Another cool-down Sunday-Tuesday

12:40 PM, Friday, August 4, 2017

Today and tomorrow (Saturday) will see a bit drier and warm weather with only a small chance for a thundershower. But the next cold front is likely to arrive Saturday evening or overnight and usher in a cooler than average period lasting at least through Tuesday. Along with the cooler weather we are likely to see an increased chance of cloudy periods and thundershowers. There may even be a period of low clouds and drizzle.

 

This is all part of a pattern that has resulted in record heat beneath an upper level high over the West Coast.  North and northwest upper level winds on the east side of the high are driving weak storm systems and cool airmasses into the high plains and central U.S. The cool spell will be more subtle west of the continental divide.

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