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Nashville (OHX) — the National Weather Service forecast in plain English · Plaincast

What is an Area Forecast Discussion?

Area Forecast Discussions are the real forecasts, written 3 to 4 times daily by NWS meteorologists reading the models and interpreting what they mean for your area. They offer far deeper insight than any weather app, but they're written in dense meteorological shorthand. Plaincast uses Anthropic's Claude to summarize them into plain English, side by side with the annotated original.

Area Forecast Discussion · National Weather Service Nashville (OHX) · issued Sunday, August 23 at 12:35 PM CDT.

Revised in 3 passages since the 11:48 AM discussion. See every revision.

Messages

Drier with cooler evening and overnight periods through Tuesday. Fog is possible across the river valleys each morning.

Low to medium rain and storm chances, mainly mid week, with seasonal temperatures that continue into next weekend.

Short Term

(Rest of today through Monday) Issued at 1145 AM CDT Sun Aug 23 2026

Water vapor imagery shows a broad area of drier air aloft and northwesterly flow across the region and we finally got a taste of cooler, drier air this morning behind the front that moved through last night. This is a welcomed air mass which will promote continued stable conditions and cooler evenings and overnights through Monday as high pressure moves to our north. We currently do not have any mentionable rain chances through the short-term as a result.

Long Term

(Monday Night through next Sunday) Issued at 1145 AM CDT Sun Aug 23 2026

Medium-range guidance and ensembles suggest little change in the background weather pattern through the upcoming week. Generally speaking, ridging will remain out west with a trough across the east. However, the trough should slowly move east mid to late week which will allow for a bit of moisture return from the Lower Mississippi Valley. This will foster showers and a few thunderstorms mid week. Better coverage of convection is possible with passing shortwaves progged during this timeframe and we'll have to see if we get any severe weather since we'll remain in modest mid-level flow. Too early to tell right now. Overall the temperature forecast is pretty close to seasonal norms mid to late week and guidance is on the drier side late week into next weekend.

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