Saturday, August 5, 2017

Spotty showers Sunday; 75 to 80 degree highs Mon-Tue. Cooler, possible rain mid week-next weekend. Warmer pattern possible mid month!

/Issued 7:44 PM CDT, Saturday, August 5, 2017/


12z GEFS Temperature Anomaly map from August 5, 2017 -- Valid for mid August.


12z GEFS Temperature Anomaly map from August 5, 2017 -- Valid through August 10.

For now the cooler than average temperature pattern looks to continue into next weekend, although will get a break here and there with near average temps especially for Monday-Tuesday, but the general theme through next weekend is for below average temperatures in our local area.


18z model run, valid for Sunday afternoon

Low temperature reports from Saturday morning, August 5, 2017

Chisholm-Hibbing, MN (Airport)  38 F
Makinen, MN:  39 F
Crane Lake, MN:  39 F
Embarrass, MN:  39 F
Celina, MN 2 E:  39 F
Eveleth-Virgina, MN (Airport)  41 F
International Falls, MN:  41 F (5th coldest low on record for Aug 5) Record low 33 F set in 1910

Note:  The Duluth Harbor had a low temperature of 55 F this morning, quite a difference between locations near Lake Superior which are also affected by the urban heat island effect (Warmer temps) compared to inland locations where less of an urban heat island effect occurs.

Weather Synopsis

Not too bad today although still had to deal with the spotty downpours that redeveloped in parts of the Northland during the afternoon hours.  Overall coverage of today's showers were a little bit less compared to Friday, but if you got underneath a shower, then it poured for a brief time.  A mix of sun and clouds were common today with highs generally in the 70s, although cooling into the 60s where it did rain.

Spotty rain showers will continue to drift slowly south/east affecting parts of northeast Minnesota and northwest Wisconsin through midnight, thereafter expect partly to mostly cloudy skies with areas of fog.  Lows ranging from the lower 40s in the typical cold spots to the 50s near Lake Superior.

Another day of spotty rain showers and isolated thunderstorms ahead on Sunday under partly to mostly cloudy skies.  Highs mainly in the 70s with 60s closer to Lake Superior thanks to a lake breeze which develops Sunday.

Monday and Tuesday look pretty nice at the moment with low dew point temperatures while high temps range from the 70s to lower 80s.

Note:  Midweek could turn a little wet as a cold frontal boundary moves southeast into the upper Midwest.  Showers and possibly a few thunderstorms from Tuesday night into Thursday, another opportunity for some rain from Friday-Sunday (August 11-13) this rain would be caused by a slow moving surface and upper level low pressure system which could affect the upper Midwest and Great Lakes next weekend.

Forecast for Duluth and Superior

.Tonight...  Isolated showers this evening.  Partly to mostly cloudy.  Low 50 to 55.  Wind variable around 10 mph.

.Sunday...  Partly to mostly sunny.  Isolated showers possible.  High 69 to 74.  Wind east at 10 to 15 mph.

.Monday...  Partly cloudy.  High 75 to 80.  Wind west at 10 to 15 mph.

Normal temperatures for Sunday

High:  76
Low:   56

Sunrise Sunday:  5:55 AM CDT
Sunset Sunday:   8:33 PM CDT