Wisconsin Weather Update for December 31, 2010.

By: HaleStorm , 2:10 PM GMT on December 31, 2010

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Good Friday morning!

What's the deal with this fog?
Mild air ahead of a strong area of low pressure just to our north will keep us warm, foggy and drizzly for one more day. This nearly-stationary system has brought warm, stagnant air to our region, and with both temperatures and dew points near 40, our relative humidity near 100%, and a light or calm wind, this created our blanket of fog yesterday and will continue today. Snow, we hardly knew ye.

Are these warmer temperatures going to stick around?
Yes - in fact, temperatures should remain above-normal through the end of this year! Unfortunately, the moment our clocks strike midnight tonight, a cold front will sweep through and rapidly drop our temperatures about 20 degrees. This means you can not only expect a return of cold temperatures through the weekend and next week, but any water lingering on roadways could "flash freeze" tonight, making roads icy really quickly if you're driving home from a New Year's party.

Important Weather Statement: (Source: National Weather Service)
Fox Cities:
... Dense fog advisory remains in effect until 4 PM CST this afternoon...
... Hazardous travel conditions expected to develop across the area...

Southern Wisconsin:
.. Dense fog advisory remains in effect until 6 PM CST this evening...

Today’s Forecast Grade: C
3-Day Forecast Confidence: Medium

Wisconsin Forecast:
Today: Cloudy, warm and foggy. Drizzly too, with occasional heavier rains and maybe even a rumble of thunder. High of 46 east-central, near 50 south. Goodbye, snow. Chance of rain 90%.

Raw Model Data: (combined numerical output range from three different NOAA weather models)
Appleton: Highs 36-40. Chance of precip 31-88%.
Madison: Highs 42-48. Chance of precip 47-88%.
Waukesha: Highs 46-49. Chance of precip 63-80%.

Tonight: Rain in the evening, then turning sharply colder and windy overnight. Mostly cloudy, lows in the upper teens. Look out for flash freezing of water on roadways late tonight!

Saturday: Mostly cloudy, windy and much colder. Maybe a few flurries. Highs in the upper teens to near 20, wind chills probably below zero. In other words, not moving an inch compared to tonight's lows. But who cares, you'll be inside watching Bucky play in the Rose Bowl anyway.
Sunday: Mostly cloudy, not as windy, but still cold. Highs in the mid- to upper teens. Go Pack Go!

Next Week’s Outlook:
Conditions: Mostly cloudy, dry and seasonable. In other words, rather boring.
High Temperatures: Near 20 to start out the week, but then warming slightly through the 20s later in the week.
Extended Forecast Confidence: Medium High

Other City Forecasts:
(Today and Tomorrow)

Minneapolis/St. Paul, Minnesota:

Winter Weather Advisory in effect from noon today to 6 am CST Saturday...
Conditions: A mix of precip today, light snow tonight, turning to flurries tomorrow.
High Temperatures: Lower 20s today, only near 10 above tomorrow.


Anna, Illinois:
Conditions: Showers and storms today, some sun tomorrow.
High Temperatures: Mid- 60s today, only lower 40s tomorrow.


League City and Pearland, Texas:
Conditions: Scattered showers today, partly cloudy and cooler tomorrow.
High Temperatures: Upper 70s today, mid- 60s tomorrow.




Hilton Head Island, South Carolina:
Conditions: Partly cloudy today, more clouds tomorrow.
High Temperatures: Low to mid- 60s.


Charlotte, North Carolina:
Conditions: Partly sunny today, scattered showers tonight and tomorrow.
High Temperatures: 55-60.


Las Vegas, Nevada:
Conditions: Partly cloudy and cool.
High Temperatures: Only near 40.


Davenport, Florida:
Conditions: Partly cloudy and very nice.
High Temperatures: Upper 70s.


Weather in the News:

100 vehicles in chain-reaction wreck during North Dakota storm

2010 Wisconsin Top Weather Events


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About HaleStorm

Atmospheric and Oceanic Sciences degree from UW-Madison: 1998. Former broadcast Meteorologist for NewsRadio 1310 WIBA in Madison. NWS Storm Spotter.

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N9OEQ - Darboy USA
Appleton, WI
Elevation: 735 ft
Temperature: 5.4 °F
Dew Point: -12.7 °F
Humidity: 39%
Wind: 1.6 mph from the North
Wind Gust: 3.1 mph
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