(official NWS statement)
URGENT – WEATHER MESSAGE
National Weather Service Quad Cities IA IL
316 AM CDT Fri May 8 2020
Including the counties of Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Henry IA-Des Moines-Jo Daviess-Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-Warren-McDonough-
Including the cities of Independence, Manchester, Dubuque,Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City,Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney, Washington, Wapello, Mount Pleasant, Burlington, Galena,Freeport, Mount Carroll, Sterling, Moline, Rock Island, Geneseo, Princeton, Hennepin, Aledo, Oquawka, Monmouth, and Macomb
316 AM CDT Fri May 8 2020
…FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT SATURDAY…
* WHAT…Sub-freezing temperatures as low as 28 expected. Mid 20s possible in far northwest Illinois
* WHERE…Portions of east central, northeast and southeast Iowa and north central, northwest and west central Illinois.
* WHEN…From midnight tonight to 8 AM CDT Saturday.
* IMPACTS…Frost and freeze conditions will kill crops and other sensitive vegetation if not protected or brought indoors.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing.
Link: WeekendOutlook