Home > Daily Forecast > September 21, 2016 #TriCitiesWx Forecast

September 21, 2016 #TriCitiesWx Forecast

September 21, 2016

The first few weeks of September haven’t been at all like what we are accustomed to as we transition from summer into fall. Temperatures have been 5-10 degrees above normal most of the month! We’ll continue to see that in the coming days, but changes are coming in the next week or so. Welcome to the Tri-Cities Weather Blog forecast for tonight through Monday!

Typically, we finish off a day this late in September in the upper 70’s. Today, the Tri-Cities Airport topped out at 86. In fact, our normal temperature for the Tri-Cities can be found somewhere in the mountains. With Elizabethton at 84 and Boone at 73 late this afternoon, the midpoint between those two numbers (not necessarily locations), represents what we normally get this time of year. So it has been warmer than normal for sure, and that continues in the outlook:

  • Tonight-Partly cloudy. Patchy fog possible in the morning. Low 62.
  • Thursday-Mostly sunny. Small chance of a shower or thunderstorm east of the Tri-Cities. High 87.
    • Thursday night-Partly cloudy. Lows near 60.
  • Friday-Mostly sunny, very warm. High 88.
  • Saturday-Mostly sunny. High 88.
  • Sunday-Mostly sunny, with a small chance of rain. High 87.
  • Monday-Partly to mostly sunny, with a few rain showers possible. High 84.

I’m watching two cold fronts, one way to our north, and another forming way out west. Those will bring changes to our weather, but not for a while.

The first cold front is way up north, partly in Canada. It won’t start a true run south until Friday. By then, it should be near Cincinnati and Indianapolis late in the day. It will slowly continue south until it moves through here on Sunday.

Front number two is forming out west near the Rockies. It will slowly move through the Plains this week, and won’t get to the Mississippi River until Tuesday or so. In fact, if long range models are to be believed, it might be next Thursday before it gets here. If it takes that long, we might see a lot of rain next week. That’s not a big deal if we don’t get it all at once, because we’re below normal this year by a lot!

Considering all that, high pressure will keep us mainly dry for the foreseeable future. Low pressure in the Carolinas near the coast may cause a couple rain showers in the mountains tomorrow, mainly east of I-81. By far, we should stay dry for the most part.

Sunshine and warm conditions will continue until the front moves through, and that will knock a few degrees off as we start next work week, with a true turn toward fall possible once the second cold front moves through as we get closer to October.

Thanks for checking here for the forecast! Almanac info is below (including sunrise and sunset times!). Have a great evening!

  • Almanac Info
    • Temperatures
      • Yesterday: High 86, Low 61.
      • Today: High 86, low 58 (as of 4pm).
      • Average for Thursday: High 77, Low 53.
    • Precipitation
      • Today: None.
      • September to Date: 1.97″, 0.11″ below average.
      • 2016 to Date: 26.13″, 5.4″ below average.
    • Sunrise/Sunset
      • Tonight’s sunset: 7:27 PM
      • Thursday’s sunrise: 7:18 AM
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