Excessive Rainfall Areas Today; Tropical Storm Jerry Forms

Heavy to excessive rainfall is possible today and tonight ahead of and along a cold front crossing portions of Kentucky, middle Tennessee, the Ohio Valley and New Mexico. Tropical Storm Jerry, the tenth named storm of the 2025 season, has formed over the central tropical Atlantic. Jerry is expected to be near or north of the northern Leeward Islands on Thursday and Friday. Read More >

New Year's Day Weather for Northern Illinois: Statistics for Chicago and Rockford

Rockford:
The following statistics comprises 112 years of data. Data collection for Rockford was at the Greater Rockford Airport.

Frequency distribution of high temperatures for Rockford. This dataset shows that the most frequent range of high temperatures on New Year’s Day is in the 30 to 39 degree range. The normal high temperature on New Year’s Day at Rockford is 30 degrees. The highest temperature recorded on New Year’s Day is 49 degrees which was set in 1916. The coldest high temperature on New Year’s Day is -1 degrees which occurred in 2018.

Low Temperatures on New Years Day at Rockford

Frequency distribution of low temperatures for Rockford. This dataset shows that the most frequent range of low temperatures on New Year’s Day is in between 20 and 29 degrees. The normal low temperature on New Year’s Day in Rockford is 14 degrees. The lowest temperature recorded on New Year’s Day in Rockford is -13 degrees which occurred in the 1924, 1968 and also 2018!! The highest low temperature for New Year’s Day was 40 degrees in 1950.

Precipitation on New Years Day at Rockford

Frequency distribution of precipitation for Rockford. This dataset shows that the most frequent amount of precipitation recorded on New Year’s Day is 0.00”, which accounts for 54% of the days in the dataset. The next most frequent ranges are the 0.02” to 0.25” group, as well as the Trace group. The highest amount of precipitation on New Year’s Day occurred in 1948 when 1.37” of precipitation fell. This is one of two instances where over an inch of rain fell on New Year’s Day. In 2018, no precipitation fell.

Frequency distribution of snowfall for Rockford. This dataset shows that the most frequent amount of snowfall recorded on New Year’s Day is 0.0”, which accounts for 64% of the days in the dataset. The next most frequent range is a trace. The highest amount of snow that has fallen on New Year’s Day is 9.0” in 1942. In 2018, no snow fell.

ADDITIONAL NEW YEARS DAY CLIMATE DATA ( * MEANS LAST OCCURRENCE)

MAX TEMP WARMEST	MIN TEMP WARMEST	PCPN WETTEST	SNOW MOST
49 1916	40 1950	1.33 1948	5.0 1918
45 1950 *	35 1965 *	1.25 1891	4.6 1978
44 2007	34 1916 *	0.94 1965	4.4 1948
43 2006 *	33 1941 *	0.70 1941	4.3 1985
42 2012 *	31 1996 *	0.68 1916	3.2 2014
41 2004 *	30 1997 *	0.61 1985
40 2005 *	29 2006 *	0.57 1892
39 2017 *	28 2007	0.48 1890
38 1994 *	27 2012 *	0.47 1918
37 2011 *	26 1951	0.44 1876

MAX TEMP COLDEST	MIN TEMP COLDEST	PCPN DRIEST	SNOW LEAST
-1 2018	-13 2018 *	0.00 2018 *	0.0 2018 *
4 1974	-10 1974 *	T 2016 *	T 2016 *
5 1969 *	-8 1964	0.01 1997 *	0.1 1967 *
6 1988	-7 1979	0.02 1995 *	0.2 1995
10 1928	-6 1978	0.03 2006 *	0.3 1959
11 2010 *	-5 1988 *	0.04 1971 *
13 1968	-3 1935	0.05 2008 *
14 1957	-2 1977 *	0.06 1911
15 1958	-1 2010 *	0.08 2012 *
16 2014 *	1 2008 *	0.09 1921

12/22/2018

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Excessive Rainfall Areas Today; Tropical Storm Jerry Forms

New Years Day Climate Data for Rockford, IL