Wednesday – Humidity & Rain Return – Wake Up 70, High 90
We will be in the warm sector of an advancing cold front for much of the day on Wednesday. This will cause almost-oppressive humidity, with afternoon highs above the seasonal norm. A tightening pressure gradient will cause winds to gust up to 24 mph.
Current Radar
Current Official Temp (taken at :53 every hour)
Today – Afternoon Thunderstorms Likely– High 89
A (shortwave) disturbance is quickly advancing towards Middle Tennessee from the Great Plains. The National Weather Service has its ETA at or just after 1 PM. The HRRR is also putting the showers and thunderstorms in Nashville around noon.
Current Official Hourly Observation (taken at :53 on the hour)
Today – Humid, Chance of Rain Later – High 93
Heat indices will be in the upper 90’s.
There’s a small chance a shower will pop up later this afternoon or early tonight. At 5 PM tonight, the HRRR has a few showers wandering around N of I-40. It’s possible one will stray over us, but it shouldn’t be enough to wash us out (NOTE: we’ve been very wrong about that before):
Current Official Hourly Observation (taken at :53 on the hour)
Today – Under the Dome – High 92
A dome of high pressure will help lift our high temps a few degrees above normal. This surface temp, pressure, and wind map produced by the GFS from 1 PM shows the dome of high pressure and a northeast wind (blue arrows).
