Weather impact could include flooding Friday/Saturday. Arlington Heights is expected to received about 0.69 inch of rainfall between noon Friday and 6:00 a.m. Saturday.
The thaw is forecast to begin at about 10:00 a.m. Friday and continue until about 4:00 p.m. Saturday. The thaw is expected to return from 11:00 a.m. Sunday (possibly earlier with direct sunlight/heat) and continue until about 1:00 a.m. Monday.
RAIN, not SNOW expected Friday aftn. We could see up to an 1" Prepare for snow melt, rising rivers & creeks. pic.twitter.com/ndYi6ZMHsd
— NBC's Storm Team 5 (@NBCStormTeam5) January 9, 2014
NBC Storm Team rain outlook for northern Illinois.
Rains starting late Fri & Fri night to fall on 10" snow cvr in abv-frz temps. That won't be pretty. Standing water/pos flooding could result
— Skilling (@Skilling) January 9, 2014
SKILLING: “Won’t be pretty.”
NATIONAL WEATHER SERVICE CHICAGO IL
139 PM CST THU JAN 9 2014 /239 PM EST THU JAN 9 2014/
…INCREASING FLOOD POTENTIAL THIS WEEKEND INTO NEXT WEEK…
A DEVELOPING AREA OF LOW PRESSURE WILL LIFT NORTHEAST ACROSS THE
CENTRAL PLAINS AND MID MISSISSIPPI VALLEY ON FRIDAY…AND THEN
CONTINUE NORTHEAST THROUGH THE GREAT LAKES REGION FRIDAY NIGHT. AS
THIS SYSTEM APPROACHES…A WARMER AND MORE MOIST ENVIRONMENT WILL
MOVE NORTHWARD AND SPREAD OVER MUCH OF THE REGION. ALTHOUGH
SURFACE TEMPERATURES MAY INITIALLY BE BELOW FREEZING FRIDAY
MORNING…RAIN WILL BE THE PREDOMINANT PRECIPITATION TYPE AS
WARMING CONTINUES INTO THE EVENING. LIGHT TO AT TIMES MODERATE
RAIN WILL OCCUR FRIDAY AFTERNOON THROUGH EARLY SATURDAY
MORNING…BEFORE A TRANSITION BACK TO SNOW OCCURS BY MIDDAY
SATURDAY. WITH ALL OF NORTHEAST ILLINOIS AND NORTHWEST INDIANA
APPEARING TO BE IN A FAVORED LOCATION FOR HIGHEST RAINFALL AMOUNTS
THROUGH SATURDAY MORNING…EXPECT THREE QUARTERS TO ONE INCH OF
RAINFALL BEFORE THIS RAIN ENDS OR TRANSITIONS BACK TO ALL SNOW.
THE CURRENT SNOWPACK ACROSS NORTHERN ILLINOIS AND NORTHWEST
INDIANA RANGES IN DEPTH BETWEEN 6 AND 14 INCHES. THE WATER
EQUIVALENT OF THE SNOWPACK IS ESTIMATED BETWEEN 1 AND 2 INCHES.
FROST DEPTHS ARE BETWEEN 3 AND 9 INCHES. A COMBINATION OF
SNOWMELT… RAINFALL…AND FROZEN GROUND…MAY RESULT IN RISES ON
AREA STREAMS WITH THE POTENTIAL FOR FLOODING ALONG SOME RIVERS. IN
ADDITION…MANY RIVERS IN NORTHERN ILLINOIS AND PORTIONS OF
NORTHWEST INDIANA ARE ICE COVERED. INCREASED FLOWS FROM SNOWMELT
AND RAINFALL COULD RESULT IN BREAK UP OF THE EXISTING ICE COVER…
AND AN INCREASED RISK OF ICE JAMS AND ICE JAM FLOODING.
RESIDENTS ALONG AREA STREAMS AND IN LOW LYING FLOOD PRONE AREAS IN
NORTHERN ILLINOIS AND NORTHWEST INDIANA SHOULD CONTINUE TO CLOSELY
MONITOR THIS DEVELOPING WEATHER SYSTEM AND BE ALERT FOR THE
POSSIBILITY OF FLOODING THIS WEEKEND AND EXTENDING INTO NEXT WEEK.
Last Update on 9 Jan 5:52 pm CST
Radar shows possible light snow over southwest suburbs [LIVE RADAR].
Wind SpeedSE 5 mph
Barometer 30.26 in (1026.0 mb)
Dewpoint 19°F (-7°C)
Visibility 3.00 mi
Wind Chill 17°F (-8°C)
Sunrise: 7:19 AM Sunset: 4:39 PM
A chance of flurries and freezing drizzle before 9pm, then a chance of freezing drizzle. Patchy fog after 9pm. Otherwise, cloudy, with a temperature rising to around 28 by 4am. South wind 5 to 10 mph.
A chance of freezing drizzle before noon, then rain. Areas of fog. High near 38. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no ice accumulation expected.
Rain before midnight, then rain and snow. Areas of fog before midnight. Steady temperature around 36. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 36. West wind around 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 22. West wind 10 to 15 mph.
Mostly sunny, with a high near 38.
Sunday Night A slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Partly sunny, with a high near 33.
Monday Night A slight chance of snow. Mostly cloudy, with a low around 20.
A slight chance of snow showers. Mostly cloudy, with a high near 33.
Mostly cloudy, with a low around 16.
Partly sunny, with a high near 25.
Mostly cloudy, with a low around 14.
A slight chance of snow showers. Mostly cloudy, with a high near 30. Breezy.
SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with solar azimuth and trajectory, times for dawn, sunrise, solar noon, sunset, dusk …
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