4Warn St. Louis Forecast
**Flash Flood Watch through 10 AM**
Heavy rains expected to end by 10am and then just a few lighter showers through noon.
Today: High 89. Rain ends by noon then partly cloudy and even more humid in the afternoon with a peak heat index near 100 degrees.
Monday: Low 76/High 94. Partly cloudy, 30% chance of storms. Heat index 100 to 105.
Tuesday: Low 71/High 85. Partly cloudy, 60% chance for storms.
Wednesday: Low 71/High 85. Mostly cloudy, 30% chance of storms.
Thursday: Low 70/High 86. Mostly cloudy, 20% chance of storms.
Friday: Low 70/High 84. Mostly cloudy, 40% chance of storms.