Heat advisories in effect - KFVS12 News & Weather Cape Girardeau, Carbondale, Poplar Bluff

Heat advisories in effect

CAPE GIRARDEAU, MO (KFVS) -

Official Heat Advisories have been issued for the Heartland for Sunday afternoon as a very hot and humid pattern builds over the region.

Developing high pressure at mid and upper levels of the atmosphere, combined with southerly flow at the surface, will bring significantly higher air temperatures and dew point temperatures over the next few days.

Highs Saturday afternoon are expected to reach the mid 90's, with dew-point temperatures in the mid 70's.

By Monday afternoon actual air temperatures will reach close to 100°, with dew points as high as the upper 70s.

Heat index numbers this afternoon will likely range from about 100 to 105, and could reach as high as 110 to 115 by Monday and Tuesday afternoons.

By Tuesday a few cooling (but strong) thunderstorms may begin to develop as the upper high starts to weaken a bit, and by Wednesday and Thursday an approaching weather system should bring moderating temperatures and a better chance of widely scattered thunderstorms.

Copyright 2011 KFVS. All rights reserved.

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