Today: Mostly cloudy with showers and thunderstorms possible early this morning, and again this afternoon (between 2pm and 5pm). High near 79. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. **FLASH FLOOD WATCH until 4-p.m. for Fremont, Mills, Montgomery, Page and Pottawattamie Counties**
Tonight: Scattered showers and thunderstorms, mainly before 9pm. Low around 63. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Northeast wind 5 to 10 mph.
Thursday: Sunny, with a high near 79.
Friday: Sunny, with a high near 78.

AREA COUNTIES: SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD

…CONDITIONS ARE FAVORABLE FOR FUNNEL CLOUDS…

CURRENT ATMOSPHERIC CONDITIONS SUPPORT THE DEVELOPMENT OF FUNNEL CLOUDS ACROSS MUCH OF IOWA THIS AFTERNOON. USUALLY…THESE FUNNEL CLOUDS CAN FORM FROM SHOWERS AND WEAK THUNDERSTORMS. THESE FUNNELS ARE NORMALLY BRIEF…DROP ONLY A FEW HUNDRED FEET FROM THE CLOUD BASE…AND RARELY BECOME A TORNADO OR CAUSE DAMAGE. HOWEVER…IF ONE IS SPOTTED…PLEASE IMMEDIATELY REPORT IT TO THE NATIONAL WEATHER SERVICE. IF A TORNADO WARNING WOULD BECOME NECESSARY…TAKE APPROPRIATE ACTION.

239 PM CDT MON AUG 29 2016

…LOCALLY HEAVY RAINS POSSIBLE TONIGHT AND TUESDAY…

.HEAVY RAIN FELL ACROSS PARTS OF THE WATCH AREA LAST NIGHT. WITH SIMILAR ENVIRONMENTAL CONDITIONS TONIGHT AND TUESDAY…ADDITIONAL SLOW MOVING THUNDERSTORMS WITH HEAVY RAINFALL WILL BE POSSIBLE THE SAME AREAS. THIS COULD RESULT IN FLASH FLOODING.

FREMONT and PAGE COUNTIES: FLASH FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON…THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A FLASH FLOOD WATCH FOR PORTIONS OF SOUTHWEST IOWA AND SOUTHEAST NEBRASKA…INCLUDING THE FOLLOWING AREAS…IN SOUTHWEST IOWA… FREMONT AND PAGE. IN SOUTHEAST NEBRASKA…GAGE…JEFFERSON.. JOHNSON… NEMAHA… OTOE…PAWNEE… RICHARDSON AND SALINE.

THROUGH TUESDAY AFTERNOON.

HEAVY RAIN FROM 1 TO 5 INCHES FELL ACROSS PARTS OF THE AREA LAST NIGHT. ADDITIONAL HEAVY RAIN WITH SLOW MOVING THUNDERSTORMS ARE POSSIBLE IN THE SAME AREAS TONIGHT AND TUESDAY.

VERY HEAVY RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE POSSIBLE WITH THUNDERSTORMS THAT MAY ONLY BE MOVING 10 MPH AT TIMES. FLOODING OF LOW LYING AREAS COULD OCCUR…ALONG WITH PONDING OF WATER ON ROADWAYS. FLASH FLOODING MAY OCCUR ALONG 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.

• KJAN, Atlantic  .01″
• Massena  1.67″
• Elk Horn  .26″
• Villisca  1.2″
• Red Oak  .11″
• Clarinda  .05″
• Shenandoah  .06″

Today: Areas of fog possible this morning; Partly Cloudy to Cloudy w/a 30% chance of showers & thunderstorms. High 83. SE @ 10.
Tonight: Mo. Cldy w/a 40% chance of showers and thunderstorms, mainly after midnight. Low around 66.
Tuesday: Mostly cloudy w/a 50% chance of showers and thunderstorms. High near 80. N/NE @ 5-10.
Tuesday Night: A slight chance of showers and thunderstorms. Low around 63.
Wed./Thursday: P/Cldy, less humid. Highs around 80.

Sunday’s High in Atlantic was 89. We received.01” of rain yesterday. Our 24-hour Low (ending today at 7-a.m.), was 60. Last year on this date, our High in Atlantic was 69 and the low was 57. The Record High in Atlantic on this date was 102 in 1894. The Record Low was 34 in 1893.

346 AM CDT MON AUG 29 2016

EARLY THIS MORNING…MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF THUNDERSTORMS. PATCHY FOG. SOUTHEAST WIND NEAR 5 MPH.

TODAY…MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS. HIGH IN THE MID 80S. SOUTHEAST WIND NEAR 5 MPH. CHANCE OF THUNDERSTORMS 30 PERCENT.

TONIGHT…MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS. LOW IN THE MID 60S. EAST WIND NEAR 5 MPH. CHANCE OF THUNDERSTORMS 40 PERCENT.

TUESDAY…CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE UPPER 70S. NORTHEAST WIND NEAR 5 MPH.

TUESDAY NIGHT…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. LOW IN THE MID 60S. NORTHEAST WIND AROUND 5 MPH.

WEDNESDAY…MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE MORNING. HIGH IN THE UPPER 70S. NORTHEAST WIND 5 TO 10 MPH.

THURSDAY…SUNNY. HIGH IN THE UPPER 70S.

543 PM CDT SUN AUG 28 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…

NORTHWESTERN HARRISON COUNTY IN SOUTHWESTERN IOWA…

SOUTH CENTRAL MONONA COUNTY IN WEST CENTRAL IOWA…

SOUTHEASTERN BURT COUNTY IN EAST CENTRAL NEBRASKA…

* UNTIL 615 PM CDT

* AT 543 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR MONDAMIN…OR 31 MILES NORTH OF OMAHA…MOVING NORTHEAST AT 15 MPH.

HAZARD…60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE

TO ROOFS…SIDING…AND TREES.

* LOCATIONS IMPACTED INCLUDE…

MONDAMIN…PISGAH…BLENCOE…LITTLE SIOUX…PELICAN POINT STATE

RECREATION AREA…PREPARATION CANYON STATE PARK AND LITTLE SIOUX

SCOUT RANCH.

THIS INCLUDES INTERSTATE 29 BETWEEN MILE MARKERS 89 AND 101.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING.

SHELBY IA-

527 PM CDT SUN AUG 28 2016

…SIGNIFICANT WEATHER ADVISORY FOR SHELBY COUNTY UNTIL 600 PM CDT…AT 527 PM CDT…DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR HARLAN…OR 20 MILES WEST OF AUDUBON…MOVING NORTH AT 10 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE…

HARLAN…EARLING…IRWIN…DEFIANCE…WESTPHALIA AND KIRKMAN.

THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 80 AND 91.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS STORM MAY INTENSIFY…SO BE CERTAIN TO MONITOR LOCAL RADIO STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

458 PM CDT SUN AUG 28 2016

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…

NORTHEASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…

SOUTHERN GREENE COUNTY IN WEST CENTRAL IOWA…

* UNTIL 545 PM CDT

* AT 457 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTHEAST

OF LAKE PANORAMA…OR 11 MILES SOUTH OF JEFFERSON…MOVING NORTH AT

10 MPH.

HAZARD…60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE

TO ROOFS…SIDING…AND TREES.

* LOCATIONS IMPACTED INCLUDE…

JEFFERSON…GRAND JUNCTION…SCRANTON…BAGLEY…JAMAICA AND

JEFFERSON MUNICIPAL AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A

BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND

LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.

LIGHTNING IS ONE OF NATURE’S LEADING KILLERS. REMEMBER…IF YOU CAN

HEAR THUNDER…YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

411 PM CDT SUN AUG 28 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHEASTERN FREMONT COUNTY IN SOUTHWESTERN IOWA…
SOUTHWESTERN PAGE COUNTY IN SOUTHWESTERN IOWA…

* UNTIL 445 PM CDT

* AT 410 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED 4 MILES EAST OF
HAMBURG…OR 16 MILES NORTHWEST OF TARKIO…MOVING EAST AT 20 MPH.

HAZARD…60 MPH WIND GUSTS.

SOURCE…RADAR INDICATED.

IMPACT…EXPECT DAMAGE TO ROOFS…SIDING…AND TREES.

* LOCATIONS IMPACTED INCLUDE…
SHENANDOAH…FARRAGUT…RIVERTON AND NORTHBORO.

THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 1 AND 10.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.