From the National Weather Service in Springfield:
… Freeze warning remains in effect from 1 am to 9 am CDT
* timing and areas affected… .a hard freeze along with widespread frost
is expected across the Missouri Ozarks and southeastern Kansas
late tonight and early Friday morning.
* Temperature… below freezing temperatures are expected with most
locations falling into the middle to upper 20s. Some of the
colder valleys may fall into the lower 20s over the Eastern Ozarks.
* Impacts… sensitive outdoor plants may be damaged or killed if
left uncovered. Well pumps will freeze with temperatures in the
20s if not protected from the cold. Remove hoses from spigots to
keep pipes from freezing and bursting.
A freeze warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other