23 MARCH EXTENDED FORECAST

23 MARCH EXTENDED FORECAST

IT WAS A FAIRLY TYPICAL EARLY SPRING MORNING ACROSS IOWA WITH MOSTLY CLEAR SKIES AND TEMPERATURES IN THE 30S OR LOWER 40S. WINDS WERE GENERALLY SOUTH OR SOUTHEAST AT 5 TO 15 MPH. AT 4 AM...A WEAK COOL FRONT WAS APPROACHING FAR NW IA. EXPECT FRONTAL PASSAGE ACROSS POW CTY MID/LATE AFTERNOON TODAY.

A WEAK COLD FRONT WILL CROSS THE MIDWEST TODAY WITH ISOLATED AREAS OF PRECIPITATION ASSOCIATED WITH IT SOUTHEAST...ONCE THE FRONT PASSES THRU POW CTY, IT WILL STALL IN SOUTHERN IOWA ALONG THE IA/MO BORDER.....AN UPPER LEVEL LOW WILL TRACK EAST OUT OF CO. AND COMBINE WITH THE STALLED FRONTAL BOUNDARY BRINGING SHOWERS AND THUNDERSTORMS TO THE SOUTHERN PLAINS AND LOWER MISSOURI RIVER VALLEY. PRECIPITATION CHANCES WILL INCREASE SLOWLY WEDNESDAY EVENING OVER SOUTHERN IOWA (I-80 SOUTHWARD)...PEAKING ON THURSDAY. ANOTHER LOW PRESSURE SYSTEM WILL AFFECT THIS WEEKEND WITH MORE CHANCES FOR RAIN...AND EVEN A MIX WITH SNOW THRU CENTRAL IOWA.

ALTHOUGH TEMPERATURES WILL COOL SLIGHTLY AFTER TODAY...THEY WILL STILL REMAIN TYPICAL FOR EARLY SPRING WITH HIGHS IN THE 50S AND 50S INTO THE WEEKEND. LOWS SHOULD REMAIN IN THE UPPER 20S TO LOWER 40S.

TODAY 23RD - PARTLY TO MOSTLY CLOUDY - HIGH TEMPS 58

WED AND THURS 24TH/25TH - RAIN SHOWERS BEGINNING LATE WED INTO THURS - HIGH TEMPS LOW 50'S

FRI 26TH - PARTLY TO MOSTLY CLOUDY - HIGH TEMP LOW 50'S

SAT AND SUN 27TH/28TH - RAIN SHOWERS - WINDY - TEMP 45

MON THRU THURSDAY 29TH-APRIL 1ST - PARTLY TO MOSTLY CLOUDY AND BECM WINDY - TEMPS WILL RISE THRU WEEK FROM MID 50'S TO MID 60'S

RAINY PATTERN WILL SET UP FOR A FEW DAYS --- THEN BE UNSEASONABLY DRY THE REST OF THE MONTH................
FRI THRU WED 2ND-7TH - RAIN SHOWERS - TEMPS MID 60'S DROPPING TO LOW 50'S BY THE 7TH...................

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SPRING FORECAST - (ISSUED 19 MARCH 2010)

APRIL – AVERAGE TEMPERATURE: 60F (6 DEG ABOVE NORMAL)
PRECIP: 1-2 INCHES (1-2 INCHES BELOW NORMAL)

WEEK 1: RAIN
WEEK 2: SUNNY AND WARMING
WEEK 3: THUNDERSTORMS THEN SUNNY AND COOLER
WEEK 4: SUNNY AND VERY WARM – THEN THUNDERSTORMS

MAY – AVERAGE TEMP 68F (4 DEG ABOVE NORMAL)
PRECIP: 4 INCHES (1.5 INCHES ABOVE NORMAL)

WEEK 1: THUNDERSTORMS THEN SUNNY
WEEK 2: SUNNY THEN THUNDERSTORMS AND WARM
WEEK 3: THUNDERSTROMS THEN COOLER
WEEK 4: HOT AND HUMID/AFTERNOON (AIRMASS) THUNDERSTORMS

JUNE – AVERAGE TEMP 73 ( NEAR NORMAL)
PRECIP: 4 INCHES (NEAR NORMAL)

WEEK 1: HOT AND HUMID/AFTERNOON (AIRMASS) THUNDERSTORMS
WEEK 2: SUNNY AND COOLER
WEEK 3: THUNDERSTORMS THEN SUNNY, HOT AND HUMID