By Meteorologist Dave Aguilera

DENVER(CBS)- We are undergoing a major change in our overall weather pattern for Colorado. A good batch of moisture flowing over a ridge of Texas high pressure helped to get a few early morning rain showers going over eastern areas of the state on Thursday.

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This moisture and cloud cover will move out by mid-day. There will be enough moisture left behind for late day showers and thunderstorm to get going.

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A few of which may be severe on the eastern plains from east of Greeley down thru Limon, Lamar and Springfield out to Kansas and Nebraska Thursday afternoon and evening.

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The combination of a Low pressure disturbance now over Utah and another Canadian cold front will increase chances for rain and dramatically cool temperatures off Friday thru the weekend!

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All of eastern Colorado, including Denver has a chance for severe thunderstorms on Friday afternoon. The biggest threat is large hail and damaging winds.

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Meteorologist Dave Aguilera