DENISON, TEXAS — Over 6 inches of rain has fallen tonight in parts of Denison in Grayson County, with a peak total of 6.36 inches recorded near the heart of the storm. Very heavy rain has hit both Grayson County and parts of Collin County, with the activity now starting to weaken as it very slowly drifts southeast.
Storm Total Accumulation Peaks Near Denison
Radar data from KFWS shows a storm total accumulation of 6.36 inches centered directly over Denison, with the surrounding magenta shading on the map representing some of the heaviest rainfall totals recorded anywhere within the broader storm system tonight.
The concentrated area of extreme rainfall extends from near Sherwood Shores through Denison and toward Kemp, reflecting a fairly narrow but intense corridor where the heaviest totals accumulated during the overnight event.
Grayson and Collin Counties See the Heaviest Rainfall
Very heavy rain has fallen across both Grayson County and portions of Collin County, with the radar showing extensive areas of intense red and orange reflectivity stretching from Denison and Sherman down through Howe, Whitewright, and toward Anna and Celina.
This widespread coverage of heavy rainfall across two counties reflects the overall scale of tonight’s event, with numerous communities throughout this stretch of North Texas experiencing significant rainfall totals well beyond typical overnight amounts.
Over 4000 Lightning Strikes Recorded in McKinney
A personal weather station in McKinney recorded over 4,000 lightning strikes during tonight’s event, according to data from a Tempest weather station. Despite this extreme lightning activity, rainfall in that specific location has so far remained very light, with only 0.02 inches recorded…