Friday Zone 6 & 7 Forecast Discussion, Cold Air & Snow. JT.

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Forecast Discussion:

EVENING – TONIGHT: Clouds and some snow are in place across the region thanks to a weak front to the north and a still exiting upper level piece of energy.

nw

Through the evening clouds with perhaps some sunshine will continue across zones 6 and 7. With the front moving through to the regions east along with some steep upper level in eastern portions of the zones I won’t totally rule out a few isolated to widely scattered snow showers in eastern Illinois.

5pm

Winds this evening will be strong at times with gusts up to 30-35 MPH possible.

This evening into the overnight an area of high pressure will move into the region from the northwest. This will dry the environment out and clouds will give way to clear skies late this evening into the overnight.

10pm

Lows overnight will be in the single digits to middle teens.

Winds overnight will remain gusty at times, reaching 25-35 mph. With strong winds and cold temperatures wind chills will be brutal. By 7-8 AM wind chills will be below zero!

windchill

SATURDAY: High pressure will remain in place through the day. While there will be some sunshine, overall it looks like a partly to mostly cloudy day.

sathigh

Winds will be gusty to start the day, but will slack off through the morning hours on Saturday.

However, temperatures will remain cold with highs only in the mid-teens north to mid-20’s south. However, it will still feel more like the single digits to low teens.

Saturday night snow will start to enter zone 7 and perhaps northern zone 6 around 1-2 AM. This looks to be light in nature, but will be the leading band of more snow that will be closer to the area of low pressure to regions northwest.

Through the overnight and into the morning hours Sunday the low will move closer to the region and some snow will start to spread in from the northwest. Times of heavier snow will be possible early Sunday morning.

sun4am

It looks by late morning into early afternoon Sunday there will be a bit of a lull in activity. At this time snowfall rates will likely decrease or perhaps stop entirely for a short period of time.

By early to mid-afternoon Sunday the area if low pressure will move in from the northwest. As it does the snow will pick back up across zones 6/7 from west to east. Times of intense snow will be possible Sunday afternoon.

sun1pm

Highs on Sunday will be in the low 20’s to low 30’s.

Sunday afternoon into Monday morning wind gusts of 20-30 MPH will be possible, so blowing and drifting snow will be a concern as well.

Sunday evening into Sunday night snow will continue across the zones. This snow will start to lighten up as we get more towards midnight.

sun7pm

Overnight snow will start to taper off from west to east across the forecast area. However, with some low-level moisture in place, some light snow showers and flurries will be possible until 7-8 AM Monday.

Lows overnight will be in the 20’s.

Right now current thinking for snowfall would be more along the lines of the 12z NAM with 2-4” possible from the I-70 area northward. With 1-2” south of there. Again, this is something we will have to fine-tune as more data becomes available.

12z NAM
12z NAM

** While models have backed off of the southern winter storm system for Monday, I do not want to fail to mention that I think the threat is still there. Right now modeling is not handling the overall synoptic situation all that well. So while confidence in a southern storm system is growing lower, it is still not completely out of the realm of possibility and will mention it in the forecast discussion for now. We will continue to watch data and bring you updates on that as needed. **

MONDAY – TUESDAY: The snow looks to move out of the region on Monday afternoon. As it does the rest of Monday will remain quiet.

Late Monday night into Tuesday another clipper will come in from the northwest. This will have the chance to bring another quick shot of snow with it. However, temperatures south of the low may be supportive of a rain/snow mix or even an all rain event. This is something we will have to iron out as we get closer to next Tuesday.

tue

There will not be a video today, but Chief Meteorologist Michael Clark will be in the office this weekend brining you updates on the snow as they are needed.

7 DAY FORECAST

SATURDAY: MOSTLY SUNNY, WINDY, AND COLD. HIGHS IN THE MID TEENS NORTH TO MID 20’S SOUTH. NORTHWEST WINDS AT 5-15 MPH, GUSTING TO 25-35 MPH.

SATURDAY NIGHT: INCREASING CLOUDS, SOME SNOW SHOWERS LATE, ESPECIALLY WEST. LOWS IN THE SINGLE DIGITS NORTH TO MID 20’S SOUTH.

SUNDAY: MOSTLY CLOUDY, SNOW LIKELY. HIGHS IN THE LOW 20’S NORTH TO LOW 30’S SOUTH. SOUTHEAST WINDS AT 6-12 MPH, GUSTING TO 20 MPH.

SUNDAY NIGHT: CLOUDY, SNOW LIKELY. LOWS IN THE UPPER TEENS NORTH TO UPPER 20S SOUTH. ACCUMULATION POSSIBLE.

MONDAY: CLOUDY, SNOW POSSIBLE? HIGHS IN THE UPPER 20’S TO AROUND 40 SOUTH. ACCUMULATION POSSIBLE. SOUTHERLY WINDS AT 5-15 MPH, GUSTING TO 25 MPH.

MONDAY NIGHT: PARTLY CLOUDY. LOWS IN THE 20’S

TUESDAY: PARTLY TO MOSTLY CLOUDY, RAIN AND/OR SNOW POSSIBLE WEST. HIGHS IN THE MID 30’S TO MID 40’S. NORTHWEST TO WEST WINDS AT 5-15 MPH.

TUESDAY NIGHT: CLOUDY WITH A CHANCE OF SNOW SHOWERS. LOWS IN THE 20’S.

WEDNESDAY: CLOUDY WITH A CHANCE OF SNOW. HIGHS IN THE LOW 30’S NORTH TO NEAR 40 SOUTH.

WEDNESDAY NIGHT: MOSTLY CLOUDY WITH LOWS IN THE MID TEENS TO UPPER 20’S.

THURSDAY: MOSTLY SUNNY WITH HIGHS IN THE MID 30’S TO UPPER 40’S.

THURSDAY NIGHT: INCREASING CLOUDS, CHANCE OF SNOW AND/OR RAIN SHOWERS. LOWS IN THE MID 30’S TO LOW 40’S.

FRIDAY: MIX OF CLOUDS AND SUNSHINE, WARMER. HIGHS IN THE MID 50’S TO MID 60’S POSSIBLE.

FRIDAY NIGHT: PARTLY CLOUDY. LOWS IN THE MID 40’S TO LOW 50’S.