Freeze Warnings and Frost Advisories cover 157 counties across Missouri, Illinois and Kansas as a cold front ushers in the coldest air of the fall so far.
The National Weather Service offices in Kansas City, Springfield, St. Louis and Paducah say temperatures will fall to or below freezing early Saturday, Nov. 7.
Where the alerts are in effect
Missouri has the most counties under alert, 111 including St. Louis City, followed by Illinois with 36 and Kansas with 10.
Freeze Warnings are posted for 93 of those counties, including 67 in Missouri and 26 in Illinois. The rest are under Frost Advisories.
Most alerts run from midnight to 8 AM CST Saturday. Paducah’s alerts for southern Illinois and southeast Missouri start earlier, at 11 PM CST Friday.
Missouri and Kansas
NWS Kansas City has Freeze Warnings for 16 Missouri counties and Frost Advisories for 21 more in Missouri plus 7 in Kansas, including the Kansas City metro.
NWS Springfield has Freeze Warnings for 14 counties in central Missouri and the Ozarks, and Frost Advisories for 20 Missouri and 3 Kansas counties.
Springfield forecasters say lows will reach the mid-20s to mid-30s, with the coldest air east of Highway 65.
St. Louis area and southern Illinois
NWS St. Louis issued a Freeze Warning for 46 counties: 29 in eastern and central Missouri and 17 in west-central Illinois, including St. Louis City.
Forecasters warn that widespread temperatures near or below freezing will damage plants and sensitive vegetation.
NWS Paducah has a Freeze Warning for 9 southern Illinois and 8 southeast Missouri counties, and a Frost Advisory for 10 Illinois and 3 Missouri counties.
What to do
Bring in sensitive plants, cover those that cannot move, and protect exposed outdoor pipes and irrigation systems.
Pets and livestock need shelter, and the freeze can end the growing season for tender crops.
Freeze Watch for Saturday night
NWS Paducah has also issued a Freeze Watch for 19 southern Illinois and 11 southeast Missouri counties from 11 PM CST Saturday to 8 AM Sunday.
Another hard freeze is possible there, so check the latest alerts at weather.gov/eax, weather.gov/lsx and weather.gov/pah.
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