Every severe weather report published for St. Clair County, Missouri, newest first.
A Dense Fog Advisory issued by the National Weather Service Kansas City covers Grundy, Sullivan, Adair and 15 other Missouri counties, where low visibility could make driving conditions hazardous until 10 a.m. CDT Friday, September 11, 2026.
The National Weather Service has issued a Heat Advisory for Linn County, Kansas, and Pettis, Bates, and Henry Counties in Missouri, effective from noon to 7 PM CDT on September 9, 2026.
The National Weather Service warns of heat index values around 105 from Tuesday evening through Wednesday afternoon.
The National Weather Service has issued a Heat Advisory for parts of Missouri, in effect from noon to 8 PM CDT Tuesday, September 8, 2026.
The National Weather Service warns of heat index values up to 105 degrees from noon to 8 p.m. CDT Tuesday for parts of northeast Kansas and Missouri.
The National Weather Service in Kansas City warns of increased risk of heat-related illnesses as an Extreme Heat Warning remains in effect until 8 PM CDT Tuesday, September 8, 2026.
The National Weather Service has extended the Extreme Heat Warning for parts of Kansas and Missouri until 8 p.m. CDT Tuesday, September 8.
The National Weather Service has upgraded to an Extreme Heat Warning, in effect until 8 PM CDT Sunday, September 6.
The National Weather Service has issued a Heat Advisory for portions of Kansas and Missouri, including Atchison, Miami, and Linn counties, effective from noon Monday, August 31, until 7 PM CDT Wednesday, September 2.
The National Weather Service warns that hot temperatures and high humidity may cause heat illnesses across portions of southeast Kansas and Missouri, including Bourbon, Crawford, and Cherokee counties.
The National Weather Service has issued a heat advisory for Monday, with heat index values up to 105 expected.
Heat index values up to 109 are expected across 11 zones in southeast Kansas and southwest and west central Missouri from 1 PM to 8 PM CDT Tuesday, Aug. 18, 2026, per the advisory record from National Weather Service Springfield MO. It is not in force after 8 PM.