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DENVER (KDVR) — UPDATE, 1:25 p.m.: A Severe Thunderstorm Warning has been issued for Arapahoe and Douglas counties until 2 p.m.

Reports of heavy rain and hail in those counties are coming in:

Video credit: Christie Miller, taken in Lone Tree
Video credit: @JP Connick, Twitter

View live radar here.

ORIGINAL: We are forecasting a 40% chance of rain/t-storms in Denver and across the Front Range on Friday. The mountains can expect a 30-40% chance. Front Range highs will be around 83 degrees.  Mountain highs will be in the 70s.

Smoke concentrations stay light Friday-Monday.

It will be much drier with high pressure building in Saturday through most of next week. This represents a total pattern change as the monsoon goes away for the season.

Labor Day looks sunny and dry with highs around 90 degrees.