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Hazardous Weather Outlook for Cass and area Counties in IA

Weather

July 18th, 2016 by Ric Hanson

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.