Wisconsin Weather Update for March 23, 2009.

By: HaleStorm , 11:51 AM GMT on March 23, 2009

Good Monday morning!

Weather Synopsis
After a surprising light storm dropped 1-2" of snowfall Friday night across much of our area, followed by a pleasant Spring weekend which quickly melted that layer of snow, we're in for a rather wet next couple of days. A strong and obnoxiously slow-moving area of low pressure is really going to take its time moving through Nebraska and South Dakota (must be sight-seeing I'm sure). As it gradually makes its way across the north-central Plains, a strong moisture flow will continue from the Gulf of Mexico and swirl around it all the way into central Canada. This continuous flow of moisture will keep the rain coming today and tomorrow, finally ending early Wednesday morning. Another strong system looks to move through Friday afternoon and linger all weekend long, so we have that to look forward to as well.

NowCast: (Source: National Weather Service)
Fox Cities:
Scattered light rain showers or sprinkles will affect central and parts of northeast and east central Wisconsin early this morning. Although temperatures are generally above the freezing mark... local areas of freezing rain may occur on bridges and overpasses. Motorists should be alert for slippery stretches during the morning commute.

Southern Wisconsin:
The leading edge of a band of showers extended from around Ripon south to Beaver Dam...Dousman and Fontana. The showers were moving northeast at 15 mph and will affect the Fond Du Lac...Mayville... Oconomowoc...Waukesha...Waterford and Lake Geneva areas from 430 am to 630 am CDT. The showers will end for a time in Madison and The Dells...but may redevelop later this morning. Rainfall of up to one tenth inch is possible with this band of showers. The band of light showers may affect the Milwaukee...Racine and Kenosha areas between 6 am and 8 am CDT.

Today’s Forecast Grade: C

Wisconsin Forecast:
Today: Cloudy and windy. A line of rain showers moving through early this morning, then after a small break, more showers move through late this morning and continue through the afternoon and evening. High of 45 central, just above 50 south. Chance of rain 90%.

Raw Model Data: (combined numerical output range from three different NOAA weather models)
Appleton: Highs 38-47. Chance of precip 40-70%.
Madison: Highs 43-53. Chance of precip 60-90%.
Waukesha: Highs 41-55. Chance of precip 50-70%.

Tonight: Cloudy and windy with more rain likely. Perhaps a rumble of thunder south. Lows in the upper 30s central, lower 40s south. Chance of rain 95%.

Tomorrow: Cloudy, windy and a little warmer with more rain likely and continuing through tomorrow night. Highs near 50 central, mid- 50s south. Chance of rain 90%.

Wednesday: Rain ending early in the morning. Mostly cloudy, breezy and colder, perhaps a passing rain shower during the day but not an all-day rain like Monday and Tuesday. Highs 43-48. Chance of rain only 25%.
Thursday: Mostly cloudy, highs 51-56.
Friday: Cloudy and breezy with a new round of rain developing. Highs 49-54. Chance of rain 40%.

This Weekend:
Saturday: Cloudy and windy with more rain likely. But even better news awaits: rain turns to snow Saturday night. Highs 47-54. Chance of precip 60%.
Sunday: Cloudy, windy and colder with rain or snow. Ick. Highs 40-47. Chance of precip 50%.

Other City Forecasts:

Today and Tomorrow in Minneapolis/St. Paul, Minnesota: Showers with isolated thunderstorms, breezy, highs low to mid- 50s.

Today and Tomorrow in Anna, Illinois: Partly sunny today, showers and thunderstorms tomorrow afternoon and evening, windy with highs near or just above 70.

Today and Tomorrow in League City and Pearland, Texas: Scattered showers and thunderstorms tonight and tomorrow, highs upper 70s to near 80.

Today and Tomorrow in Hilton Head Island, South Carolina: Sunshine today, a few clouds tomorrow, highs mid- to upper 60s.

Today and Tomorrow in Las Vegas, Nevada: Mostly sunny, breezy today, highs lower 60s today and upper 60s tomorrow.

Today and Tomorrow in Davenport, Florida: Scattered showers and breezy today, partly cloudy and breezy tomorrow, highs mid- 70s toady and near 80 tomorrow.

Weather in the News:

Alaska's Mount Redoubt erupts
* NEW: With the eruption, mudflows are possible on the Drift and Crescent rivers
* Volcano last erupted in December 1989 and last for months
* Mount Redoubt is about 100 southwest of Anchorage, Alaska

Residents race to fill sandbags as flooding threatens North Dakota
* City targets having 1.5 million sandbags ready in preparation for flooding
* Fargo has already closed a number of bridges over the Red River
* Dozens of communities in the Red River basin are threatened by rising water

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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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