Plaincast
What the forecast actually says — NWS Area Forecast Discussions, decoded into plain English.
Revised in 3 passages since the 12:14 AM discussion. See every revision.
Above-normal temperatures continue with highs in the low 90s for most areas through the next seven days.
Medium to high chance for showers and storms through Saturday. Best chances will be Saturday afternoon.
Strongest storms could produce gusty winds and locally heavy rainfall through Saturday.
(Tonight through Saturday Night) Issued at 1040 PM CDT Thu Sep 10 2026
A fairly elongated shortwave trough is stretched from the Southern Plains through the eastern Great Lakes. This is gradually approaching Middle Tennessee this evening with an associated surface front just to our northwest. Ahead of the front lies a corridor of moisture and instability supportive of showers and thunderstorms. PWs are up to ~2.0" and afternoon MLCAPE approached 2,500 J/kg earlier today. We also have increasing mid-level flow which is bringing 25-35 knots eff. bulk shear into the area. We've essentially covered the basic ingredients for severe storms and, hence, why we've been covered in a "Marginal Risk" (level 1 of 5) for portions of Middle Tennessee this evening. The good news is storms have decreased in intensity, but additional isolated convection is possible overnight.
Chances for rain and storms will persist through the short-term forecast period as the disturbance aloft will reside in the region through Saturday. This will provide lift for convection that should peak in intensity and coverage Friday and Saturday afternoons with heating. Strongest storms will be capable of strong winds, heavy downpours, and perhaps small hail. Most widespread rain/storm activity is expected Saturday as the shortwave moves directly over the area. Something to keep in mind as we head into the weekend.
(Sunday through next Friday) Issued at 1040 PM CDT Thu Sep 10 2026
By Sunday we'll be on the back side of the departing system aloft. This should be a great weather day as drier air moves into the area, but with a quick recovery of low-level ridging. Above- normal temperatures are forecast Sunday and will persist into much of next week thanks to a slow-moving deep-layer ridge that will persist. Rain and storm chances are quite low and mainly limited to mid to late next week when we start to see a little moisture recovery to foster daily convection.
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Data from the National Weather Service. Translated by Claude. About · For developers & agents · Subscribe: RSS feed for this office · Source on GitHub