19 JULY 2010 EXTENDED FORECAST

FRONT STALLS OVER CENTRAL IOWA....THE COLD FRONT THAT PUSHED INTO VENTRAL IOWA YESTERDAY HAS STALLED - VIRTUALLY ALONG I-80.......THUNDERSTORMS WILL DEVELOP ON BOTH SIDES OF THE FRONT. PERIODIC THUNDERSTORMS ARE EXPECTED FROM LATER TONIGHT THROUGH MUCH OF THE UPCOMING WEEK.

STORMS HAVE DEVELOPED IN WESTERN IOWA ALONG THE STALLED FRONT - AND WILL WEAKEN AND MOVE SLOWLY EASTERWARD THRU THE DAY.

TEMPERATURES WILL BE SEASONABLE OVER IOWA AND AREAS NORTH THIS WEEK. THE HOT AND HUMID WEATHER WILL BE CONFINED TO THE SOUTHERN HALF OF IOWA (SOUTH OF I-80) AND AREAS SOUTH.

RING OF FIRE SET UP. HIGH PRESSURE CURRENTLY SITUATED OVER THE SOUTHWEST UNITED STATES WILL SLIDE SLOWLY EASTERWARD OVER THE WEEKEND - FORCING ANY SYSTEM DEVELOPMENT OVER THE WEST COAST TO MOVE STRAIGHT EAST, AND STAY WELL NORTH OVER THE NORTHERN PLAINS IN THE WEEK AHEAD. IOWA WILL BE ON THE NORTHERN FRINGES OF THE HIGH PRESSURE - MAKING US SEASONABLY WARM, AND A HIT AND MISS THUNDERSTORM TARGET THRU LATE WEEK. WE'LL SEE SHOWERS AND STORMS BREAKOUT AT ANY TIME ALONG THE STALLED FRONT. ANY STORM THAT DOES DEVELOP WILL BE CAPABLE OF HEAVY RAIN.

19 JULY 2010 EXTENDED FORECAST

TODAY AND TUESDAY 19TH/20TH - WARM/HUMID - MOSTLY CLOUDY WITH ISOLATED SHOWERS/STORMS AFTER 12 NOON - STRONG STORMS WITH HEAVY RAIN AND GUSTY WINDS POSSIBLE TONITE INTO TUESDAY MORNING (2 INCHES) - THEN PARTLY TO MOSTLY CLOUDY - ISOLATED STORMS AGAIN TUESDAY EVENING - TEMPS HIGH 80'S

WEDNESDAY 21ST - MORNING THUNDERSTORMS - THEN PARTLY TO MOSTLY CLOUDY - STORMS WILL REDEVELOP OVERNITE WITH MORE HEAVY RAINFALL (1-2 INCHES) - TEMPS HUMID MID 80'S

THURSDAY THRU SATURDAY 22ND THRU 24TH - PARTLY CLOUDY WITH ISOLATED SHOWERS/STORMS - ALONG AND NORTH OF I-80 - GUSTY SW WIND - TEMPS NEAR 90/HUMID

SUNDAY THRU THURSDAY 25TH THRU 29TH - PARTLY CLOUDY - HOT AND HUMID WITH HIGH TEMPS STEADY IN LOW 90'S THRU THURSDAY - DAILY HEAT INDEX OF AROUND 105F - EXPECT THUNDERSTORMS LATE WEDNESDAY INTO THURSDAY COOLING TEMPS BACK DOWN TO THE MID/HIGH 80'S AND HEAT INDEX'S BACK BELOW 90.................