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Clouds and some sun, severe storms tonight

Miami Valley , Whitewater Valley, and the I-71 corridor of Ohio/Indiana:

Temperatures today will sore into the lower 60s and dewpoints will come up by evening ahead of a strong cold front. This will result in a quick increase in thunderstorms late this evening. Some of these thunderstorms will be capable of damaging winds, small hail, and even a isolated tornado cannot be ruled out. The strongest storms with the greatest tornado threat will likely be SW of our region due to less snow cover. Snow cover keeps the ground from warming to much and can prohibit thunderstorms from growing to strong. However the wind field within this low pressure is extremely tight meaning any thunderstorms that form late will have to do little work to tap and bring some strong winds down to the surface. Gust with the thunderstorms could top 55 pm for some. Even with out thunderstorms wind fields will support strong damaging wind gust along the front and behind the front during the day tomorrow. There is also a flooding threat tonight with any heavy rain that falls on saturated ground from snow melt. Tomorrow will be windy but clear skies will return, however temps will be considerably cooler in the 40s. Saturday will be one more day to enjoy the warmth with temps near 50 and sunshine before a cold front brings the chance of some light snow/rain Saturday night and brings colder air in by Sunday.

Long range:
A stronger system will move through Tuesday bringing even colder air and the chance for some snow. Cold air still seems to persist with us through at least next weekend.

The following is the seven day forecast for the Dayton metro area and a 50 mile radius around it. Other metro areas like Columbus, Cincinnati, and Portsmouth are not included. For those areas please request a separate forecast. Thanks.

Today 2/20 - Mostly cloudy, a chance of scattered showers and thunderstorms after dark. Becoming breezy. Winds SW 10 to 20 mph, gust to 30 mph late. High 62. Chance of rain 30%. Rainfall around a quarter of an inch.

Tonight 2/20 - Mostly cloudy, scattered rain showers and thunderstorms before midnight. A few storms may be severe. Windy. Winds SW 15 to 25 mph, gust to 55 mph possible with thunderstorms, winds W late. Low 33. Chance of precipitation 100%. Rainfall around a half to three quarters of an inch.

Friday 2/21 - Mostly sunny. Windy. Winds W 20 to 30 mph, gust to 50 mph. High 45.

Fri night 2/21 - Partly cloudy. Breezy. Winds SW 5 to 15 mph, gust to 20 mph early. Low 32.

Saturday 2/22 - Mostly sunny, increasing clouds late. Winds SW 5 to 15 mph. High 49.

Sat night 2/22 - Mostly cloudy, a slight chance of rain/snow shower. Low 27. Chance of precipitation 20%.

Sunday 2/23 - Mostly cloudy, a chance of scattered pm rain/snow showers. High 39. Chance of precipitation 30%.

Sun night 2/23 - Mostly cloudy, a chance of scattered snow showers. Low 20. Chance of snow 30%.

Monday 2/24 - Mostly cloudy. High 32.

Mon night 2/24 - Partly cloudy. Low 19.

Tuesday 2/25 - Partly cloudy. High 32.

Tues night 2/25 - Mostly cloudy, a chance of scattered snow showers. Low 19. Chance of snow 30%.

Wednesday 2/26 - Mostly cloudy. High 23.

Wed night 2/26 - Partly cloudy. Low 11.

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