Early This Morning: Mostly cloudy with isolated thunderstorms. Southeast wind around 5 mph.

Today: Isolated thunderstorms this morning, then becoming mostly Sunny, hot and humid. High in the upper 80s. South wind 5 to 10 mph. Highest heat index readings 100 to 103 in the afternoon. ** Heat Advisory for Monona, Harrison, Pottawattamie, Mills, Montgomery, Fremont and Page Counties from 1-until 8-p.m.**

Tonight: Partly cloudy. Low in the lower 70s. South wind around 5 mph. Highest heat index readings 100 to 103 through midnight.

Monday: Partly sunny. Hot and humid. High in the upper 80s. Southeast wind 5 to 15 mph. Highest heat index readings 100 to 102 in the afternoon.

Monday Night: Partly cloudy. A 20 percent chance of thunderstorms after midnight. Low in the mid 70s. South wind 10 to 15 mph. Highest heat index readings 100 to 102 through midnight.

Tuesday: Mostly sunny with a 20 percent chance of thunderstorms. High in the lower 90s. South wind 10 to 15 mph. Highest heat index readings 100 to 103 in the afternoon.

Wednesday: Partly sunny. Not as warm. High in the lower 80s.

MONONA- HARRISON-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE COUNTIES…

A HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM TODAY. 

THE HEAT INDEX WILL RANGE FROM 105 TO 112 DEGREES ACROSS THE ADVISORY AREA DURING THE AFTERNOON AND EARLY EVENING HOURS.

HEAT RELATED ILLNESS LIKE HEAT STRESS…HEAT CRAMPS OR POSSIBLY HEAT STROKE IS MORE LIKELY. PETS AND LIVESTOCK WILL ALSO BE IMPACTED BY THE HEAT AND APPROPRIATE MEASURES SHOULD BE TAKEN FOR THE ANIMALS SAFETY.

PRECAUTIONARY/PREPAREDNESS ACTIONS… THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS…STAY IN AN AIR-CONDITIONED ROOM…STAY OUT OF THE SUN…AND CHECK UP ON RELATIVES AND NEIGHBORS.

..HOT AND HUMID WEATHER RETURNS…

ON SUNDAY TEMPERATURES ARE FORECAST TO RISE INTO THE LOW TO MID 90S. THIS HEAT IN COMBINATION WITH HIGH DEW POINTS WILL ALLOW HEAT INDEX VALUES WILL RISE TO 105 DEGREES OR HIGHER. THE HEAT WILL LINGER INTO THE EARLY EVENING BEFORE CONDITIONS IMPROVE.

POTTAWATTAMIE-MILLS-FREMONT COUNTIES…

HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT SUNDAY…

HEAT INDEX EXPECTED TO RANGE FROM 103 TO 108 DEGREES DURING THE AFTERNOON AND EARLY EVENING.

IMPACTS...HEAT RELATED ILLNESS LIKE HEAT STRESS…HEAT CRAMPS OR POSSIBLY HEAT STROKE IS MORE LIKELY. PETS AND LIVESTOCK WILL ALSO BE IMPACTED BY THE HEAT AND APPROPRIATE MEASURES SHOULD BE TAKEN FOR THE ANIMALS SAFETY.

PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS…STAY IN AN AIR-CONDITIONED ROOM…STAY OUT OF THE SUN…AND CHECK UP ON RELATIVES AND NEIGHBORS.

The Freese-Notis (podcast) weather forecast for Atlantic & the KJAN listening area, and weather information for Atlantic.

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400 AM CDT SAT JUL 25 2015

EARLY THIS MORNING…PERIODS OF THUNDERSTORMS. NORTHWEST WIND 5 TO 10 MPH. CHANCE OF THUNDERSTORMS NEAR 100 PERCENT.

TODAY…MOSTLY CLOUDY. SCATTERED THUNDERSTORMS THROUGH MID MORNING…THEN ISOLATED THUNDERSTORMS IN THE LATE MORNING AND EARLY AFTERNOON. THUNDERSTORMS LIKELY LATE IN THE AFTERNOON. HIGH IN THE MID 80S. EAST WIND 5 TO 10 MPH. CHANCE OF THUNDERSTORMS 60 PERCENT.

TONIGHT…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. LOW AROUND 70. SOUTHEAST WIND 5 TO 10 MPH.

SUNDAY...MOSTLY SUNNY. HOT AND HUMID. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE MORNING. HIGH IN THE UPPER 80S. SOUTHEAST WIND 5 TO 10 MPH. HIGHEST HEAT INDEX READINGS AROUND 100 IN THE AFTERNOON.

SUNDAY NIGHT…PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOW IN THE LOWER 70S. SOUTH WIND 5 TO 10 MPH. HIGHEST HEAT INDEX READINGS AROUND 100 THROUGH MIDNIGHT.

MONDAY…PARTLY SUNNY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE UPPER 80S. SOUTHEAST WIND 5 TO 10 MPH.

TUESDAY…MOSTLY SUNNY. HIGH IN THE LOWER 90S.

CASS IA-
845 PM CDT FRI JUL 24 2015

…THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CASS COUNTY HAS EXPIRED…

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS…AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER SMALL  HAIL TO THE SIZE OF NICKELS AND GUSTY WINDS ARE STILL POSSIBLE WITH  THIS THUNDERSTORM.

806 PM CDT FRI JUL 24 2015

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHWESTERN CASS COUNTY IN SOUTHWESTERN IOWA…
SOUTHWESTERN AUDUBON COUNTY IN WEST CENTRAL IOWA…

* UNTIL 845 PM CDT

* AT 806 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTH OF AVOCA…OR 14 MILES WEST OF ATLANTIC…MOVING EAST AT 25 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…
ATLANTIC…BRAYTON…MARNE…WIOTA AND ATLANTIC MUNICIPAL AIRPORT. PEOPLE ATTENDING THE CASS COUNTY FAIR SHOULD SEEK SAFE SHELTER IMMEDIATELY!

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 50 AND 62.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

749 PM CDT FRI JUL 24 2015

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHEASTERN POTTAWATTAMIE COUNTY IN SOUTHWESTERN IOWA…
NORTHWESTERN MONTGOMERY COUNTY IN SOUTHWESTERN IOWA…
NORTHERN MILLS COUNTY IN SOUTHWESTERN IOWA…

* UNTIL 815 PM CDT

* AT 749 PM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR OAKLAND TO NEAR GLENWOOD…MOVING EAST AT 25 MPH.

HAZARD…60 MPH WIND GUSTS.

SOURCE…RADAR INDICATED.

IMPACT…EXPECT DAMAGE TO ROOFS…SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE…
OAKLAND…TREYNOR…CARSON…EMERSON…MACEDONIA…SILVER CITY…
HANCOCK…HENDERSON…HASTINGS…FARM CREEK PUBLIC WILDLIFE AREA
AND OLD TOWN PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS…AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

746 PM CDT FRI JUL 24 2015

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHERN MILLS COUNTY IN SOUTHWESTERN IOWA…
NORTHWESTERN FREMONT COUNTY IN SOUTHWESTERN IOWA…
* UNTIL 815 PM CDT

* AT 746 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED OVER
PLATTSMOUTH…OR 20 MILES SOUTHEAST OF OMAHA…MOVING SOUTHEAST AT 25 MPH.

HAZARD…60 MPH WIND GUSTS.

SOURCE…RADAR INDICATED.

MILLS IA-FREMONT IA-
729 PM CDT FRI JUL 24 2015

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR SOUTHWESTERN MILLS…NORTH CENTRAL FREMONT COUNTIES…

AT 729 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED OVER PLATTSMOUTH…OR 20 MILES SOUTH OF OMAHA…MOVING EAST AT 30 MPH.
HAZARD…60 MPH WIND GUSTS.