Mild temps Saturday and Sunday, turning cooler next week

Pleasant weather conditions will be found across the Northland on Saturday with highs mainly in the 50s which is right where we should be in mid-April. Some changes take place from NW-SE on Sunday as a low pressure system and a pretty strong cold front approaches from the NW, this system will lead to increasing cloudiness during the day Sunday which will be followed by some rain showers to start during the afternoon-early evening, and then a few flurries and snow showers for Sunday night and Monday. Note: The best chances for a light coating of snow accumulation looks to be across northern Minnesota where a half inch to two inches of snow is possible Sunday night (north of Duluth)

We should be able to squeeze out one more mild day on Sunday prior to the passage of a cold front, with highs on Sunday ranging from the 40s near the Minnesota/Ontario border, to the low 50s to around 60 degrees across northeast Minnesota and northwest Wisconsin.

10-Day temperature forecast for Duluth, Minnesota.

  • Coolest days next Monday and Tuesday with highs possibly not getting out of the 30s which would be a good 15 degrees or so below normal for this time of the year.
  • High temperatures moderate a bit late next week/next weekend the way it looks now with highs getting back close to 50 or perhaps slightly warmer than 50.

Note: April 2021 (thru the 15th) is running ~6 degrees warmer than average at Duluth, and we’ve had 3 days at or above 60 so far this month, normal for April is 5 days at or above 60.

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Forecast map for Sunday, April 18, 2021.

Note: The best chances for a little rain in Duluth and Superior looks to be from around 3 PM to 8 PM Sunday.

18z NAM 3km simulated radar forecast valid from 7 AM Sunday to 1 AM Monday.

Rain in green.

Snow in blue.

Doesn’t look like will be seeing any heavy amounts of rain or snow with Sunday’s system with precipitation amounts of generally a tenth to a quarter inch across northeastern Minnesota and along portions of the South Shore of Lake Superior in northwest Wisconsin (green areas on map) while amounts of a trace to around a tenth of an inch are forecast farther west and south.

Tim

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