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BIG RIVER AT BYRNESVILLE

Weather Forecast





BIG RIVER AT BYRNESVILLE

USGS 07018500


EXTREME HEAT WARNING
* WHAT...Dangerously hot conditions with heat index values up to 109. * WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

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Today, Mostly clear, with a low around 73. Calm wind.


Tomorrow, Mostly clear, with a low around 73. Calm wind.


5-Day Forecast


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