An upper level low pressure system will push a fairly strong disturbance across Iowa today. This will lead to periods of strong to severe storms across the state…especially during the afternoon and evening hours. Some storms will also produce heavy rain which may lead to additional flooding. Monitor forecasts for the latest updates on this storm system. (NWS/Des Moines)

Here’s the Freese-Notis (podcast) weather forecast for Atlantic and the KJAN listening area, and weather information for Atlantic

Podcast: Play in new window | Download (1.1MB)

Subscribe: RSS

Today: Showers and thunderstorms. High near 73. Breezy, with a south wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 60. South wind 9 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. Southwest wind 8 to 15 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night: Partly cloudy, with a low around 56. West wind 7 to 10 mph.

Saturday: A 20 percent chance of showers. Partly sunny, with a high near 69. Breezy, with a west wind 9 to 17 mph, with gusts as high as 25 mph.
Saturday Night: Mostly cloudy, with a low around 51. Breezy.

Sunday: Mostly sunny, with a high near 67.

FLOOD WATCH/NATIONAL WEATHER SERVICE DES MOINES IA – 301 AM CDT THU MAY 30 2013

…MORE HEAVY RAIN EXPECTED LATER TODAY AND THIS EVENING..ADDITIONAL THUNDERSTORMS WILL IMPACT CENTRAL IOWA AGAIN TODAY AND PERSIST THROUGH THIS AFTERNOON AND EARLY EVENING. HEAVIER RAIN IS POSSIBLE LATER THIS MORNING AND THROUGH THE AFTERNOON HOURS. ANY ADDITIONAL RAINFALL OVER ALREADY SATURATED AREAS WILL LEAD TO MORE FLASH FLOODING THROUGHOUT CENTRAL IOWA.

AREA COUNTIES: SAC-CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION- TAYLOR-RINGGOLD-MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT- PAGE-

….FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING…

* WIDESPREAD HEAVY RAINFALL HAS IMPACTED MUCH OF IOWA OVER THE PAST 5 DAYS. CURRENT CONDITIONS INCLUDE EXTREMELY SATURATED SOILS…SIGNIFICANT PONDING OF WATER IN FIELDS AND STREAMS RUNNING AT BANKFULL OR ARE CURRENTLY IN FLOOD. ADDITIONALLY…THUNDERSTORMS LATER TODAY MAY PRODUCE ONE TO THREE INCHES OF RAIN OVER THE AREA THROUGH LATE AFTERNOON OR EARLY EVENING.

* SIGNIFICANT AND LIFE THREATENING FLASH FLOODING IS POSSIBLE SHOULD HEAVY RAINFALL OCCUR OVER AREAS HARD HIT OVER THE PAST SEVERAL DAYS. PERSONS LIVING IN FLOOD PRONE AREAS SHOULD BE PREPARED TO TAKE ACTION. DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS! AS LITTLE AS 6 INCHES OF RUNNING WATER CAN SWEEP A VEHICLE OFF THE ROAD. WITH MORE HEAVY RAINFALL POSSIBLE…SIGNIFICANT RIVER FLOODING IS POSSIBLE AFTER THIS EVENT.

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.

Storms that passed through eastern Nebraska and southwest Iowa brought heavy rain Wednesday, but there was little in the line of severe weather through late Wednesday night. The exception, according to National Weather Service, was thunderstorm winds that blew through the Monona County community of Onawa at around 8:10-p.m. Wednesday, causing part of roof to be blown off a business. The roof fell onto some vehicles.

Flash flooding occurred in Fremont and Montgomery Counties Wednesday afternoon. In Fremont County, a flash flood over Manti Road in Farragut only lasted about 15 minutes at around 2-p.m.

8th & Senate Streets in Red Oak (Montgomery Co. EMA photo)

1st & Cherry Streets in Red Oak Wednesday afternoon (Montgomery Co. Emergency Mgmt. photo)

In Red Oak, street flooding was reported just after 3-p.m, with water running two- to three-feet deep in some places. Heavy rain was also reported at around 7:45-p.m. two-miles northwest of Little Sioux, in Harrison County, where nearly an inch fell in less than 80-minutes.

Flash Flood warnings were issued for also issued for Cass and Audubon Counties early Wednesday afternoon, but there were no reports of flooding received by the Weather Service.

A Flood Warning remains in effect until Saturday afternoon for the East Nishnabotna River at Red Oak, and until Sunday evening, for the Nishnabotna River near Hamburg. And, a Flash Flood Watch remains in effect through Thursday evening for the much of Iowa, including the entire KJAN listening area.

THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 247 FOR
 THE FOLLOWING AREAS
 
 IN IOWA THIS CANCELS 7 COUNTIES
 
 IN SOUTHWEST IOWA
 
 ADAMS                 CASS                  TAYLOR              
 
 IN WEST CENTRAL IOWA
 
 AUDUBON               CARROLL               CRAWFORD            
 SAC                  
 
 THIS INCLUDES THE CITIES OF…ATLANTIC…AUDUBON…BEDFORD…
 CARROLL…CORNING…DENISON AND SAC CITY.

1005 PM CDT WED MAY 29 2013 
 THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 247 FOR
 THE FOLLOWING AREAS…
 
 IN IOWA THIS CANCELS 4 COUNTIES
 
 IN SOUTHWEST IOWA
 
 FREMONT               MILLS                 MONTGOMERY          
 PAGE

858 PM CDT WED MAY 29 2013
 
 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A
 * FLOOD WARNING FOR
   THE EAST NISHNABOTNA RIVER AT RED OAK.
 * FROM THURSDAY EVENING TO SATURDAY AFTERNOON…OR UNTIL THE WARNING
   IS CANCELLED.
 * AT  8:00 PM WEDNESDAY THE STAGE WAS 11.7 FEET…OR 6.3 FEET BELOW
   FLOOD STAGE.
 * FLOOD STAGE IS 18.0 FEET.
 * MINOR FLOODING IS FORECAST.
 * FORECAST…RISE ABOVE FLOOD STAGE BY TOMORROW EVENING AND CONTINUE
   TO RISE TO NEAR 20.5 FEET BY FRIDAY MORNING.THE RIVER WILL FALL
   BELOW FLOOD STAGE BY FRIDAY BEFORE MIDNIGHT.
 * IMPACT…AT 20.0 FEET…LOWLAND FLOODING BEGINS ALONG THE WEST BANK.

The National Weather Service has cancelled Tornado Watch #247 for the following counties in western Iowa: Harrison….Pottawattamie….Shelby….and Monona. Tornado Watch #247 remains in effect until 2-a.m. Thursday for these counties in the KJAN listening area:

Cass, Adams, Audubon, Carroll, Crawford, Fremont, Mills, Montgomery and Page.

NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA

819 PM CDT WED MAY 29 2013

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* FLASH FLOOD WARNING FOR…

CENTRAL MONTGOMERY COUNTY IN SOUTHWEST IOWA…

SOUTHEASTERN POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA…

SOUTHEASTERN MILLS COUNTY IN SOUTHWEST IOWA…

NORTHWESTERN PAGE COUNTY IN SOUTHWEST IOWA…

EASTERN FREMONT COUNTY IN SOUTHWEST IOWA…

* UNTIL 1115 PM CDT

* AT 810 PM CDT…DOPPLER RADAR INDICATED HEAVY RAIN IS MOVING

TOWARDS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY

FALLEN EARLY TODAY. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…

RED OAK…SHENANDOAH…ESSEX…FARRAGUT…EMERSON…ELLIOTT…

RIVERTON…RANDOLPH…IMOGENE AND COBURG.

THIS INCLUDES HIGHWAY 59.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE

UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS

SUBJECT TO FLOODING WHEN WATER BEGINS RISING.