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Heat climate and heavy rain might trigger flooding

13 Janvier 2018

"Snow accumulations will be heavy at times with valleys possibly picking up 4" - 8" and mountain passes 10" - 16".

A chance of rain today with a slight chance of drizzle before noon, then a chance of rain after noon.

Today: Areas of fog before noon. Otherwise, cloudy, with a high near 56.

Just to show you how much the temperatures will fluctuate over the next several days, check out the roller coaster highs we're expecting.

It will warm up to a balmy 60 degrees at about 2 p.m. Thursday. Winds will remain breezy though, contributing to wind chills in the single digits and teens. South wind 9 to 13 miles per hour. There is a 50 percent chance of rain before 9 a.m. Saturday.

Forecasters warned of rapidly changing temperatures: temperatures were expected to plummet in northeast regions that previously experienced rain, enhancing the dangers of ice and winter conditions.

A powerful cold front is bringing below freezing temperatures as it sweeps through eastern Iowa and western IL.

If you have to travel Friday, please use extreme caution, especially in the morning. Even a small amount of ice will create hard travel conditions for the area into Friday morning's commute. However, it should turn to snow by the afternoon.

The best chance for icing will be across interior sections of the state that will see temperatures drop below freezing earlier Saturday morning while the heavier precipitation is still moving through. Gusts of 30 miles per hour are possible.

"Ice accumulations up to.2" are possible until mid morning.

A flood warning was posted for Mercer County until 8:30 am where more than two inches of rain was expected.

On Thursday night, the National Weather Service says, there will be a glazing of ice and dusting of snow.

Friday should be sunny, with a high near 19 and north winds around 15 miles per hour, gusting as high as 25 miles per hour, and producing wind chill values of 5 below to 5. Mostly cloudy, with a high near 31.

Sunday: Mostly sunny, with a high near 26. There will be opportunities for a bit of snow each day as clippers race across the area. Mostly cloudy, with a high near 32.

GFS model simulation shows rain over the region at 1 a.m. Saturday. Saturday and Sunday, a chinook will warm things up a bit, and we'll have some warmer temperatures into next week.

Tuesday, a chance of snow showers. Mostly cloudy, with a high near 26.

Heat climate and heavy rain might trigger flooding