Tuesday, May 17, 2016

May 17, 2016 - Scattered frost late tonight otherwise pleasant spring weather continues

/Issued 5:17 PM, Tuesday, May 17, 2016/

Outside of the few days of unseasonably warm temperatures back on May 5-6 this month so far has been running close to average or cooler than average across most of Minnesota and Wisconsin and points south.  Here is the temperature departure map for May 1-16, 2016 per Midwest Regional Climate Center.

Average temperature and departure from average for select cities from May 1-16, 2016.

Frost advisory in effect for tonight for the blue shaded area on the map.  Source, Aerisweather.com;National Weather Service.

More information at the link below:

Frost Advisory -- http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=dlh&wwa=frost%20advisory

Low temperature forecast for tonight.  Source, National Weather Service Duluth, Minnesota.

High temperature forecast for Wednesday.  Source, National Weather Service Duluth, Minnesota.

Weather Summary for NE Minnesota & NW Wisconsin
Date:  May 17, 2016

A large area of high pressure covered the Upper Midwest and Great Lakes today.  Scattered clouds away from Lake Superior with lots of sunshine this afternoon closer to Lake Superior.  Temperatures were pretty close to average today with highs in the low to mid 60s except for 50s near Lake Superior.  Winds not much of an issue once again today, wind speeds generally around 12 mph with a variable wind direction.

Forecast Discussion for NE Minnesota & NW Wisconsin

Confidence:  High.

Through Friday:  High pressure over the Upper Midwest this afternoon will shift to the south/east through the end of the week -- Clear to partly cloudy skies are expected across the Northland during the next few days with pleasant temperatures continuing.

Low temperatures tonight will be in the 30s and 40s with 20s possible in the traditional cold spots...Areas of frost late tonight and early Wednesday morning.

Highs on Wednesday will be in the 60s to lower 70s, lows Wednesday night mainly in the 40s.  Highs for Thursday and Friday in the 60s and 70s with lows Thursday night in the 40s and 50s.

Note:  Localized lake breezes are possible close to Lake Superior Wednesday, Thursday and Friday with cooler temperatures in the 50s -- The lake breeze does not look very strong though so the cooler temperatures shouldn't move too far inland.

...Looking ahead...

Confidence:  Medium to High.

Dry and mild from Saturday-Monday (May 21-23)  Highs in the 70s with a few locations possibly climbing into the low 80s.  Lake breeze is possible especially on Saturday which would lead to cooler temperatures near Lake Superior.

Potential for showers and thunderstorms next Monday through Wednesday (May 23-25) A slow moving low pressure system and cold front will head into the Upper Midwest early next week and this could bring some rain to the Northland.