Starting this weekend a ridge of high pressure will be in place through at least Monday 9-22. (so above normal temperatures and below normal precipitation) will tend to be the pattern. However, models indicate that the ridge weakens Wednesday 9-24 (see map below) so some cooling and chance of showers. Finally, lower confidence in forecast from 9-24 onward.
Click here to view 500 mb map (at 18,000')
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