1033 AM CDT MON JUL 18 2016

TODAY AND TONIGHT: THUNDERSTORMS ARE FORECAST TO DEVELOP LATE TONIGHT AND CONTINUE INTO THE MORNING HOURS TUESDAY. LOCALLY HEAVY RAIN IS LIKELY TO BE THE MAIN THREAT AND COULD LEAD TO AREAS OF FLASH FLOODING.

TUESDAY THROUGH SUNDAY: HOT AND HUMID CONDITIONS ARE ANTICIPATED WEDNESDAY THROUGH FRIDAY WITH THE HOTTEST DAY LIKELY TO BE ON THURSDAY. HEAT INDEX VALUES OVER 100 TO NEAR 110 DEGREES ARE EXPECTED.

.SPOTTER INFORMATION STATEMENT…SPOTTER ACTIVATION MAYBE NEEDED TONIGHT INTO TUESDAY.

MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE COUNTIES…
SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THE MORNING OVER PARTS OF SOUTHEAST NEBRASKA AND SOUTHWEST IOWA. SEVERE WEATHER IS NOT EXPECTED…BUT BRIEF HEAVY RAINFALL AND GUSTY WINDS ARE POSSIBLE.  ADDITIONAL NON SEVERE THUNDERSTORMS ARE POSSIBLE OVERNIGHT TONIGHT.

TUESDAY THROUGH SUNDAY: THUNDERSTORMS COULD LINGER IN NORTHEAST NEBRASKA AND PARTS OF WESTERN IOWA TUESDAY MORNING. OTHERWISE…HOT AND HUMID WEATHER IS EXPECTED BY MID TO LATE WEEK WITH AFTERNOON HEAT INDEX VALUES RISING INTO THE 100S IN MANY AREAS. WEDNESDAY THROUGH FRIDAY…HIGHEST HEAT INDEX VALUES DURING THE AFTERNOON COULD RANGE 105 TO 110.

.SPOTTER INFORMATION STATEMENT... SPOTTERS ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

927 AM CDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* FLOOD WARNING FOR SMALL STREAMS IN…
MONTGOMERY COUNTY IN SOUTHWESTERN IOWA…
EASTERN FREMONT COUNTY IN SOUTHWESTERN IOWA…
PAGE COUNTY IN SOUTHWESTERN IOWA…
EASTERN MILLS COUNTY IN SOUTHWESTERN IOWA…
SOUTHERN POTTAWATTAMIE COUNTY IN SOUTHWESTERN IOWA…

* UNTIL 330 PM CDT MONDAY

* AT 925 AM CDT…EMERGENCY MANAGEMENT OFFICIALS REPORTED FLOODING ACROSS THE AREA. SINCE EARLY THIS MORNING 3 TO 6 INCHES OF RAIN HAS FALLEN. WIDESPREAD FLOODING IS LIKELY OCCURRING…ESPECIALLY ACROSS PORTIONS OF MONTGOMERY AND PAGE COUNTIES WHERE THE HEAVIEST RAIN OCCURRED. AVOID SECONDARY ROADS…LOW LYING AREAS AND DO NOT DRIVE THROUGH FLOODED ROADWAYS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
RED OAK…CLARINDA…SHENANDOAH…OAKLAND…VILLISCA…HAMBURG…
MALVERN…TREYNOR…UNDERWOOD…CARSON…ESSEX…STANTON…
FARRAGUT…EMERSON…ELLIOTT…RIVERTON…MACEDONIA…COIN…
SILVER CITY AND COLLEGE SPRINGS.

Lightning, heavy rain and winds caused problems throughout southwest Iowa early this (Monday) morning. Anywhere from three-to six-inches of rain fell from Villisca to Clarinda, causing street flooding in the low lying areas of both communities.

Photos from the Montgomery County EMA’s Facebook page.

Lightning also sparked a house fire in Clarinda just before the rain and wind blew in. Powerlines fell, knocking out power to residences, as well. Trees also fell during the thunderstorm event.

In Adams County, winds damaged an area from 183rd and Hickory in Quincy, to Lake Icaria. Numerous trees were down and two campers were flipped over at the Lake Icaria Campgrounds. The event that caused the damage began at around 12:45-a.m.

Bedford has golf ball-sized hail early Monday morning, and 5/2-inches of rain. Corning reported 3.1-inches of rain. In Union County, Creston had a little more than 2.8-inches of rain overnight, while Red Oak had nearly 3.4-inches. New Market, in Taylor County, had more than 3.75-inches of rain.

You can check out the other rainfall reports on the kjan.com Weather page. There were no reports of injuries.

A Flash Flood Watch remain in effect until 9-a.m. for Adams, Montgomery, Page, Union, Taylor and Ringgold Counties. The Flash Flood watch has been cancelled for Crawford, Carroll, Audubon, Guthrie, Cass, Adair, Dallas, and Madison Counties. A Flash Flood Warning continues until 9:15-a.m. for south Central Montgomery and eastern Page Counties, and until 10-a.m., for Southern Cass, Adams, Taylor, Ringgold and Union Counties.

Flash Flood Watches and/or Warnings are in effect this morning (See the Weather page)

Today: Showers & thunderstorms ending this morning; Becoming P/Cldy. High 86. NE @ 5-10.

Tonight: P/Cldy to Cldy w/scattered shwrs & tstrms. Low 74.SE @ 5-10.

Tomorrow: Scattered morning shwrs & tstrms; Becoming P/Cldy. High 88. SE @ 10-15.

Wednesday: P/Cldy. High 94.

Thursday: P/Cldy. High 98.

Sunday’s High in Atlantic was 85. Our 24-hour Low was 51. We received 1.38 inches of rain here at the KJAN studios from 7-a.m. Sunday through  7-a.m. today. Last year on this date, our High in Atlantic was 88 and the low was 67. The All-time Record High in Atlantic on this date was 107 in 1936. The Record Low was 44 in 1953.

• KJAN, Atlantic  1.38″
• 7 miles NNE of Atlantic  .76″
• Elk Horn  .36″
• Massena  1.68″
• Avoca  2.3″
• Villisca  2.6″
• Oakland  4.07″
• Neola  1.9″
• New Market 3.78″
• Irwin  1.07″
• Missouri Valley  2.36″
• Persia  1.45″
• Logan  .72″
• Woodbine  .16″
• Clarinda  6″  (updated report)
• Shenandoah  .33″
• Adair  .11″
• Audubon  .16″
• Council Bluffs  2.18″
• Creston  2.83″
• Corning 3.10
• Red Oak 3.37″
• Bedford 5.2″
• Mt. Ayr 3.5″
• Blockton 3.95″
• Underwood 2.88″

540 AM CDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* FLOOD ADVISORY FOR…
SOUTHWESTERN HARRISON COUNTY IN SOUTHWESTERN IOWA…
NORTHEASTERN MILLS COUNTY IN SOUTHWESTERN IOWA…
POTTAWATTAMIE COUNTY IN SOUTHWESTERN IOWA…
NORTHEASTERN DOUGLAS COUNTY IN EAST CENTRAL NEBRASKA…
WASHINGTON COUNTY IN EAST CENTRAL NEBRASKA…

* UNTIL 915 AM CDT

* AT 538 AM CDT…DOPPLER RADAR INDICATED HEAVY RAIN DUE TO NUMEROUS THUNDERSTORMS THAT HAVE MOVED THROUGH THE AREA EARLY THIS MORNING. THIS WILL CAUSE MINOR FLOODING IN THE ADVISORY AREA. TWO TO THREE INCHES OF RAIN MAY HAVE HAVE ALREADY FALLEN. ADDITIONAL HEAVY RAIN WILL BE POSSIBLE THROUGH 7 AM.

MONTGOMERY IA-PAGE IA-
524 AM CDT MON JUL 18 2016

…THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR SOUTH CENTRAL MONTGOMERY AND EASTERN PAGE COUNTIES…

AT 523 AM CDT…DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN CONTINUE TO MOVE ACROSS THE WARNED AREA. RADAR HAS ESTIMATED THAT THREE TO FOUR INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. ADDITIONAL THUNDERSTORMS WITH HEAVY RAIN WILL MOVE ACROSS THE AREA EARLY THIS MORNING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
CLARINDA…BRADDYVILLE…COLLEGE SPRINGS…SHAMBAUGH…YORKTOWN AND HEPBURN.

A FLASH FLOOD WARNING CONTINUES UNTIL 10-a.m. for southern Cass, Adams, Union, Taylor and Ringgold Counties, and until 7:45-A.M. for South Central Montgomery and eastern Page Counties. A FLASH FLOOD WATCH IS IN EFFECT UNTIL 8-A.M. for Harrison, Shelby, Pottawattamie, Mills, Montgomery and Page Counties, and until 9-a.m. for Cass, Adair, Adams, Audubon, Crawford, Carroll, Dallas, Guthrie, Madison, Ringgold, Taylor and Union Counties.

Heavy rain has fallen, and continues to fall over the listening area. Rainfall of 2-4 inches per hour will be common during the storms, with some locations receiving 3-6 inches.

A FLASH FLOOD WARNING means flooding is occurring or will occur soon. A FLASH FLOOD WATCH means conditions may develop that lead to flash flooding. Be especially cautious while driving at night, and never cross a road with water flowing over it.

419 AM CDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* FLASH FLOOD WARNING FOR…SOUTH CENTRAL MONTGOMERY COUNTY IN SOUTHWESTERN IOWA…EASTERN PAGE COUNTY IN SOUTHWESTERN IOWA… UNTIL 745 AM CDT

* AT 418 AM CDT…DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. AROUND THREE INCHES OF RAIN MAY HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. ADDITIONAL THUNDERSTORMS WITH HEAVY RAIN ARE POSSIBLE THROUGH DAYBREAK.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…CLARINDA…BRADDYVILLE…COLLEGE SPRINGS… SHAMBAUGH…YORKTOWN AND HEPBURN.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.