Skyscan Forecast  Tuesday, June 21st  Dan Hicks

Today: Partly cloudy, scattered showers and t’storms. SE @ 10-15. High 85.

Tonight: Partly cloudy to cloudy. Scattered showers and t’storms. S @ 10-15. Low 70.

Wednesday: Partly cloudy. Windy and warmer. SW @ 10-20. High 94.

Thursday: Partly cloudy. High 86.

Friday: Partly cloudy. Isolated thunderstorms. High 88.

Saturday:  Partly cloudy and warmer, high of 92.

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The National Weather Service has cancelled Severe Thunderstorm Watch #276 that was in effect until 11-p.m. No Iowa counties are under a watch as of 7:30-p.m.

07 PM CDT MON JUN 20 2016 …

NICKEL HAIL POSSIBLE… AT 406 PM CDT…DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR GRISWOLD…OR 7 MILES SOUTH OF ATLANTIC…MOVING EAST AT 40 MPH. NICKEL SIZE HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE: GRISWOLD, LEWIS, MASSENA, CUMBERLAND, COLD SPRINGS STATE PARK AND GRISWOLD PARK.

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.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH #276, WHICH IS IN EFFECT UNTIL 11-P.M.

IOWA COUNTIES INCLUDED ARE: ADAIR ADAMS APPANOOSE CASS CLARKE DAVIS DECATUR FREMONT HARRISON LUCAS MADISON MILLS MONROE MONTGOMERY PAGE POTTAWATTAMIE RINGGOLD SHELBY TAYLOR UNION VAN BUREN WAPELLO WAYNE

Skyscan Forecast  Monday, June 20th  Dan Hicks

Today: Partly cloudy. Isolated showers and thunderstorms. N @ 5-10. High 88.

Tonight: Partly cloudy to cloudy. Scattered showers and t’storms. NE @ 5. Low 65.

Tuesday: Showers and thunderstorms in the morning. Becoming partly cloudy. SE @ 10. High 85.

Wednesday: Thunderstorms possible early. Partly cloudy. Windy and warmer. High 94.

Thursday: Partly Cloudy. Cooler. High 88.

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BOONE-STORY-MARSHALL-TAMA-DALLAS-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA COUNTIES, INCLUDING THE CITIES OF: BOONE; AMES; MARSHALLTOWN; TAMA; TOLEDO; TRAER; DYSART; GLADBROOK; PERRY; WAUKEE; ADEL; DES MOINES; NEWTON; GRINNELL; WINTERSET; EARLHAM; INDIANOLA; NORWALK; CARLISLE; PELLA; KNOXVILLE and OSKALOOSA…

…OZONE LEVELS MAY BE ELEVATED TODAY…

THE IOWA DEPARTMENT OF NATURAL RESOURCES ADVISES THAT CLEAR SKIES AND VERY WARM TEMPERATURES TODAY MAY BE ASSOCIATED WITH OZONE LEVELS THAT ARE UNHEALTHY FOR SENSITIVE GROUPS SUCH AS CHILDREN…THE ELDERLY AND THOSE WITH ASTHMA OR OTHER RESPIRATORY PROBLEMS. MEMBERS OF THESE GROUPS SHOULD LIMIT OUTDOOR EXERTION DURING THE AFTERNOON AND EARLY EVENING.

IOWANS MAY KEEP TRACK OF EVOLVING AIR QUALITY CONDITIONS ON THE WEB AT WWW.AIRNOW.GOV.

AREA COUNTIES: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE–

TODAY AND TONIGHT: THE HEAT INDEX WILL REACH THE 99 TO 104 RANGE THIS AFTERNOON. THERE IS A CHANCE FOR THUNDERSTORMS IN NORTHEAST NEBRASKA BY EARLY EVENING…SPREADING INTO EAST CENTRAL NEBRASKA AND WEST CENTRAL IOWA NEAR MIDNIGHT…AND INTO SOUTHEAST NEBRASKA AND SOUTHWEST IOWA LATE TONIGHT AS A COLD FRONT MOVES SOUTH THROUGH THE AREA.

THERE IS A SMALL CHANCE FOR SEVERE THUNDERSTORMS IN NORTHEAST
NEBRASKA THIS EVENING…WITH DAMAGING WINDS THE PRIMARY THREAT. A FEW STRONG STORMS ARE POSSIBLE ALONG AND NORTH OF INTERSTATE
80…BUT THE INTENSITY OF STORMS SHOULD BE DECREASING TOWARD AND
AFTER MIDNIGHT.

SPOTTER ACTIVATION SHOULD NOT BE NEEDED TODAY OR TONIGHT.

MONDAY THROUGH SATURDAY: THERE REMAINS A CHANCE FOR THUNDERSTORMS ACROSS ALL OF THE OUTLOOK AREA MONDAY THROUGH TUESDAY NIGHT. SEVERE STORMS ARE POSSIBLE MONDAY IN SOUTHEAST NEBRASKA AND SOUTHWEST IOWA JUST NORTH OF A COLD FRONT THAT WILL STALL OVER NORTHERN KANSAS AND NORTHERN MISSOURI. AS THAT FRONT MOVES BACK NORTH ON TUESDAY…SEVERE STORMS ARE POSSIBLE OVER MOST OF EASTERN NEBRASKA AND SOUTHWEST IOWA.

AREA COUNTIES: SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD
502 AM CDT SUN JUN 19 2016

TODAY AND TONIGHT: HOT AND HUMID WEATHER IS EXPECTED TODAY AS HEAT INDEX VALUES LOOK TO RISE INTO THE UPPER 90S TO NEAR 100 THIS AFTERNOON. A MARGINAL RISK FOR SEVERE STORMS IS FORECAST LATE TONIGHT INTO EARLY MONDAY MORNING OVER WESTERN TO NORTHERN IOWA. THE MAIN THREAT WILL BE ISOLATED SEVERE STORMS WITH LARGE HAIL AND DAMAGING WINDS.

SPOTTER INFORMATION STATEMENT:  SPOTTER ACTIVATION MAYBE NEEDED AT TIMES LATE TONIGHT THROUGH EARLY WEDNESDAY.

MONDAY THROUGH SATURDAY: PERIODIC THUNDERSTORM CHANCES CONTINUE MONDAY THROUGH WEDNESDAY. LOCALLY HEAVY RAIN AND ISOLATED SEVERE STORMS ARE POSSIBLE OVER SOUTHERN PORTIONS OF IOWA MONDAY NIGHT. A SLIGHT RISK FOR SEVERE STORMS IS FORECAST FOR TUESDAY AFTERNOON AND EVENING OVER MUCH OF IOWA. LARGE HAIL AND DAMAGING WINDS LOOK TO BE THE MAIN THREAT. IN ADDITION, HEAVY RAIN IS POSSIBLE AND MAY CAUSE SOME LOCALIZED FLASH FLOODING AND EVEN RIVER FLOODING.

Today: Mostly Cloudy becoming Partly Cloudy in the afternoon. High 91. SE @ 10-15.

Tonight: Mostly Clear. Low 64. SE @ 5.

Sunday: Hot and humid. Mostly Sunny. High 95. S @ 15-20.

Sunday Night: Partly Cloudy. Moderate chance of showers and thunderstorms. Low 70.

Monday: Partly Sunny. Moderate chance of showers and thunderstorms.  High 91.

Tuesday: Mix of sun and clouds. Isolated Lingering showers.  High 86.

Wednesday: Mix of sun and clouds. High 92.

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MONONA-HARRISON-POTTAWATTAMIE-MILLS-FREMONT COUNTIES IN IA…HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING…

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A HEAT ADVISORY…WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING.

* TEMPERATURE…TEMPERATURES THIS AFTERNOON WILL PEAK AT 93 TO 100 DEGREES. HEAT INDEX VALUES WILL PEAK AT 105 TO 110 DEGREES.

* IMPACTS…HEAT AND HUMIDITY WILL MAKE HEAT-RELATED ILLNESSES SUCH AS HEAT EXHAUSTION AND HEAT STROKE MORE LIKELY.

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.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE… RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER.

TO REDUCE RISK DURING OUTDOOR WORK… THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY SO CALL 911.