9/14/15: A Mix of Summer and Autumn

The maximum temperatures on Sunday would make you believe it was August 13 rather than September 13 yesterday.  The NDAWN station in Fort Yates recorded a maximum of 98 degrees and the Mandan station 96 degrees.  The Bismarck Airport reached a maximum of 97° which set a record high for the date.

9-13-15Maximums
September 13, 2015 Maximum Temperatures

It will be cooler today, with most NDAWN stations recording a maximum from the mid 70s to the very low 80s with the high heat from yesterday shifting south into southern and southwestern South Dakota.

Monday, September 14, 2015 NAM-WRF Projected Maximums
Monday, September 14, 2015 NAM-WRF Projected Maximums

 

The warmer air will surge north again tomorrow bringing high temperatures back into the 80s with a few lower 90s also expected.

9/15/15 Maximum temperatures Projected from the NAM-WRF Guidance
9/15/15 Maximum temperatures Projected from the NAM-WRF Guidance

Beyond tomorrow, tomorrow will slowly get to more seasonal normals with maximums mostly in the low to middle 70s with northern North Dakota in particular recording some upper 60s for maximums.  Minimums will be quite mild Tuesday and Wednesday and then decrease Thursday through the weekend.  Although some upper 30s are expected on Friday, at this time, no frost is foreseen for a vast majority of the state through at least Sunday.

Daryl Ritchison