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.
Thunderstorms may threaten outdoor activities each day through Saturday
Due to a cable line issue, the National Oceanic and Atmospheric Administration's weather radios are currently out of service throughout Oklahoma.
Lifeguards along the East and Gulf coasts are preparing to deal with one of the greatest beach dangers: rip currents.
A dangerous and life-threatening flooding situation will continue into Memorial Day, across portions of Texas, Oklahoma, Kansas, Arkansas and Missouri.
Showers and thunderstorms threaten to interfere with Memorial Day festivities across more than half of the United States.
Morden, Manitoba (1933)
Flash flood washes away bridges, ruined crops, and killed livestock.
Udall, KS (1955)
This town 25 southeast of Wichita was destroyed by a tornado; 80 people dead.
New York, NY (1979)
A one-hour and 18 minute delay between the Pirates and Mets game due to fog.