The current mild weather pattern will continue through Thursday, as temperatures will remain well above average for the third week of February.
The morning commute on Thursday could be slowed due to icy roads, as early morning rain will freeze on paved surfaces that will be below freezing.
Warmer air will surge northward during the day and temperatures will approach 50 degrees in the afternoon.
Roads will become wet by midday, as waves of rain will move through Chicagoland during the day. The rain could be accompanied by lightning and rumbles of thunder.
However, rain, snowmelt and frozen ground will combine to create an increased threat for flooding, especially in low lying and poor drainage areas.
By the end of the week, temperatures will dip back into the 30s and then plummet to below freezing by Sunday. The colder pattern is likely to persist through much of next week.
A wet weekend is in store for the eastern United States as rounds of rain and thunderstorms move over the region.
Severe thunderstorms spawned tornadoes in major metropolitan areas, while wildfires raged in the West and flooding downpours persisted in the East.
As much of the West continues to be plagued by intense drought, the production of favorite and trendy foods may be more challenging for states operating in dry conditions.
A warmer weather pattern is forecast for much of the Central and Eastern states, while temperatures should throttle back in the Northwest during the middle of August.
Japan and South Korea face tropical floods into this weekend; the danger of a typhoon looms for next week.
Chicago, IL (1988)
100 degrees -- 7th day of 100 degrees or higher in 1088 -- an all-time record number.
Hurricane Erin crossed central Florida from the east with 50-70 mph wind gusts. 9.06" of rain fell in Melbourne. (An all time 24 hour record).
Erie, PA (2000)
1.75" diameter hail.