A final burst of summerlike warmth is forecast for St. Louis Tuesday. The day should begin clear and near 70 degrees, then sunshine and southwest winds are expected to lift the high to around 94, with heat-index values reaching 102.
Tuesday Could Top the Daily Record
Rain is unlikely Tuesday afternoon, with just a 2% chance of precipitation, and southwest winds around 8 mph. With temperatures unusually high for mid-October, people spending time outside should plan for water, shade and breaks during the afternoon.
How Tuesday’s Heat Compares With the Record
The National Weather Service St. Louis October calendar lists October 13’s record high as 90 degrees, set in 1899, and the normal high as 71 degrees. If Tuesday reaches 94, that would be 4 degrees above the daily record and 23 degrees above normal.
Storms Arrive Early Wednesday
Showers and thunderstorms could develop after 2 a.m. Wednesday. Widespread rain is expected, with a high near 82.
Some storms may bring heavy rain; isolated damaging winds or hail are also possible, according to the forecast discussion. Another round of showers and thunderstorms is expected Wednesday night into Thursday, with rain chances around 80%. No watches, warnings or advisories are currently posted for the area.
Friday Brings A Sharp Temperature Drop
A strong cold front is expected to pass Thursday night. Friday’s high is forecast near 63, with mostly sunny skies.
Friday night is expected to drop to about 43 degrees. Saturday should be sunny but chilly, with a high near 63; temperatures then reach around 66 Sunday and 72 Monday.
