THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER STORM WARNING FOR FREEZING RAIN... SLEET... AND SNOW... WHICH IS IN EFFECT FROM 6 AM MONDAY TO NOON CST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.
* TIMING... LIGHT FREEZING RAIN WILL DEVELOP ON MONDAY AND CONTINUE IN WAVES MONDAY NIGHT. THE FREEZING RAIN WILL OCCASIONALLY MIX WITH SLEET AND SNOW LATE MONDAY NIGHT AND TUESDAY MORNING AND EVENTUALLY CHANGE TO ALL SNOW TUESDAY EVENING. THE SNOW WILL END WEDNESDAY MORNING.
* ACCUMULATIONS... ICE ACCUMULATIONS BETWEEN 1/2 AND 3/4 INCH ARE LIKELY... WITH HIGHER AMOUNTS POSSIBLE. SLEET AND SNOW ACCUMULATIONS WILL RANGE FROM AROUND 3 INCHES ACROSS SOUTHWEST ILLINOIS TO 6 TO 12 INCHES IN PARTS OF WEST CENTRAL ILLINOIS AND EASTERN MISSOURI.
* WINDS... NORTHWEST WINDS OF 15 TO 25 MPH WILL GUST TO 40 MPH TUESDAY NIGHT AND WEDNESDAY.
* IMPACTS... SIGNIFICANT ICE ACCUMULATION AND GUSTY NORTHWEST WINDS MAY LEAD TO WIDESPREAD POWER OUTAGES. THE COMBINATION OF ICE... SLEET AND SNOW WILL MAKE ROAD CONDITIONS EXTREMELY DANGEROUS AND THIS COULD LIMIT TRAVEL FOR DAYS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TRAVEL WILL BECOME DANGEROUS ONCE THE FREEZING RAIN BEGINS. TRAVEL IS STRONGLY DISCOURAGED UNLESS IT IS AN EMERGENCY. AVOID ANY DOWNED POWER LINES AND BE READY IN CASE OF A LOSS OF POWER. UNTREATED ROADS AND BRIDGES... SIDEWALKS... AND PARKING LOTS WILL BE TREACHEROUS. ADDITIONALLY... 6 INCHES OR MORE OF SNOW IS EXPECTED ACROSS PARTS OF THE AREA. THE RAPID ACCUMULATION OF SNOW WILL MAKE TRAVEL EXTREMELY DIFFICULT... IF NOT IMPOSSIBLE. IF TRAVEL IS NECESSARY... MAKE SURE TO EXERCISE CAUTION. BEGIN YOUR TRAVEL WITH A TANK FULL OF GAS... AND CARRY A WINTER STORM KIT WHICH INCLUDES A SHOVEL... FLASHLIGHT... CELLPHONE... AND BLANKETS OF EXTRA WARM CLOTHING.
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.A WINTRY MIX OF PRECIPITATION... MOSTLY IN THE FORM OF FREEZING RAIN... WILL DEVELOP ACROSS THE AREA LATE TONIGHT INTO MONDAY AND CONTINUE IN WAVES THROUGH MONDAY NIGHT. THE PRECIPITATION WILL MIX WITH SLEET AND SNOW ACROSS CENTRAL AND NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS ON MONDAY AFTERNOON AND MONDAY NIGHT... BECOMING ALL SNOW AS COLDER AIR WRAPS INTO THE SYSTEM. FREEZING RAIN WITH A LITTLE SLEET WILL BE THE PREDOMINANT PRECIPITATION TYPE FURTHER TO THE SOUTHEAST ACROSS EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS. SLEET... SNOW... AND FREEZING RAIN WILL CONTINUE ON TUESDAY... WITH THE MIXED PRECIPITATION CHANGING TO ALL SNOW BY TUESDAY AFTERNOON.
THE GREATEST SNOWFALL AMOUNTS WILL LIKELY OCCUR ACROSS CENTRAL AND NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS... WHERE AMOUNTS IN EXCESS OF 12 INCHES WILL BE LIKELY. ICE ACCUMULATIONS IN EXCESS OF 3/4 INCH ARE LIKELY ACROSS EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS.
THE SNOW WILL END DURING WEDNESDAY MORNING BUT WINDS WILL INCREASE BEGINNING LATE TUESDAY AND CONTINUE THROUGH TUESDAY NIGHT AND WEDNESDAY AS THE STORM SYSTEM DEEPENS ACROSS THE OHIO RIVER VALLEY. BLOWING AND DRIFTING SNOW AS WELL AS AN INCREASED RISK OF DAMAGE AND POWER OUTAGES DUE TO THE ICE ACCUMULATION WILL LAST INTO WEDNESDAY MORNING.
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