Saint John, IN

1:19 AM CST on February 10, 2012 (GMT -0600)
Elev: 712 ft
Lon: 87.5° W
Lat: 41.4° N
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Active Advisory: Lake Effect Snow Watch (US Severe Weather)
Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Jessica Parker
Weather Underground Forecast for Friday, February 10, 2012.

Expect active weather to move into the East on Friday, as a trough of low pressure moves from the Southern Plains and into the Eastern Valleys. Flow around this system will pull moisture and energy in from the Gulf of Mexico. This will produce scattered showers and thunderstorms over the Southern Plains and Lower Mississippi River Valley throughout the day. There is a slight chance that these storms will turn severe with strong winds and heavy downpours. The northern side of this system will push a cold front into the Midwest, which will move through the Great Lakes and into the Ohio River Valley. Expect light and scattered snow showers to develop along the front as it passes through northern Michigan and into the eastern Ohio Valley and the Central Appalachians. Warmer temperatures ahead of this system will allow for rain showers to develop in parts of the Mid-Atlantic states and the Tennessee Valley.

Out West, a weak trough of low pressure moves onshore from the Pacific Ocean, bringing some moisture onshore with it. This will produce more rain and high elevation snow showers over the Pacific Northwest. Some of this moisture will stretch southward into northern California, allowing for light rain and high elevation snow showers to spread into the northern Sierras.
Weather Underground Forecast for Friday, February 10, 2012.

Expect active weather to move into the East on Friday, as a trough of low pressure moves from the Southern Plains and into the Eastern Valleys. Flow around this system will pull moisture and energy in from the Gulf of Mexico. This will produce scattered showers and thunderstorms over the Southern Plains and Lower Mississippi River Valley throughout the day. There is a slight chance that these storms will turn severe with strong winds and heavy downpours. The northern side of this system will push a cold front into the Midwest, which will move through the Great Lakes and into the Ohio River Valley. Expect light and scattered snow showers to develop along the front as it passes through northern Michigan and into the eastern Ohio Valley and the Central Appalachians. Warmer temperatures ahead of this system will allow for rain showers to develop in parts of the Mid-Atlantic states and the Tennessee Valley.

Out West, a weak trough of low pressure moves onshore from the Pacific Ocean, bringing some moisture onshore with it. This will produce more rain and high elevation snow showers over the Pacific Northwest. Some of this moisture will stretch southward into northern California, allowing for light rain and high elevation snow showers to spread into the northern Sierras.
Weather Underground Broadcast Network
Saint John Weather at a Glance
Updated 1:00 AM CST
Weather Station - report
Briar Crossing Park, Dyer
Elevation
640 ft
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Now
Overcast
Overcast
Temperature
31.7 °F
Feels Like 28 °F
Wind(mph)
4.0
Sunrise / Set
6:51 AM
5:16 PM
Moon
Waning Gibbous
Tonight
Clear 27 °F
Clear
Friday
Snow Showers 31 °F
Snow Showers
60% chance of precipitation
Friday Night
Snow Showers 16 °F
Snow Showers
70% chance of precipitation
Saturday
Snow Showers 25 | 13 °F
Snow Showers
60% chance of precipitation
Sunday
Clear 27 | 14 °F
Clear
Monday
Chance of Snow 31 | 27 °F
Chance of Snow
30% chance of precipitation
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
29.39 in
Visibility
10.0 miles
Clouds
Overcast 3100 ft
Moisture
Humidity
81%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KIGQ 100715Z AUTO 23010KT 10SM OVC031 00/M03 A3007 RMK AO2 T10031035
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Windchill
28 °F
Dew Point
27 °F
Wind
Speed / Dir
4.0 mph from SSW
Wind Gust
15.0 mph
Health
UV
0 out of 16
Pollen
.10 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Moderate
Flu Activity
Sporadic
View Flu Map
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Regional Forecast for Lake
Friday
chancesnow Mostly cloudy with accumulating lake effect snow in the afternoon...otherwise a chance of snow showers. Blustery. Highs in the lower 30s. West winds 10 to 15 mph with gusts to 30 mph at times until late afternoon shifting to the north 15 to 25 mph with gusts to 30 mph late in the afternoon. Chance of snow from 40 percent south to 90 percent near the lake.
Friday Night
nt_chancesnow Cloudy with accumulating lake effect snow north and a 50 percent chance of snow showers south. Blustery. Lows 15 to 19. North winds 15 to 25 mph in the evening with gusts up to 30 mph...decreasing to 10 to 15 mph after midnight.
Saturday
chancesnow Accumulating lake effect snow north with snow showers likely south in the morning...becoming partly cloudy in the afternoon. Highs in the mid 20s. Northwest winds 10 to 15 mph with gusts to 30 mph. Chance of snow from 60 percent south to near 100 percent north.
Saturday Night
nt_sunny Mostly clear. Lows 11 to 15. West winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Sunday
sunny Sunny. Highs in the upper 20s.
Sunday Night
nt_sunny Mostly clear. Lows 15 to 19.
Monday
snow Partly sunny in the morning then becoming cloudy. A 30 percent chance of light snow. Highs in the lower 30s.
Monday Night
nt_snow Cloudy with a 50 percent chance of light snow. Lows in the upper 20s.
Tuesday
chancesnow Cloudy with a 20 percent chance of snow showers. Highs in the mid 30s.
Tuesday Night and Wednesday
nt_cloudy Mostly cloudy. Lows in the upper 20s. Highs around 40.
Wednesday Night
nt_snow Mostly cloudy with a 30 percent chance of light rain or snow. Lows in the lower 30s.
Thursday
snow Cloudy with a 50 percent chance of rain or snow. Highs in the lower 40s.
Source: NWS at 9:18 PM CST on February 9, 2012
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Nowcast
Lake effect snow watch in effect from Friday afternoon through Saturday afternoon...
Forecast
View Calendar 7-Day Weather Forecast for 46373
Friday, 10
Snow Showers
31 | 16 °F
Snow Showers
Chance of
Precipitation
60%
Saturday, 11
Snow Showers
25 | 13 °F
Snow Showers
Chance of
Precipitation
60%
Sunday, 12
Clear
27 | 14 °F
Clear
Chance of
Precipitation
0%
Monday, 13
Chance of Snow
31 | 27 °F
Chance of Snow
Chance of
Precipitation
30%
Tuesday, 14
Chance of Snow
36 | 29 °F
Chance of Snow
Chance of
Precipitation
20%
Wednesday, 15
Partly Cloudy
40 | 31 °F
Partly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Chance of Snow
40 | NA
Chance of Snow
Chance of
Precipitation
50%
Source: NWS at 9:18 PM CST on February 9, 2012
Regional Forecast for Lake
Overnight
nt_cloudy Mostly cloudy. Temperatures nearly steady around 30. Southwest winds 10 to 15 mph.
Friday
chancesnow Mostly cloudy with accumulating lake effect snow in the afternoon...otherwise a chance of snow showers. Blustery. Highs in the lower 30s. West winds 10 to 15 mph with gusts to 30 mph at times until late afternoon shifting to the north 15 to 25 mph with gusts to 30 mph late in the afternoon. Chance of snow from 40 percent south to 90 percent near the lake.
Friday Night
nt_chancesnow Cloudy with accumulating lake effect snow north and a 50 percent chance of snow showers south. Blustery. Lows 15 to 19. North winds 15 to 25 mph in the evening with gusts up to 30 mph...decreasing to 10 to 15 mph after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 27 | 25 31 | 23 25 | 16 20 | 11
Wind 9 mph SW 9 mph WNW 16 mph North 12 mph North
Humidity 88% 74% 68% 70%
Chance of Precip. 10% 60% 60% 70%
Cloud Cover 44% 93% 98% 99%
Conditions Chance of Snow Chance of Snow Snow Showers Snow Showers
Sunrise & Sunset
6:51 AM
5:16 PM
Source: NWS at 9:18 PM CST on February 9, 2012
Regional Forecast for Lake
Saturday
chancesnow Accumulating lake effect snow north with snow showers likely south in the morning...becoming partly cloudy in the afternoon. Highs in the mid 20s. Northwest winds 10 to 15 mph with gusts to 30 mph. Chance of snow from 60 percent south to near 100 percent north.
Saturday Night
nt_sunny Mostly clear. Lows 11 to 15. West winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 16 | 9 22 | 7 20 | 5 16 | 4
Wind 13 mph NNW 12 mph NW 12 mph WNW 11 mph WNW
Humidity 76% 52% 51% 58%
Chance of Precip. 70% 60% 60% 0%
Cloud Cover 87% 50% 31% 21%
Conditions Snow Showers Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
6:50 AM
5:18 PM
Source: NWS at 9:18 PM CST on February 9, 2012
Regional Forecast for Lake
Sunday
sunny Sunny. Highs in the upper 20s.
Sunday Night
nt_sunny Mostly clear. Lows 15 to 19.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 13 | 4 25 | 7 22 | 9 18 | 9
Wind 11 mph West 11 mph West 7 mph West 6 mph WSW
Humidity 69% 43% 54% 67%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 17% 13% 5% 11%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
6:49 AM
5:19 PM
Source: NWS at 9:18 PM CST on February 9, 2012
Regional Forecast for Lake
Monday
snow Partly sunny in the morning then becoming cloudy. A 30 percent chance of light snow. Highs in the lower 30s.
Monday Night
nt_snow Cloudy with a 50 percent chance of light snow. Lows in the upper 20s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 14 | 11 29 | 16 29 | 20 27 | 23
Wind 6 mph SW 9 mph SSW 9 mph South 9 mph SSW
Humidity 83% 60% 71% 88%
Chance of Precip. 0% 30% 30% 50%
Cloud Cover 50% 87% 97% 100%
Conditions Chance of Snow Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
6:48 AM
5:20 PM
Source: NWS at 9:18 PM CST on February 9, 2012
Regional Forecast for Lake
Tuesday
chancesnow Cloudy with a 20 percent chance of snow showers. Highs in the mid 30s.
Tuesday Night and Wednesday
nt_cloudy Mostly cloudy. Lows in the upper 20s. Highs around 40.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 27 | 25 34 | 27 34 | 27 31 | 27
Wind 6 mph SW 7 mph SW 6 mph WSW 5 mph WSW
Humidity 88% 72% 75% 88%
Chance of Precip. 50% 20% 20% 10%
Cloud Cover 100% 97% 85% 58%
Conditions Chance of Snow Chance of Snow Mostly Cloudy Partly Cloudy
Sunrise & Sunset
6:46 AM
5:21 PM
Source: NWS at 9:18 PM CST on February 9, 2012
Regional Forecast for Lake
Tuesday Night and Wednesday
nt_cloudy Mostly cloudy. Lows in the upper 20s. Highs around 40.
Wednesday Night
nt_snow Mostly cloudy with a 30 percent chance of light rain or snow. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 29 | 27 38 | 31 36 | 31 31 | 31
Wind 4 mph SSW 5 mph SSW 4 mph SSE 5 mph South
Humidity 92% 73% 82% 96%
Chance of Precip. 10% 10% 10% 30%
Cloud Cover 69% 58% 69% 78%
Conditions Partly Cloudy Partly Cloudy Chance of Snow Chance of Snow
Sunrise & Sunset
6:46 AM
5:21 PM
Source: NWS at 9:18 PM CST on February 9, 2012
Regional Forecast for Lake
Thursday
snow Cloudy with a 50 percent chance of rain or snow. Highs in the lower 40s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 29 40 | 34 36 | 31 31 | 31
Wind 5 mph SSE 4 mph SSW 4 mph SSE 5 mph South
Humidity 95% 82% 82% 96%
Chance of Precip. 30% 50% 10% 30%
Cloud Cover 89% 91% 69% 78%
Conditions Chance of Snow Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
6:46 AM
5:21 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 10, 2012 Max Temp Min Temp
Normal (KVPZ) 34 °F 19 °F
Record (KVPZ) 61 °F (2009) -13 °F (2011)
Yesterday 33 °F 19 °F
Yesterday's Heating Degree Days: 39
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
PM10
Yesterday Good
OZONE
Current Moderate
PM2.5
Current Good
OZONE
Friday Good
PM2.5
Saturday Good
PM2.5
Sunday Good
PM2.5
Monday Moderate
PM2.5
Coastal Water Temperatures
Place Temperature
No Stations Reporting
Marine Forecast
Astronomy
Feb. 10, 2012 Rise Set
Actual Time 6:51 AM CST 5:16 PM CST
Civil Twilight 6:23 AM CST 5:45 PM CST
Nautical Twilight 5:50 AM CST 6:18 PM CST
Astronomical Twilight 5:18 AM CST 6:50 PM CST
Moon 8:58 PM CST 7:57 AM CST
Length Of Visible Light 11h 22m
Length of Day
10h 24m
Tomorrow will be 2m 30s longer.
Waning Gibbous, 93% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Visit Astronomy
Today's Extremes
State Highs State Lows
34 °F
Evansville
33 °F
Lafayette
32 °F
Huntingburg
32 °F
Rensselaer
32 °F
Michigan City
25 °F
Fort Wayne
26 °F
Warsaw
26 °F
Marion
26 °F
Auburn
27 °F
Goshen
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Painted Pink
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News
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Aviation
City Temp. Conditions Updated
Chicago Lansing 32 °F Overcast 1:15 AM CST
Gary 32 °F Overcast 9:45 PM CST
Valparaiso 30 °F Overcast 12:53 AM CST
Chicago Midway 32 °F Overcast 12:51 AM CST
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Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KIGQ)
Wind Speed: 10.0 kts.
Wind Dir: 199° (SSW)
Ceiling: 3100 ft

METAR KIGQ 100715Z AUTO 23010KT 10SM OVC031 00/M03 A3007 RMK AO2 T10031035

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Nearby Events
Event Date Forecast
SOiL Official 8:00 PM CST 2012-02-10 Snow Showers, 23°F
American English 8:00 PM CST 2012-02-11 Partly Cloudy, 18°F
Chester Brown 10:00 PM CST 2012-02-11 Clear, 19°F
HOLLA 8:00 PM CST 2012-02-17 Overcast, 32°F
Film Festival 6:00 PM CST 2012-02-17 Overcast, 36°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Average High 71° F/ 21° C
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 10, 2012 Partly Cloudy, 45 °F
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 11, 2012 Chance of Rain, 45 °F
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Briar Crossing Park, Dyer, IN 31.7 °F 28 °F 27 °F 81% SSW  at  4.0 mph 0.00 in / hr 640 ft 1:00 AM CST Normal  
Cedar Lake N. Shore, Cedar Lake, IN 32.2 °F 24 °F 28 °F 83% South  at  9.2 mph 0.00 in / hr 665 ft 1:19 AM CST Rapid Fire  
West bank of Hart Ditch, Munster, IN 31.7 °F 32 °F 27 °F 83% SW  at  0.0 mph 0.00 in / hr 604 ft 1:19 AM CST Rapid Fire
HADS TAFT RAIN NEAR MERRILLVILLE IN, Gary, IN - - - - North  at  - 0.00 in / hr 625 ft 12:30 AM CST MADIS
HADS CHICAGO HEIGHTS IL, Chicago Heights, IL - - - - North  at  - 0.00 in / hr 633 ft 12:00 AM CST MADIS
Stillwater, Crown Point, IN 31.0 °F 26 °F 26 °F 81% SW  at  5.0 mph 0.00 in / hr 714 ft 1:19 AM CST Rapid Fire  
HADS CRETE IL, Steger, IL - - - - North  at  - 0.00 in / hr 689 ft 12:00 AM CST MADIS
MesoWest Balmoral , Crete, IL 25 °F 25 °F - - North  at  - 0.00 in / hr 759 ft 10:40 PM CST MADIS
Brookwood Point, Glenwood, IL 30.5 °F 23 °F 24 °F 75% South  at  7.4 mph 0.00 in / hr 620 ft 1:19 AM CST Rapid Fire  
Southeast Merrillville, Merrillville, IN 31.8 °F 32 °F 25 °F 76% SSW  at  3.0 mph 0.00 in / hr 711 ft 1:15 AM CST Normal
Schuffert Organic Farms, Beecher, IL 30.6 °F 23 °F 27 °F 85% SW  at  9.0 mph 0.00 in / hr 745 ft 1:18 AM CST Rapid Fire  
Woodmar Too, Hammond, IN 31.6 °F 32 °F 26 °F 79% West  at  3.0 mph - / hr 618 ft 1:13 AM CST Normal
Woodmar, Hammond, IN 31.8 °F 32 °F 26 °F 78% SSW  at  2.9 mph 0.00 in / hr 615 ft 1:19 AM CST Rapid Fire  
Merrillville, Merrillville, IN 34.0 °F 28 °F 23 °F 63% West  at  7.2 mph 0.00 in / hr 754 ft 1:19 AM CST Rapid Fire  
BarringtonRidge, Hobart, IN 31.4 °F 24 °F 21 °F 65% SW  at  8.2 mph 0.00 in / hr 654 ft 1:19 AM CST Rapid Fire  
Grant Park County Line, Beecher, IL 31.8 °F 24 °F 12 °F 44% SW  at  8.3 mph 0.00 in / hr 709 ft 1:19 AM CST Rapid Fire
HADS HOBART RAIN IN, Hobart, IN - - - - North  at  - 0.00 in / hr 615 ft 12:30 AM CST MADIS
Northwest Indiana Robotic Observatory, Lowell, IN 31.5 °F 23 °F 27 °F 83% SW  at  11.0 mph 0.00 in / hr 671 ft 1:19 AM CST Normal
JobLink in Indiana Harbor, East Chicago, IN 32.2 °F 25 °F 26 °F 77% South  at  9.0 mph 0.00 in / hr 601 ft 1:19 AM CST Rapid Fire
HADS ILLINOIS RIVER LOCK & DAM AT OBRIEN, Chicago, IL 32 °F 24 °F - - SW  at  9 mph 0.00 in / hr 574 ft 12:00 AM CST MADIS
Wheeler High School, Valparaiso, IN 32.0 °F 25 °F 28 °F 88% South  at  7.2 mph 0.00 in / hr 706 ft 1:19 AM CST Rapid Fire  
INDOT MP 1 - West Point, Whiting, IN 32 °F 26 °F 24 °F 71% SW  at  7 mph 0.00 in / hr 587 ft 12:45 AM CST MADIS
APRSWXNET Valparaiso IN , Valparaiso, IN 30 °F 30 °F 18 °F 61% SSW  at  3 mph 0.00 in / hr 698 ft 1:03 AM CST MADIS
Lake Dombey, Portage, IN 30.7 °F 31 °F 23 °F 72% West  at  0.0 mph 0.00 in / hr 630 ft 1:19 AM CST Rapid Fire
Hebron, IN 30.9 °F 25 °F 25 °F 79% SW  at  6.0 mph - / hr 598 ft 1:08 AM CST Normal  
Pryor Woods, Portage, IN 32.7 °F 25 °F 26 °F 75% SSW  at  9.2 mph 0.00 in / hr 630 ft 1:19 AM CST Rapid Fire  
The Sommerfelds, Peotone, IL 31.0 °F 26 °F 26 °F 82% SW  at  5.0 mph 0.00 in / hr 715 ft 1:10 AM CST Normal
North Central Porter Twp., Valparaiso, IN 30.6 °F 25 °F 24 °F 75% SW  at  5.0 mph 0.00 in / hr 770 ft 1:14 AM CST Normal
SE Lake County, Hebron, IN 32.5 °F 26 °F 27 °F 81% West  at  7.0 mph 0.00 in / hr 643 ft 1:19 AM CST Normal
151st & Central Ave., Oak Forest, IL 30.7 °F 24 °F 23 °F 72% SW  at  7.5 mph 0.00 in / hr 645 ft 1:19 AM CST Rapid Fire  
HADS KANKAKEE RIVER NEAR SHELBY IN, Shelby, IN - - - - North  at  - 0.00 in / hr 629 ft 12:45 AM CST MADIS
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Lake Effect Snow Watch
Mobile & Email Alerts Statement as of 9:09 PM CST on February 09, 2012

... Lake effect snow watch remains in effect from Friday afternoon
through Saturday afternoon...

* timing... lake effect snow is expected to develop Friday
afternoon and continue through Friday night and Saturday morning
before shifting east of the watch area by mid afternoon
Saturday. North to northeast winds will initially focus the most
numerous snow showers along the Illinois shore Friday
afternoon... with the focus then expected to shift more into lake
and Porter counties in Northwest Indiana overnight Friday night.
Winds will eventually back to the northwest on Saturday...
allowing the bands of lake effect snow to move east of Porter
County in the early afternoon. The period of heaviest lake
effect snow and fastest accumulation will occur from late Friday
afternoon into the predawn hours of Saturday.

* Snow accumulations... while lake effect snow can be highly
localized... current forecasts are for total accumulations from 3
to 5 inches in far northeast Cook County... 4 to 7 inches across
downtown Chicago and the south suburbs... with 5 to 8 inches from
the far southeast side of Chicago east across central and
Northern Lake and Porter counties of Northwest Indiana. Isolated
higher amounts are possible if the heaviest snow bands can
become stationary for an extended period of time.

* Other impacts... slippery snow covered roads... intense snowfall
leading to rapid snow accumulation and severely reduced
visibility... blowing and drifting snow... and single digit wind
chills.

Precautionary/preparedness actions...

A lake effect snow watch means there is a potential for a large
amount of snow in only a few hours. Visibilities and depth of
snow can vary greatly... impacting travel significantly. Continue
to monitor the latest forecasts.