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  • Tim McGill

Say It Ain't Snow!

More snow that will stick is on the way for early Friday. The storm track may nudge north enough to give most of the Chicago area enough snow for some to at least scrape off cars and for others to shovel. Wednesday's snowfall actually set a record for the date. 1.7" fell yesterday at O'Hare breaking the old record of 1.5" set 40 years ago in 1980. We are now 1.6" above the average for snowfall in April. Even before this next snowfall this month ranks as the 30th snowiest April on record out of 134 Aprils going back to 1885..

So why not go for the April snowfall record? The GFS model is now laying out a swath of shovelable snow from the city and south. One to 2" possible for far northern suburbs, 2" to 4" in and around the city and western suburbs, with 3" to 6" along and south of the I-80 corridor.

Most of the snow will fall after midnight and into the rush hour period Friday morning. It could fall at the rate of 1" to nearly 2" an hour for a period of time. The models are showing a range of between one to 4 inches for O'Hare. It would take a bit more than 3" from this storm to push our April snowfall into the top ten heaviest total snowfalls for the month.

A winter weather advisory is in effect from 11 pm tonight until 1 pm Friday afternoon for western suburbs and from the city to southern suburbs. If the storm should move further north or intensify beyond what the models are currently showing a winter storm warning would probably be issued.

It's not just gloom and doom for our forecast. Models are signalling a gradual return to normal and eventually even above normal temperatures by the end of the month or early May. Highs will be near 60 for Saturday and Sunday.

The longer range 6-10 and 8-14 day outlooks that cover the period from April 21 through April 29 have less blue than before. That in itself is an improvement. The Chicago area is barely in the light blue area with a low probability of below average temperatures overall for the end of the month. Previous outlooks had a much darker shade and thus higher probability. It could signal a gradual end to this cool even cold pattern we have been in recently. Let's hope so.

Here is my 7 day forecast:

Today: Sunny then clouds build, snow develops overnight High: 45

Friday: A.M. snow, partly to mostly cloudy Low: 32 High: 45

Saturday: Partly mostly sunny, blustery Low: 29 High: 57

Sunday: A.M. light rain possible, partly to mostly sunny Low: 43 High: 59

Monday: Mostly sunny Low: 38 High: 58

Tuesday: Partly to mostly sunny Low: 39 High: 64

Wednesday: Partly to mostly cloudy, pm rain possible Low: 40 High: 61


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