10 AUGUST 2010 EXTENDED FORECAST
HEAT INDEX WILL BE IN THE 3-DIGITS THRU THURSDAY..........
MORNING SHOWERS WILL END - THEN SEE ANOTHER ROUND OF TSTORMS AGAIN LATE TONITE AND INTO WEDNESDAY MORNING.....WE'LL SEE A SHORT REPRIEVE FROM THE RAINFALL FROM WED AFTERNOON TO THURSDAY - BUT THE HEAT INDEX WILL REMAIN HIGH AS THE HUMID AIRMASS JUST WON'T BUDGE.....
A COLD FRONT (YES A COLD FRONT) WILL DEVELOP OVER NORTH AND SOUTH DAKOTA LATE TONIGHT AND BEGIN A VERY SLOW PUSH SOUTHWARD - PUSHING INTO NW IOWA BY LATE THURSDAY.
EXPECT THE FRONT TO CONTINUE SOUTHEAST INTO CENTRAL IOWA BY FRIDAY AFTERNOON.....TSTORMS WILL DEVELOP OUT AHEAD OF THE FRONT - COMBINING WITH THE IN-PLACE WARM/HUMID AIR EXPECT SEVERE TSTORMS IN POW COUNTY BY LATE AFTERNOON/EVENING. ISOLATED TSHOWERS WILL PERSIST THRU THE EARLY MORNING HOURS SATURDAY......
AFTER COLD FRONT PASSAGE LATE FRIDAY, WEAK CANADIAN HIGH PRESSURE WILL BUILD INTO IOWA FOR THE WEEKEND - FINALLY TAKING OUR TEMPS/HUMIDITIES BACK TO NEAR/OR EVEN ABIT BELOW NORMAL. GREAT WEEKEND FOR THE FAIR!!!
TODAY 10TH - MORNING SHOWERS - THEN PARTLY TO MOSTLY CLOUDY - HUMID/TEMP NEAR 90 - TSTORMS REDEVELOP OVERNITE
WEDNESDAY/THURSDAY 11TH/12TH - WED MORNING TSHOWERS - THEN CLEARING - HUMID/TEMPS NEAR 90
FRIDAY 13TH - MOSTLY CLOUDY WITH TSTORMS LATE AFTERNOON (POSSIBLY SEVERE STORMS) - TEMP NEAR 90
SATURDAY 14TH - TSHOWERS ENDING EARLY MORNING - THEN PARTLY CLOUDY - TEMP MID 80'S - NW WIND 10-20MPH
SUNDAY 15TH - PARTLY CLOUDY - TEMP LOW 80'S
MONDAY/TUESDAY 16TH/17THTH - TSHOWERS MONDAY - THEN PARTLY CLOUDY TUESDAY - TEMPS NEAR 80
WEDNESDAY/THURSDAY 18TH/19TH - PARTLY CLOUDY - GUSTY SOUTH WINDS - TEMPS MID/HIGH 80'S
AFTER THE 19TH?
UNSETTELED WEATHER FOR 5 TO 6 DAYS............
PARTLY TO MOSTLY CLOUDY - TEMPS NEAR AVERAGE - ABOVE AVERAGE RAINFALL.
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