Weather Blog

Threat of Strong Storms Returns This Weekend

Moisture will gradually increase across the region through Saturday. An incredible amount of moisture will be present across Central Illinois as moisture from the eastern Pacific and the Gulf of Mexico stream in to the region. In addition to an abundance of moisture, moderate instability and significant wind shear will lead to the development of strong to severe storms Saturday evening. 

The Storm Prediction Center has placed areas along and west of the Illinois River under a Slight Risk for severe storms with a Marginal Risk further east. The greatest risk of severe weather will be across southeast Iowa and northern Missouri where large hail, tornadoes, damaging winds and flash flooding will all be possible.  

Storm Timing and Threats

Saturday - Scattered showers and thunderstorms will be possible during the day. Storms that develop after 3 pm may become severe, mainly west of the Illinois River. The primary threats are damaging winds and large hail though isolated tornadoes will also be possible. 

Saturday Evening - A squall line is expected to move through Central Illinois along a cold front. Damaging wind gusts will be the main threat with these storms. The severe weather risk will end by 3 am Sunday across the region.  

On Sunday, skies will become mostly sunny with high temperatures only reaching the upper 50s and lower 60s.  Stay with Your Local Weather Authority for updates.

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