…DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING…

EARLY THIS MORNING…MOSTLY CLEAR. WIDESPREAD DENSE FOG. WEST WIND NEAR 5 MPH.

TODAY…WIDESPREAD DENSE FOG IN THE MORNING, OTHERWISE PARTLY SUNNY WITH AREAS OF FOG EARLY IN THE AFTERNOON. HIGH IN THE UPPER 30S. SOUTHEAST WIND NEAR 10 MPH.

TONIGHT…MOSTLY CLOUDY. WIDESPREAD FOG THROUGH THE NIGHT. A CHANCE OF DRIZZLE AFTER MIDNIGHT. A CHANCE OF DRIZZLE AND A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. LOW IN THE LOWER 30S. EAST WIND 5 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT.

CHRISTMAS DAY…RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS. WIDESPREAD FOG. WINDY, WARMER. HIGH IN THE MID 50S. SOUTHEAST WIND 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION NEAR 100 PERCENT.

SUNDAY NIGHT…PARTLY CLOUDY. A 40 PERCENT CHANCE OF LIGHT RAIN SHOWERS THROUGH MIDNIGHT. BREEZY. LOW IN THE UPPER 20S. SOUTHWEST WIND 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.

MONDAY…SUNNY, BREEZY, COLDER. HIGH IN THE MID 30S. WEST WIND 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.

TUESDAY…SUNNY. HIGH IN THE UPPER 30S.

THE NATIONAL WEATHER SERVICE SAYS A DENSE FOG ADVISORY IS IN EFFECT UNTIL 9 AM TODAY (SATURDAY) FOR ALL OF WESTERN AND SOUTHWEST IOWA, PARTS OF NORTHWEST AND NORTH CENTRAL IOWA.

* VISIBILITY…DENSE FOG WILL DROP VISIBILITIES TO ONE QUARTER MILE OR LESS AT TIMES THIS MORNING.

* IMPACTS…IN ADDITION TO VISIBILITY RESTRICTIONS THIS MORNING…THE FOG MAY CREATE A LIGHT MIST OR RESULT IN FROST ON ROADWAYS AND CAUSE ICY PATCHES ESPECIALLY ON OVERPASSES AND BRIDGES.

Dense Fog Advisory for Counties in gray.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

147 PM CST FRI DEC 23 2016

SNOW WILL END FROM WEST TO EAST THIS AFTERNOON….SNOW IS BEGINNING TO DIMINISH AND WILL END DURING THE AFTERNOON…WITH LIGHT ADDITIONAL ACCUMULATIONS BEFORE SUNSET.

THE WINTER WEATHER ADVISORY IS CANCELLED. SOME ROADS MAY REMAIN SLICK HOWEVER.

AREA COUNTIES: SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM. (12/23). MONONA-HARRISON-POTTAWATTAMIE & SHELBY COUNTIES: A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1-P.M.

* TIMING…SNOW WILL PERSIST INTO THE AFTERNOON…THEN END FROM
WEST TO EAST BEFORE SUNSET.

* STORM TOTAL SNOW ACCUMULATIONS…3 TO 5 INCHES WITH ISOLATED HIGHER AMOUNTS, ESPECIALLY IN THOSE COUNTIES NORTH OF I-80.

* WINDS/VISIBILITY…SOUTH AT 15 TO 25 MPH AND GUSTY. VISIBILITIES
WILL BE REDUCED AT TIMES TO LESS THAN ONE HALF MILE IN SNOW AT
TIMES. SOME PATCHY BLOWING SNOW IS ALSO EXPECTED.

* IMPACTS…SLICK…SNOW-COVERED ROADS. REDUCED VISIBILITIES.
TRAVEL WITH CAUTION. REDUCE YOUR SPEED AND INCREASE THE SPACING
BETWEEN YOU AND THE VEHICLE AHEAD OF YOU. HOLIDAY TRAVELERS
SHOULD REMAIN ALERT TO ROAD CONDITIONS BY CHECKING THE LATEST
ROAD REPORT PRIOR TO HEADING OUT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE
DRIVING.

NORMAN, Okla. (AP) – The weather outside will be frightful for some holiday travelers this weekend, with snow stretching from the Rocky Mountains to the upper Midwest on Christmas Eve and possible severe weather in the middle of the U.S. on Christmas Day. Forecasters cautioned travelers to keep alternate routes in mind and prepare for possible delays.

There is a blizzard watch posted for much of the Dakotas and a winter storm watch in effect from Montana to Lake Superior. The Storm Prediction Center cautioned that warm, humid air would bring possible severe weather to the Plains states on Sunday – reaching as far north as Omaha, Nebraska.

A lesser threat of severe weather extended southward into Arkansas and Oklahoma, where the atmosphere would be warm but more stable.

Today: Cloudy w/a mix of rain/sleet or snow (<1” snow in Atlantic) through about 2-p.m.. High 37. S @ 10-20.

Tonight: Cloudy to P/Cldy w/widespread fog. Low 20. NW @ 10.

Tomorrow: Areas of fog during the morning & evening, otherwise P/Cloudy. High near 40. Variable breeze @ 10-15.

Saturday Night: A slight chance of drizzle of freezing drizzle. Low around 32.

Sunday: Cloudy, windy & mild w/morning rain & afternoon thunderstorms. High 54.

Monday: P/Cldy to Cloudy & cooler. High near 38.

Thursday’s High in Atlantic was 43. We received a Trace of snow this morning (between 6-7-a.m.). Our 24-Hour Low (ending at 7-a.m. today) was 15. Last year on this date, our High in Atlantic was 41 and the low was 27. The Record High in Atlantic on this date was 62 in 1964. The Record Low was -22 in 1983.

(Update 6:20-a.m.) THE NATIONAL WEATHER SERVICE HAS EXPANDED THE WINTER WEATHER ADVISORY TO AUDUBON AND GUTHRIE COUNTIES.

Monona-Harrison Pottawattamie & Shelby Counties: Winter Weather Advisory in effect until 1-p.m. today (Friday). Audubon-Guthrie-Sac-Crawford & Carroll Counties: Winter Weather Advisory in effect until 6-p.m. today.

* TIMING…SNOW WILL CONTINUE THIS MORNING AND SLOWLY INTENSIFY
INTO MID MORNING. HEAVIEST SNOW WILL OCCUR LATE THIS MORNING
WITH THE SNOW ENDING BY LATE AFTERNOON.

* STORM TOTAL SNOW ACCUMULATIONS…2 TO 5 INCHES.

* WINDS/VISIBILITY…SOUTH AT 15 TO 25 MPH AND GUSTY.
* VISIBILITIES WILL BE REDUCED AT TIMES TO LESS THAN ONE HALF
MILE IN SNOW. SOME PATCHY BLOWING SNOW IS ALSO EXPECTED.

* IMPACTS…SLICK…SNOW-COVERED ROADS. REDUCED VISIBILITIES…
TRAVEL WITH CAUTION. REDUCE YOUR SPEED AND INCREASE THE
SPACING BETWEEN YOU AND THE VEHICLE AHEAD OF YOU. ALLOW ENOUGH
TIME FOR STOPPING IN SLICK CONDITIONS. HOLIDAY TRAVELERS
SHOULD REMAIN ALERT TO ROAD CONDITIONS BY CHECKING THE LATEST
ROAD REPORT PRIOR TO HEADING OUT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE
DRIVING.

(Updated 5:40-a.m. to include Pottawattamie County) Monona-Harrison Pottawattamie & Shelby Counties: Winter Weather Advisory in effect until 1-p.m. today (Friday). Sac-Crawford & Carroll Counties: Winter Weather Advisory in effect until 6-p.m. today.

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND A WINTRY MIX OF PRECIPITATION.

* TIMING...PRECIPITATION WILL CONTINUE TO DEVELOP OVER THE AREA
  THROUGH THE MORNING AND DECREASE BY EARLY TO MID AFTERNOON.

* MAIN IMPACT...SNOW AND ICE ACCUMULATIONS ON ROADS, SIDEWALKS AND
  OTHER EXPOSED SURFACES. SNOW ACCUMULATIONS FROM 2 TO 5 INCHES
  ARE POSSIBLE IN THE ADVISORY AREA. ICE ACCUMULATIONS SHOULD BE
  LESS THAN A TENTH OF AN INCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW, SLEET, OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE
DRIVING.

Updated 338 AM CST FRI DEC 23 2016

EARLY THIS MORNING…CLOUDY WITH A CHANCE OF LIGHT SNOW POSSIBLY MIXED WITH RAIN AND. NOT AS COLD. SOUTH WIND AROUND 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.

TODAY…LIGHT SNOW UNTIL LATE AFTERNOON. LIGHT RAIN LIKELY IN THE LATE MORNING AND EARLY AFTERNOON, THEN A CHANCE OF LIGHT RAIN AND SNOW LATE IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. HIGH IN THE MID 30S. SOUTH WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION 90 PERCENT.

TONIGHT…MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. COLDER. WIDESPREAD FOG AFTER MIDNIGHT. LOW IN THE LOWER 20S. WEST WIND 5 TO 10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.

SATURDAY…PARTLY SUNNY. WIDESPREAD FOG IN THE MORNING. PATCHY FOG LATE IN THE AFTERNOON. HIGH IN THE UPPER 30S. SOUTHEAST WIND NEAR 10 MPH.

SATURDAY NIGHT…MOSTLY CLOUDY. WIDESPREAD FOG THROUGH THE NIGHT. A SLIGHT CHANCE OF FREEZING DRIZZLE THROUGH MIDNIGHT. A CHANCE OF DRIZZLE THROUGH THE NIGHT. LOW IN THE LOWER 30S. SOUTHEAST WIND 5 TO 15 MPH. CHANCE OF PRECIPITATION 40 PERCENT.

CHRISTMAS DAY…RAIN AND DRIZZLE IN THE MORNING, THEN RAIN AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WIDESPREAD FOG THROUGH THE DAY. WINDY, WARMER. HIGH IN THE MID 50S. SOUTHEAST WIND 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT.

SUNDAY NIGHT…MOSTLY CLOUDY. A 20 PERCENT CHANCE OF LIGHT RAIN THROUGH MIDNIGHT. BREEZY. LOW IN THE MID 20S.

MONDAY…SUNNY, BREEZY. MUCH COLDER. HIGH IN THE LOWER 30S.

Today: Partly Cloudy. High 44. SW @ 10.

Tonight: Cloudy w/a mix of light snow, rain and/or freezing rain, late. Low 25. S @ 5.

Tomorrow: Cloudy w/light mixed precip. becoming mostly light rain. High 36. S @ 10-15.

Saturday: P/Cloudy. High 42.

Sunday: Cloudy, windy & mild w/a chance of rain. High near 50.

Wednesday’s High in Atlantic was 49. Our 24-Hour Low (ending at 7-a.m. today) was 17. Last year on this date, our High in Atlantic was 44 and the low was 28. The Record High in Atlantic on this date was 65 in 1933. The Record Low was -27 in 1989.