 4:55 AM CDT

Mostly sunny skies today with highs in the mid 50s to lower 60s. A passing storm system will bring rain chances to the area midweek, though the better potential exists mainly west and south of the Chicago metro. Seasonable temps continue through the end of the month. #ILwx #INwx