19 MARCH EXTENDED FORECAST

NASCAR FORECAST - SUNDAY - BRISTOL TN........SHOWERS AND THUNDERSTORMS - TEMP 60

19 MARCH EXTENDED FORECAST

AN UPPER LEVEL DISTURBANCE WILL DEVELOP A LOW PRESSURE SYSTEM OVER SOUTH CENTRAL KANSAS. THIS WILL INTERACT WITH AN APPROACHING COLD FRONT AND BRING CHANCES FOR A WINTRY MIX OF PRECIPITATION TONITE AND INTO THE WEEKEND. AS THE STORM SYSTEM MOVES OFF TO THE EAST...COLD AIR WILL BE USHERED IN KEEPING TEMPERATURES BELOW NORMAL FOR THE WEEKEND.

A COLD FRONT IS CURRENTLY BISECTING IOWA NORTHEAST TO SOUTHWEST...COLDER AIR WILL BE SPILLING ACROSS THE AREA ON GUSTY NORTHWEST WINDS TODAY...BUT SUB-FREEZING AIR TEMPERATURES WILL LIKELY ONLY MAKE IT TO A MASON CITY-WATERLOO LINE BY LATE TODAY.

OUR WARM WEATHER WILL GIVE WAY TO WINTER WEATHER FRIDAY NITE AND SATURDAY JUST AS SPRING OFFICIALLY ARRIVES. A LOW PRESSURE SYSTEM WITH A TRAILING COLD FRONT WILL BRING COOLER AIR TO THE ENTIRE STATE OVER THE WEEKEND. RAIN AND SNOW WILL SPREAD FROM NORTHWEST TO SOUTHEAST FRIDAY. PRECIPITATION WILL BEGIN AS RAIN OVER CENTRAL IOWA THIS AFTERNOON BEFORE SWITCHING OVER TO SNOW LATE TONITE. EXPECT THE RAIN TO CHANGE OVER TO ALL SNOW BY MID NITE IN POW CTY WITH AN OCCASSIONAL MODERATE SNOW FALL RATE THRU EARLY MORNING. LT SNOW WILL PERSIST THROUGH THE REMAINDER OF SATURDAY WITH SNOWFALL AMOUNTS OF UP TO 4 INCHES IN POW CTY...WITH THE HIGHER AMOUNTS IN NORTHEAST AND SOUTH CENTRAL IOWA.......

TODAY - A.M. MOSTLY CLOUDY - AFTERNOON AND EVENING RAINSHOWERS/THUNDERSTORMS - WINDY - HIGH 45 - RAIN TOTAL 1/4 TO 1/2 INCH (SNOW MIXING WITH RAIN LATE)

FIRST DAY OF SPRING!!!!!!!!!!! SAT 20TH - BY MIDNITE: RAIN WILL CHANGE TO SNOW - A NARROW BAND OF LT TO MODERATE SNOW WILL DEVLEOP FROM THE NW AND MOVE SE ON A LINE WITH THE LEADING EDGE FROM LAMONI TO GRINNELL TO WATERLOO - EXPECT CONTINUOUS SNOW BAND TO MOVE THRU POW CTY BY MID MORNING......LT SNOW SHOWERS AND WINDY AFTERNOON.... (TOTAL SNOW ACCUMULATION: 3-4 INCHES).

SUN 21ST - MORNING SNOW SHOWERS - THEN MOSTLY TO PARTLY CLOUDY -WINDY - HIGH TEMP 37

MON AND TUES 22ND/23RD - PARTLY TO MOSTLY CLOUDY - HIGH TEMP 40

WED AND THURS 24TH/25TH - WIND AND RAIN SHOWERS - TEMPS LOW 50'S

FRI AND SAT 26TH/27TH - PARTLY CLOUDY - BECOMMING WINDY SATURDAY - TEMPS LOW 60'S

SUN AND MON 28TH/29TH - RAIN SHOWERS - TEMPS MID 60'S

THURS, APRIL 1ST - RAIN SHOWERS