Skyscan Forecast  Thursday, August 20th.  Dan Hicks

Today: Mostly Sunny. SW @ 10-15.  High 79.

Tonight: Partly Cloudy. S @ 5-10.  Low 59.

Friday: Partly Cloudy. Warmer. S @ 10-20. High 84.

Saturday: Partly Cloudy. Scattered T’storms developing in the afternoon. High 86.

Sunday: Partly Cloudy. Showers in the morning. Cooler. High 76.

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Skyscan Forecast  Wednesday, August 19th  Dan Hicks

Today: Partly Cloudy to Cloudy. WNW @ 15-30. High 72.

Tonight: Fair to Partly Cloudy. Light and Variable Winds. Low 45.

Thursday: Mostly Sunny. SW @ 10-15.  High 80.

Friday: Partly Cloudy. High 84.

Saturday: Partly Cloudy with Scattered T’storms. High 86.

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Skyscan Forecast  Tuesday, August 8, 2015  Dan Hicks

Today: Partly to Mostly Cloudy.  Scattered Showers and T’storms.  SE @ 10-20. High 75.

Tonight: Partly Cloudy to Cloudy. Showers ending.  W @ 10-20. Low 56.

Wednesday: Partly Cloudy. WNW 15-30. High 72.

Thursday: Partly Cloudy. High 81.

Friday: Partly Cloudy. High 84.

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504 AM CDT TUE AUG 18 2015

THUNDERSTORMS WITH HEAVY RAINFALL AND GUSTY WINDS MOVING ACROSS SOUTHWEST IOWA. A CLUSTER OF THUNDERSTORMS ARE MOVING ACROSS SOUTHWEST INTO SOUTHERN IOWA TO THE EAST NORTHEAST AT 20 MPH. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL OF AN INCH TO AN INCH AND A HALF AND WIND GUSTS TO 35 MPH.

406 AM CDT TUE AUG 18 2015

AREA COUNTIES:  SAC – CRAWFORD – CARROLL- MONONA…

HEAVY RAINFALL IS EXPECTED TODAY OVER NORTHWEST INTO NORTH CENTRAL IOWA. LOW PRESSURE LIFTING ACROSS IOWA INTO MINNESOTA TODAY WILL INCREASE THUNDERSTORM COVERAGE AND INTENSITY BY LATE THIS MORNING THROUGH THE AFTERNOON. HEAVY RAINFALL IS EXPECTED.

FLASH FLOOD WATCH IN EFFECT FROM 7 AM THROUGH THIS EVENING.

HEAVY RAINFALL IS LIKELY WITH THE STRONGER STORMS AND WILL FALL OVER NORTHWEST IOWA WHERE RECENT HEAVY RAINFALL HAD OCCURRED. THE EXPECTATION OF ADDITIONAL HEAVY RAINFALL TODAY COULD LEAD TO FLASH FLOODING FROM RAPID RISES ON SMALL STREAMS AND CREEKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

413 AM CDT TUE AUG 18 2015

THE NATIONAL WEATHER SERVICE IN OMAHA HAS EXTENDED THE FLASH FLOOD WARNING FOR SOUTHWESTERN POTTAWATTAMIE COUNTY UNTIL 7-A.M.

AT 405 AM CDT…DOPPLER RADAR INDICATED THE LAST BAND OF THUNDERSTORMS WAS MOVING THROUGH THE METRO. HOWEVER COPIOUS AMOUNTS OF RAIN HAVE FALLEN…AND WILL TAKE SOME TIME TO RECEDE. RAIN TOTALS FROM 10 PM THROUGH 4 AM REPORTED FROM AUTOMATED GAGES ACROSS THE METRO HAVE COME IN BETWEEN 2 AND 5 INCHES.

MANY OF THE NORMALLY FLOOD-PRONE AREAS SUCH AS UNDERPASSES AND LOW SPOTS IN ROADS AND NEIGHBORHOODS ARE FLOODING. MANY INTERSECTIONS ARE FLOODED AS WELL. THE AREA AROUND 60TH AND HARRISON WAS REPORTED IMPASSIBLE. PLEASE ALLOW EXTRA TIME TO REACH YOUR DESTINATION THIS MORNING…AND NEVER DRIVE THROUGH WATER COVERING THE ROAD.

439 AM CDT TUE AUG 18 2015

SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN POTTAWATTAMIE and SOUTHWESTERN HARRISON COUNTIES UNTIL 530 AM CDT…

AT 439 AM CDT…DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER FORT CALHOUN…OR 14 MILES NORTH OF OMAHA…MOVING NORTHEAST AT 20 MPH. NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE…

MISSOURI VALLEY…LOGAN…FORT CALHOUN…MAGNOLIA…DESOTO BEND NATIONAL WILDLIFE REFUGE…HISTORICAL VILLAGE WELCOME CENTER AND WILSON ISLAND STATE PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 30 IN IOWA BETWEEN MILE MARKERS 3 AND 5.

HIGHWAY 75 IN NEBRASKA BETWEEN MILE MARKERS 105 AND 111.

INTERSTATE 29 BETWEEN MILE MARKERS 71 AND 79.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM…AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

216 AM CDT TUE AUG 18 2015

**FLASH FLOOD WARNING FOR SW POTTAWATTAMIE COUNTY until 4:30-a.m.**

EARLY THIS MORNING…CLOUDY WITH SCATTERED THUNDERSTORMS. SOUTHEAST WIND NEAR 5 MPH. CHANCE OF THUNDERSTORMS 50 PERCENT.

TODAY…NUMEROUS THUNDERSTORMS IN THE MORNING…THEN THUNDERSTORMS IN THE AFTERNOON. HIGH IN THE MID 70S. SOUTH WIND 5 TO 15 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. CHANCE OF THUNDERSTORMS 90 PERCENT.

TONIGHT…CLOUDY…BREEZY…COOLER. THUNDERSTORMS LIKELY THROUGH MIDNIGHT…THEN A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS EARLY IN THE MORNING. LOW IN THE MID 50S. WEST WIND 15 TO 20 MPH. CHANCE OF PRECIPITATION 70 PERCENT.

WEDNESDAY…MOSTLY CLOUDY. BREEZY. HIGH AROUND 70. WEST WIND 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.

WEDNESDAY NIGHT…MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOW IN THE LOWER 50S. WEST WIND 5 TO 10 MPH. GUSTS UP TO 20 MPH THROUGH MIDNIGHT.

THURSDAY…SUNNY. HIGH IN THE UPPER 70S. SOUTHWEST WIND 5 TO 10 MPH.

FRIDAY…MOSTLY SUNNY. HIGH IN THE LOWER 80S.

124 AM CDT TUE AUG 18 2015

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A FLASH FLOOD WARNING FOR SOUTHWESTERN POTTAWATTAMIE COUNTY UNTIL 430 AM CDT.

* AT 122 AM CDT…DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. OVER 2 INCHES OF RAIN HAVE FALLEN AND AN ADDITIONAL INCH OR TWO COULD FALL WITH STORMS MOVING ACROSS THE METRO AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE… OMAHA…COUNCIL BLUFFS…BELLEVUE…PAPILLION…LA VISTA… RALSTON…ELKHORN…MILLARD…CARTER LAKE…BOYS TOWN…LAKE MANAWA STATE PARK…NARROWS RIVER PARK AND CHALCO.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 75 IN NEBRASKA BETWEEN MILE MARKERS 88 AND 94.

INTERSTATE 29 BETWEEN MILE MARKERS 47 AND 58.

INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 1 AND 5.

INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 440 AND 454.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.

Today: Partly Cloudy to Cloudy.  Scattered Showers and T’storms, especially in the morning. NW @ 10.  High 80.

Tonight: Partly Cloudy to Cloudy.  Scattered Showers and T’storms. E @ 5-10.  Low 66.

Tuesday: Partly Cloudy to Cloudy.  Scattered Showers and T’storms. SE switching to the NW @ 10-20.  High 78.

Wednesday: Partly Cloudy. High 76.

Thursday: Partly Cloudy.  High 82.

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