NWS Chicago

Aside from some showers south of I-80 this morning, dry conditions are expected today. However, rain and storm chances return tonight and will persist at times through early next week. Warmer temperatures will also prevail. #ILwx #INwx 🧵2/2

A line of storms will develop in IA this PM and move into northern IL and northwest IN after midnight. While storms should be weakening, a few strong to severe storms will be possible, especially west of the Fox Valley, with gusty winds and hail the main threat #ILwx #INwx 🧵1/2

A warmer, more humid, and stormier pattern is expected late Friday through early next week. Some storms may be severe in the region at times. #ILwx #INwx

Warmer weather is headed our way for the weekend. Periodic chances for rain and storms through early next week. #ILwx #INwx

A warmer, more humid, and stormier pattern is expected late Friday through early next week. Some storms may be severe in the region at times. #ILwx #INwx

A warming trend will commence today, though onshore winds will keep conditions cooler near Lake Michigan today. Chances of showers and storms increase this weekend, but there will be a lot of dry time. #ILwx #INwx

A warmer, more humid, and stormier pattern is expected Friday through early next week. Some storms may be severe in the region at times. #ILwx #INwx

A warming trend will commence tomorrow with incremental increasing chances for showers and storms. #ILwx #INwx

Dry conditions are expected through Thursday. There will be periods of showers and thunderstorms Friday through Sunday, though expect plenty of dry periods during this time.

Heads Up! A few isolated thunderstorms have developed along the I-80 corridor this evening. While widespread severe weather is not expected, these storms may produce locally gusty winds upwards of 50 mph in addition to frequent lightning. #ILwx #INwx

A cold frontal passage tonight (with showers & a few thunderstorms ahead of it this evening) will bring a modest cooldown for midweek, followed by a more pronounced warmup to summer-like temps by the weekend, accompanied by an occasional threat for thunderstorms. #ILwx #INwx

[10:16 AM CDT 5/12/2026] Gusty southwest winds through early this evening may lead to blowing dust near farm fields. Localized visibility reductions to < 1 mile will be possible, primarily in rural areas south of I-80 where a Blowing Dust Advisory is in effect. #ILwx #INwx

Expect plenty of wind over the next 24 hours, with the strongest winds to 40 mph this afternoon. Scattered showers are possible this afternoon followed by a chance of isolated strong storms early this evening. Seasonable weather is expected through the remainder of the week.

Seasonable weather is in store for the week. Expect windy conditions on Tuesday with increasing chances of showers and perhaps a thunderstorm through the day and into the evening.

Seasonable weather is in store for the week. Expect windy conditions on Tuesday with increasing chances of rain and thunderstorms through the day and into the evening.

Cooler temperatures will continue into Monday with highs in the upper 50s and 60s. Warmer and windy conditions then develop on Tuesday with a cold front bringing shower and thunderstorm chances back to the area. #ILwx #INwx

Cooler and dry weather is in store through Monday, before warmer and windy weather make a return ahead of an approaching cold front on Tuesday. Scattered shower and storm chances will increase with the cold front Tuesday afternoon and evening. #ILwx #INwx

Heads up a lake enhanced cold front is racing inland across northeast IL and northwest IN. Expect temperatures to drop from the low to mid-70s to upper 50s in about 30-60 minutes behind the front and for winds to turn northeasterly with gusts upwards of 30 mph. #ILwx #INwx

A somewhat cooler day is in store for Mother's Day tomorrow but with no rain in the forecast. Warmer with rain and storm chances returning to the area Tuesday. #ILwx #INwx

The combination of warm temps, dry conditions, and gusty winds will lead to an increased threat of fire spread thru early this eve across northern and portions of central Illinois. Limit activities that may cause sparks or involve open flames. #ILwx #INwx