Thunderstorms and Heavy Rainfall in the Mid-Atlantic and Southern New England; Fire Weather Concerns in the West

Heavy rain and isolated severe thunderstorms may continue to bring flash and urban flooding to the northern Mid-Atlantic and southern New England through tonight. Isolated dry thunderstorms will continue to bring a fire weather threat to the northwestern Great Basin through Friday. Read More >

NWS Graphical Forecasts | I llinois Frost Dates & Growing Season
Indiana Freeze/Frost Probability & Growing Season Length
P rotecting Tender Plants from Spring Frost (Illinois Extension)

Observed Low Temperatures on Saturday May 9th

A Listing of Cooperative Observer Record Lows*

Location	May 9th Observed Low	Previous (Year)
Rensselaer, IN	24	26 (1947)
Marseilles Lock, IL	31	32 (2010)
De Kalb, IL	27	27 (1966)
Paxton, IL	26	32 (2010)
Elgin, IL	28	30 (1983)
Barrington, IL	27	27 (1966)
Park Forest, IL	27	29 (1966)
Dwight, IL	27	34 (2010)

*Note that these are unofficial observing locations, some of which with limited periods of record.

Hourly Forecast Graphs
Aurora	Chicago Downtown	Chicago Midway Airport	Chicago O'Hare Airport	Dixon	Gibson City
Joliet	Kankakee	Pontiac	Rensselaer	Rockford	Valparaiso
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Thunderstorms and Heavy Rainfall in the Mid-Atlantic and Southern New England; Fire Weather Concerns in the West

Low Temperatures on Saturday May 9th: Widespread Freeze Observed