This Evening: 70s Then 60s. Rain spreads in from the northwest first, then into the St. Louis metro. Rain chances in St. Louis ramp up after 7pm with steady rain overnight. Rainfall of 0.25 to 1" possible.
Monday: Low 55/High 66. Steady rain moves east of St. Louis by or shortly after 7 AM. Then mostly cloudy and cooler with a few new showers in the afternoon. Afternoon showers will be brief and passing, not as long lasting as the early morning rain. And those showers fade in the early evening as the sun sets.
Tuesday: Low 48/High 64. Mostly to partly cloudy and cool.
Wednesday: Low 51/High 75. Partly cloudy, breezy and warmer.
Thursday: Low 50/High 64. Partly cloudy, breezy, and cooler.
Friday: Low 45/High 60. Partly cloudy and cool.
Saturday: Low 44/High 63. Partly cloudy and cool.
Sunday: Low 50/High 61. Mostly cloudy with a chance of rain.