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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
412 PM CST Sun Feb 19 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
202215-
Winnebago-Boone-McHenry-Lake Illinois-Ogle-Lee-De Kalb-Kane-
DuPage-Cook-La Salle-Kendall-Grundy-Will-Kankakee-Livingston-
Iroquois-Ford-Lake Indiana-Porter-Newton-Jasper-Benton-
412 PM CST Sun Feb 19 2017 /512 PM EST Sun Feb 19 2017/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...Tonight.

WEATHER HAZARDS EXPECTED:

  Elevated Fog Risk.

DISCUSSION:

Fog is likely overnight, some of which may be dense.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday...
  Elevated Fog Risk.
  Limited Thunderstorm Risk.
Thursday...
  Limited Thunderstorm Risk.
Friday...
  Limited Thunderstorm Risk.
  Limited Non Thunderstorm Wind Risk.
  Limited Fire Weather Risk.

DISCUSSION:

Fog is likely Monday morning, some of which may be dense.
Scattered thunderstorms are possible Monday night, though
severe weather is not anticipated.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

&&

$$

Hazardous Weather Outlook
National Weather Service Des Moines IA
342 PM CST Sun Feb 19 2017

IAZ034>039-046>050-202145-
Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-Greene-Boone-
Story-Marshall-Tama-
342 PM CST Sun Feb 19 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

There is an elevated fire threat across the area this afternoon
due to abnormally dry and warm conditions along with breezy south
winds.

Isolated non-severe thunderstorms are possible late tonight west
of Interstate 35.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Isolated non-severe thunderstorms are possible through Monday afternoon.
Brief heavy rainfall is possible with the thunderstorms.

Wintry precipitation is possible Thursday night and Friday with
the best chance for moderate snow accumulations over northern
Iowa. In addition, gusty northwest winds are expected to develop
on Friday. Hazardous travel impacts may be possible Thursday
night into Friday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Des Moines IA
342 PM CST Sun Feb 19 2017

IAZ004>007-015>017-023>028-202145-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-
342 PM CST Sun Feb 19 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Isolated non-severe thunderstorms are possible late tonight.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Isolated non-severe thunderstorms are possible Monday. Brief
heavy rainfall may occur with the thunderstorms. Areas that do
receive brief heavy rainfall could experience some minor flooding
due to runoff.

Wintry precipitation is possible Thursday night and Friday with
the best chance for moderate snow accumulations over northern
Iowa. In addition, gusty northwest winds are expected to develop
on Friday. Hazardous travel impacts may be possible Thursday
night into Friday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Quad Cities Ia IL
944 AM CST Sun Feb 19 2017

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-201545-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
944 AM CST Sun Feb 19 2017

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

Patchy dense fog is possible late tonight into early Monday
morning, especially over northwest and west central Illinois.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Warm conditions will continue through Wednesday, with thunderstorms
possible both Monday afternoon and evening, and again Thursday
into Friday. Severe thunderstorms are not expected Monday and
Monday night. It is too early to determine the threat for severe
thunderstorms Thursday into Friday. A strong cold front will
arrive Friday, resulting in rain changing over to snow Friday
night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

DLS


Hydrologic Outlook


HYDROLOGIC OUTLOOK
WIC001-057-201832-


HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
1132 AM CST SUN FEB 19 2017

...Minor Flooding possible along The Wisconsin River at Castle Rock
Dam...and the Yellow River at Necedah...

Forecast rainfall and melting snow, combined with ground that may be
saturated or frozen, are expected to result in rising water levels.
Should this forecast materialize, minor flooding may be possible in
these areas.

Wisconsin River at Castle Rock Dam...The flow this morning was 14146
cubic feet per second. Flooding begins at 30000 cfs. The river is
forecast to rise above flooding level Thursday morning, and reach a
flow of 33000 to 35000 cubic feet per second Friday morning. This
would result in minor flooding.

Yellow River at Necedah...The stage this morning was 10.52 feet.
Flood stage is 15.0 feet. The river is forecast to rise above flood
stage Friday morning, and crest between 15 to 16 feet Saturday. This
would result in Minor flooding.

$$

Hollan

HYDROLOGIC OUTLOOK
WIC053-063-121-201821-


HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
1121 AM CST SUN FEB 19 2017

...Minor flooding possible along The Black River at Black River Falls...
and Galesville...

Forecast rainfall and melting snow, combined with ground that may be
saturated or frozen, are expected to result in rising water levels.
Should this forecast materialize, minor flooding may be possible in
these areas.

Black River at Black River Falls...The stage this morning was 37.79
feet. Flood stage is 47.0 feet. The river is forecast to rise above
flood stage Tuesday morning, and crest between 48 to 50 feet Tuesday
night. This would result in Minor flooding.

Black River at Galesville...The stage this morning was 5.31 feet.
Flood stage is 12.0 feet. The river is forecast to rise above flood
stage Thursday morning, and crest between 12 to 13 feet Friday morning.
This would result in Minor flooding.

$$

Hollan

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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