27 APRIL 2010 EXTENDED FORECAST

27 APRIL 2010 EXTENDED FORECAST

A NEW STORM ROLLING ONSHORE IN THE PACIFIC NORTHWEST WILL MOVE AT A DECENT PACE ACROSS THE COUNTRY AND WILL SPARK A NEW OUTBREAK OF SEVERE THUNDERSTROMS, HEAVY RAIN, HAIL, AND PERHAPS TORNDOES.

THE SEVERE WEATHER OUTBREAK WILL BEGIN LATE WEDNESDAY NIGHT ON THE HIGH PLAINS/WRN NEBRASKA AND SPREAD FARTHER EAST ACROSS IOWA THURSDAY NIGHT INTO FRIDAY, BEFORE REACHING THE MISS RIVER FRIDAY.

THIS STORM SYSTEM IS SETTING THE STAGE FOR A PROLONGED PERIOD OF UNSETTLED WEATHER FOR IOWA, NEBRASKA, KANSAS, MISSOURI, AND ILLINOIS............

MEANWHILE: A RIDGE OF HIGH PRESSURE WILL MAKE ITS WAY THROUGH THE UPPER MIDWEST/PLAINS TODAY AND TOMORROW. BY THURSDAY...AN AREA OF LOW PRESSURE WILL MOVE OUT OF THE COLORADO FRONT RANGE INTO THE CENTRAL PLAINS. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO SPREAD INTO THE FORECAST AREA BY THURSDAY MORNING. CHANCES OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE WEEKEND AND WELL INTO NEXT WEEK.

POWESHIEK COUNTY, IOWA (WEATHER)

TODAY AND WED 27TH/28TH - PARTLY CLOUDY - TEMP 65

THURSDAY AND FRIDAY 29TH/30TH - WINDY - SHOWERS/THUNDER (POSSIBLY SEVERE) DEVELOPING THURSDAY AFTERNOON WITH HEAVIER RAINFALL (UP TO 1 INCH) OVERNITE INTO MID DAY FRIDAY - THEN ISOLATED SHOWERS/THUNDER REMAINDER OF FRIDAY - TEMP 75/70

SAT THRU MONDAY MAY 1ST-3RD - WINDY - PARTLY CLOUDY BCMG CLOUDY WITH SHOWERS AND THUNDERSTORMS BY AFTERNOON SATURDAY AND LASTING THRU MONDAY AFTERNOON - TEMPS LOW 70'S

TUESDAY THRU THURSDAY 4TH-6TH - THUNDERSTORMS TUESDAY THEN ISOLATED RAIN SHOWERS WED AND THURSDAY - COOLER WITH GUSTY NORTH WINDS

STATEWIDE WEATHER:

WED - PARTLY CLOUDY - BCMG WINDY
THURS - INCREASING CLOUDS - WINDY - AFTERNOON SHOWERS/STRONG THUNDER WEST - MOVING EAST OVERNITE
FRIDAY - SHOWERS WEST - THUNDERSTORMS EAST
SATURDAY - PARTLY TO MOSTLY CLOUDY WITH AFTERNOON SHOWERS/THUNDER STATEWIDE - GUSTY SW WINDS
SUNDAY - SHOWERS STATEWIDE - MORNING THUNDER SOUTHEAST
MONDAY - MORNING THUNDER WEST - AFTERNOON THUNDER EAST
TUESDAY - HEAVY THUNDERSTORMS (PRECIP UP TO 1 INCH) WEST MOVING ACROSS STATE THRU THE DAY - WINDY
WED - RAIN AND THUNDER (PRECIP UP TO 1 INCH) - WINDY

CONTACT: TALKWEATHER@GMAIL.COM
MIDWEST WEATHER UPDATE BLOG: www.talkmidwestweather.blogspot.com
CENTRAL IOWA BLOG: www.talkpowweather.blogspot.com