Temperature for 10 days Baymont Inn & Suites O'Fallon, F° Atmospheric pressure for 10 days in Baymont Inn & Suites O'Fallon, hPa Precipitation for 10 days in Baymont Inn & Suites O'Fallon, inch Wind for 10 days in Baymont Inn & Suites O'Fallon, mph 24-hour meteogram Baymont Inn & Suites O'Fallon