South Portland, ME Weather Alerts

* WHAT...For the first Heat Advisory, heat index values up to 98.
For the second Heat Advisory, heat index values up to 98 expected.

* WHERE...Portions of south central, southwest, and western Maine
and central, northern, and southern New Hampshire.

* WHEN...For the first Heat Advisory, until 8 PM EDT this evening.
For the second Heat Advisory, from noon to 6 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 448 IN
EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS

IN MAINE THIS WATCH INCLUDES 5 COUNTIES

IN SOUTHWEST MAINE

ANDROSCOGGIN CUMBERLAND YORK

IN WESTERN MAINE

FRANKLIN OXFORD

IN NEW HAMPSHIRE THIS WATCH INCLUDES 10 COUNTIES

IN CENTRAL NEW HAMPSHIRE

BELKNAP MERRIMACK STRAFFORD
SULLIVAN

IN NORTHERN NEW HAMPSHIRE

CARROLL COOS GRAFTON

IN SOUTHERN NEW HAMPSHIRE

CHESHIRE HILLSBOROUGH ROCKINGHAM

THIS INCLUDES THE CITIES OF ALFRED, ANDOVER, ASHLAND, ATKINSON,
AUBURN, AVON, BARRINGTON, BERLIN, BETHEL, BETHLEHEM, BIDDEFORD,
BOSCAWEN, BRIDGEWATER, BROOKFIELD, BRYANT POND, BYRON,
CANTERBURY, CAPE ELIZABETH, CHESTER, CLAREMONT, COBURN GORE,
CONCORD, CORNISH, CROYDON, DAVIS, DERRY, DOVER, DUMMER,
DUNBARTON, DURHAM, ERROL, FARMINGTON, GILFORD, GILSUM, GOSHEN,
GRANTHAM, GREENE, HAMPSTEAD, HANOVER, HOLLIS, JACKSON, KEENE,
KINGFIELD, LACONIA, LEBANON, LEBANON, LEMPSTER, LEWISTON,
LINCOLN, LITTLETON, LOUDON, LYME, MADBURY, MANCHESTER, MARLOW,
MILAN, MILLSFIELD, MINOT, NASHUA, NEW GLOUCESTER, NEWTON,
OLD ORCHARD BEACH, OQUOSSOC, OSSIPEE, PELHAM, PLAISTOW, PORTLAND,
RANGELEY, ROCHESTER, ROLLINSFORD, SABATTUS, SACO, SALEM, SANFORD,
SOMERSWORTH, SOUTH PORTLAND, SUGAR HILL, SULLIVAN, SURRY,
TUFTONBORO, TURNER, UNITY, UPTON, WAKEFIELD, WALES, WESTBROOK,
WILSONS MILLS, WOLFEBORO, AND YORK POND.

* WHAT...Dangerously hot conditions with heat index values up to 105
expected.

* WHERE...Portions of south central, southwest, and western Maine
and central, northern, and southern New Hampshire.

* WHEN...From 11 AM this morning to 7 PM EDT this evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

* WHAT...Very minor coastal flooding at the time of high tide
tonight.

* WHERE...In Maine, Coastal York and Coastal Cumberland
Counties. In New Hampshire, Coastal Rockingham County.

* WHEN...From 1 AM to 3 AM EDT Friday.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.

* WHAT...Minor coastal flooding around the time of high tide.

* WHERE...In Maine, Coastal York and Coastal Cumberland
Counties. In New Hampshire, Coastal Rockingham County.

* WHEN...From 11 PM this evening to 2 AM EDT Wednesday.

* IMPACTS...Very minor flooding of lots, parks, and roads
expected.

A period of moderate to heavy rain is expected through Friday as
low pressure moves up the coast. The rain will fall on a primed
snowpack leading to significant melt. The combination of rain and
snowmelt will increase flows in rivers and streams, some of which
could reach critical levels.

* WHAT...Flooding caused by rain and snowmelt continues to be
possible.

* WHERE...Portions of south central, southwest, west central, and
western Maine, including the following areas, in Maine, Central
Interior Cumberland. In south central Maine, Coastal Waldo,
Interior Waldo, Kennebec, Knox, Lincoln, Sagadahoc and Southern
Somerset. In southwest Maine, Androscoggin and Coastal Cumberland.
In west central Maine, Central Somerset. In western Maine,
Interior Cumberland Highlands, Southern Franklin and Southern
Oxford.

* WHEN...Through Friday evening.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas.

A period of heavy rain is expected on Saturday as low pressure
moves up the coast. This period of heavy rain may be sandwiched in
between mixed precipitation Friday night and again Saturday evening
and night. However, up to 2 inches of rain on cold ground may cause
urban and small stream flooding.

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Portions of Maine, including the following areas, Coastal
Cumberland, Coastal Waldo, Coastal York, Knox, Lincoln and
Sagadahoc and New Hampshire, including the following areas,
Coastal Rockingham, Eastern Hillsborough, Interior Rockingham and
Strafford.

* WHEN...From Saturday afternoon through Saturday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* WHAT...For the Dense Fog Advisory, visibility of a quarter-mile or
less in dense fog. For the Wind Advisory, west winds 20 to 30 mph
with gusts up to 50 mph expected.

* WHERE...In Maine, Central Interior Cumberland, Sagadahoc,
Androscoggin, Coastal Cumberland, Coastal York, and Interior York
Counties. In New Hampshire, Coastal Rockingham County.

* WHEN...For the Dense Fog Advisory, until midnight EST tonight. For
the Wind Advisory, from 8 PM Wednesday to 3 PM EST Thursday.

* IMPACTS...Low visibility could make driving conditions hazardous.
Gusty winds will blow around unsecured objects. Tree limbs could
be blown down and a few power outages may result.

* ADDITIONAL DETAILS...As rain showers move into the area later this
evening the fog will begin to lift.

* WHAT...For the Dense Fog Advisory, visibility of a quarter-mile or
less in dense fog. For the Wind Advisory, west winds 20 to 30 mph
with gusts up to 50 mph expected.

* WHERE...In Maine, Central Interior Cumberland, Sagadahoc,
Androscoggin, Coastal Cumberland, Coastal York, and Interior York
Counties. In New Hampshire, Coastal Rockingham County.

* WHEN...For the Dense Fog Advisory, until midnight EST tonight. For
the Wind Advisory, from 8 PM Wednesday to 3 PM EST Thursday.

* IMPACTS...Low visibility could make driving conditions hazardous.
Gusty winds will blow around unsecured objects. Tree limbs could
be blown down and a few power outages may result.

* ADDITIONAL DETAILS...As rain showers move into the area later this
evening the fog will begin to lift.

Locally icy conditions can be expected late this evening as the
wet roadways become slick. Winds will become gusty overnight dry
out conditions by morning. In the meantime, allow extra care for
slippery driving conditions.