Updated September 18, 2017

UNSETTLED ACROSS THE WEST --> This week we expect a few Gulf of Alaska storms to move through the western US, and drops snow to some mountain areas across Washington, Oregon (Cascades), Idaho, Montana, Wyoming (northern Rocky Mountains), California, Nevada (Tahoe), and Utah (Wasatch). By Saturday we may see some snow for Colorado also, as the trough weakens, warms up some, and shifts east. Luckily, the mountains and resorts in Colorado are so elevated, that despite the warming, snow is still possible. More details are coming. The East Coast (+ the resorts) will be sitting under a high pressure ridge, with warmer than average weather. CM



BY and AFTER THIS WEEKEND...
High pressure ridging will start to dominate the western US, for quite a late summer season warm-up. This should affect all areas, though Colorado will be dealing with some unsettled weather to start (Sat and Sun). This ridge over the west should last through 7 to 10 days, turning unsettled again (storms) after the first few days of October, but more so by the 10th or so as low pressure deepens across the west (colder, snow more likely for many areas). CM

 CM

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Forecast discussion for the Upper Midwest

Updated --  April 24th 12:43pm

Highlights-  Last post of the season...

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Short Range- 0-6 days- (Following is written solely for N.MN and the UP of MI as they are likely the only areas left in the region that still have ski resorts open)
Pattern change from recent warmth to much cooler conditions has already taken place or it soon to do so. Mid week snows for the Arrowhead of MN- accumulations likely in the 2-5" range. Snow will melt, but not as fast as it should this time of year with temps  below freezing at night and upper 30's  until late in the  weekend.
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Long Range 7-21+ (updated 12:48pm  April 24th)

Temps should return to near normal temps for the first week of May. Remains of the previous colder pattern may linger enough to produce some very light snows sometime around Friday,  May 5th.  Should have more May like temps for the 2nd full week of May.

Thanks for reading.

Next update --when conditions are warranted.

 

JB