Daytime heating may produce scattered active or severe thunderstorms Tuesday afternoon and evening.
Unseasonable warmth continues with afternoon highs returning to the 80s for a third consecutive day and an eighth day of 80s this month. Sunshine mixed with clouds amid steady southwest winds 12 to 22 mph and gusty past 25 mph at times. Areal coverage of afternoon thunderstorms may increase to 30 to 40 per cent of the metro area. Several of the day's stronger storms may produce powerful wind gusts which necessitate scattered severe weather warnings Tuesday afternoon highs nearly 14-degrees above normal. Mostly cloudy and mild Tuesday night. A few shower of thunderstorms early then again in Wednesday pre-dawn hours.
Cloudy, not as warm.
Several clusters of showers and thunderstorms, a few of the heaviest capable of downpours. Rain becoming steadier Wednesday night. Turning windy and cooler late with winds shifting northeast and increasing 11 to 23 mph by Thursday morning.
Blustery and much cooler.
Rain in the morning; more sporadic showers or some sprinkles may give way to some cloud breaks late in the day. Gusty northeast to north winds 12 to 26 mph and gusty 30+ mph at times. Temperatures more than 20-degrees cooler with lakeside temperatures lowering to the mid or upper 40s. Clouds break and diminish Thursday night, colder. Frost patches possible at colder locations well inland. Lows ranging from the low 30s inland to the mid 40s Chicago lakeshore.
Mostly sunny, cool for the season.
Clouds begin increasing Friday afternoon -- a trend which continues Friday night. Light east to southeast winds Friday produce high temperatures ranging from the upper 50s and low 60s lakeshore locations and area beaches to 65 at O'Hare and near 70 well inland.
Increasing cloudiness, breezy.
A rain shower or two possible later Saturday ¿but a better chance for rain arrives Saturday night when scattered thunderstorms develop as well. Southeast to east winds 8 to 18 mph.
Extensive cloudiness, breezy and comparatively cool for the season.
Several clusters of showers and thunderstorms possible. Up to 40 per cent of the metro area may be affected. Southeast winds 10 to 22 mph.
(Memorial Day): Clouds and some mixed sun, breezy.
A continuing chance for clusters of showers and thunderstorms. Southeast to south winds 11 to 22 mph and gusty.