Wisconsin Weather Update for April 21, 2014.

By: HaleStorm , 12:32 PM GMT on April 21, 2014

Forecast Summary: Scattered thundershowers, mild again today. Sunshine but cooler tomorrow. More rain late Wed-Thursday, then colder weekend.

Synopsis: Low pressure in northern Minnesota will continue to develop scattered thundershowers across Wisconsin today. The cold front stretching eastward from this low is in northern Wisconsin, meaning both central and southern Wisconsin get the mild short-term benefits (unlike yesterday when east-central Wisconsin was in the 50s and southern Wisconsin was in the 70s).
Conditions: Cloudy with scattered showers, maybe a thunderstorm. Some areas of fog possible early as well. Chance of rain 75%.
High Temp: Near 66 east-central, in the low to mid- 70s again in southern WI.
Winds: Light from the west early, turning windy from the northwest late.

Raw Model Data: (combined numerical output range from three different NOAA weather models)
Appleton: Highs 68-70.
Madison: Highs 72-74.
Milwaukee: Highs 67-72.
http://www.nws.noaa.gov/cgi-bin/mos/getall.pl?sta =KATW&sta=KMSN&sta=KMKE

Conditions: Decreasing clouds in the evening. Breezy and much colder overnight.
Low Temp: In the upper 30s.

Synopsis: A large area of high pressure moves in, clearing out the clouds, but a northwest wind cools off our temperatures as well.
Conditions: Mostly sunny but cooler.
Temps: Highs in the lower 50s east-central, mid- 50s south.
Winds: Windy early from the northwest, decreasing later in the day.

Extended Outlook:

Wednesday: Increasing clouds with showers late. Highs again in the low to mid- 50s.
Thursday: Showers and thunderstorms likely. Highs 55-60.
Friday: Cloudy and becoming colder. Highs 50-55.
Saturday: Mostly cloudy and colder. Highs 44-51.
Sunday: Partly cloudy. Highs 48-55.

Today Outside of Wisconsin:

Minneapolis/St. Paul, Minnesota:
Conditions: Thundershowers ending early. Windy.
High Temperatures: Upper 60s.
http://www.wunderground.com/US/MN/Minneapolis.htm l
http://www.weather.com/outlook/travel/businesstra veler/local/USMN0503

Anna, Illinois:
Conditions: Scattered thunderstorms.
High Temperatures: Mid- 70s.
http://www.weather.com/outlook/travel/businesstra veler/local/USIL0033

League City, Texas:
Conditions: Isolated thundershowers.
High Temperatures: Upper 70s.
http://www.wunderground.com/US/TX/League_City.htm l
http://www.weather.com/outlook/travel/businesstra veler/local/USTX0745

Hilton Head Island, South Carolina:
Conditions: Sunshine!
High Temperatures: Lower 70s.
http://www.wunderground.com/US/SC/Hilton_Head_Isl and.html
http://www.weather.com/outlook/travel/businesstra veler/local/USSC0155

Charlotte, North Carolina:
Conditions: Sunshine!
High Temperatures: Mid- 70s.
http://www.weather.com/outlook/travel/businesstra veler/local/USNC0121

Las Vegas, Nevada:
Conditions: Sunshine!
High Temperatures: Near 90.
http://www.weather.com/outlook/travel/businesstra veler/local/USNV0040

Davenport, Florida:
Conditions: Partly cloudy.
High Temperatures: Near 80.
http://www.weather.com/outlook/travel/businesstra veler/local/USFL0104

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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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