29 JUNE 2010 EXTENDED FORECAST
HIGH PRESSURE CONTINUES TO DOMINATE THE WEATHER OVER THE NEXT FEW DAYS.........HIGH PRESSURE IS ANCHORED OVER THE GREAT LAKES GIVING ALL OF IOWA A WEAK EASTERLY FLOW, KEEPING HIGH TEMPS IN THE LOW TO MID 80'S, AND LOWS AT NIGHT NEARING 60 - WITH CLEAR TO PARTLY CLOUDY SKIES THRU-OUT THE ENTIRE MIDWEST......EXPECT THE PATTERN TO HOLD FIRM UNTIL THE WEEKEND.....THE HIGH WILL DRIFT EAST BY WEEKS END ALLOWING MOISTURE FROM THE REMINANTS OF SOON-TO-BE HURRICANE ALEX TO SPILL NORTHWARD INTO MISSOURI AND SRN IOWA BY LATE SATURDAY..... BY LATE SATURDAY - THE EASTERN HALF OF IOWA HAS A VERY GOOD SHOT AT SIGNIFICANT RAINFALL AMOUNTS - WITH SE IOWA BEING IMPACTED THE HARDEST LATE SATURDAY INTO SUNDAY.
THE WEEK BEGINNING ON SUNDAY THE 4TH IS LOOKING UNSETTLED......ALEX MOISTURE WILL HAVE COMBINED WITH THE NEXT SYSTEM THAT DEVELOPS ALONG THE EAST RANGE OF THE ROCKIES. LOW PRESSURE WILL FORM FROM THE DAKOTAS SOUTHWARD TO THE TEXAS PANHANDLE AND GIVE US ISOLATED THUNDERSTORMS THRU MID WEEK. A BREAK IN THE WEATHER WILL COME WEDNESDAY AND THURSDAY (7TH/8TH) AS WEAK HIGH PRESSURE WORKS INTO IOWA.......
TODAY THRU SATURDAY 29TH TO 3 JULY - PARTLY CLOUDY WITH TEMPS IN THE LOW/MID 80'S AND LT EAST-SOUTHEAST WINDS - THEN INCREASING CLOUDS AND GUSTY SOUTH WINDS BY SATURDAY - ISOLATED THUNDER LATE SATURDAY
SUNDAY THRU TUESDAY 4TH TO 6TH - CLOUDY WITH SHOWERS AND THUNDERSTORMS - GUSTY SE WINDS - TEMPS MID 80'S
WEDNESDAY AND THURSDAY 7TH/8TH - MOSTLY TO PARTLY CLOUDY
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