Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

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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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Severe Thunderstorm and Tropical Storm Bertha Impacts

Low Temperatures on Saturday May 9th: Widespread Freeze Observed