LOUISVILLE, Ky. — The month is August and we’re in the heart of summer, but for the next few days we’ll have a nice reprieve from the typical heat and humidity. Even better, we’ll have some time to dry out after several days of very wet weather.
- Temperatures will be well below average for the next few days
- Predominantly dry conditions expected
- Morning low temperatures in the 50s for some
- Heat and humidity return for the weekend, as does our next opportunity for rain
Weather setup: We’ve been experiencing below normal temperatures for the past several days. This is thanks to our general weather pattern that features board troughing in the eastern half of the country. A trough is a dip in the jet stream and supports cooler air and wetter weather.
A weak, lazy cold front finally moves through the Bluegrass state Tuesday and a region of Canadian high pressure will pay the Ohio Valley a visit for a few days. High pressure brings calmer weather conditions, so expect dry weather, more sunshine, and in this case, cooler temperatures because it came from Canada. By August standards, the next few days are going to be very cool. As Futurecast shows, the center of that thigh will be north of Louisville. Since air flows clockwise around a high, we’ll have predominantly north winds for midweek which helps transport that cooler air south.
Temperatures over the next few days will only manage the upper 70s to lower 80s. Louisville’s normal high temperature is 89 degrees, so we’ll be running nearly 10 degrees below normal in the metro and likely over 10 degrees below normal in the surrounding communities. Given that it’s August and oppressive heat is not unusual, this is a very welcome gift. What’s more, humidity through Thursday will be relatively low so it won’t feel as if we’re walking outside into a sauna. While daytime temperatures are going to be pleasant, nighttime temperatures are going to be even more amazing.
Your air conditioner will be able to rest starting Tuesday night. Thanks to mostly clear and partly cloudy sky conditions, in addition to our saturated ground because of recent heavy rain, overnight low temps will dip into the middle and upper 50s for some towns! Crack open a window and let in that fresh air.
Long term: Temperatures begin to rebound Thursday into the middle 80s, but that’s still below normal. Humidity will also begin to increase. A ridge starts to move in to the Ohio Valley for the weekend and will bring the humidity back with it. Highs will return to seasonal normal in the upper 80s and low 90s. While it’s going to be hot again, it’ll be typical August heat. Rain chances also return late in the weekend and start of next week.
Meteorologist Alden German
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