National Weather Service United States Department of Commerce

Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >

 
Overview and Graphics

 

Fall 2017 November 2017
Winter 2017-18 temperatures were near normal while precipitation was slightly above normal. Winter 2017-18 snowfall was near normal owing to a snowy February.
 
Fall 2017 November 2017
February 2018 temperatures were near normal. Active weather resulted in well-above normal precipitation. Rockford observed its wettest February on record. February 2018 snowfall was well-above average after a period of nine straight days of snow for most locations.


 

Chicago and Rockford Seasonal Summary
 
Public Information Statement
National Weather Service Chicago IL
1224 PM CST Thu Mar 1 2018 /124 PM EST Thu Mar 1 2018/

...A Look Back at the Climate for Meteorological Winter
(December, January, February) 2017-2018 for Chicago and
Rockford...

At Chicago, the average high temperature for the winter season
was 34.7 degrees, which is 1.1 degrees above the 1981 to 2010
normal. The average low temperature was 19.0 degrees, which is 0.1
degrees below normal. The mean temperature for the season was
26.9 degrees, which is 0.5 degrees above normal.

A total of 6.77 inches of precipitation was recorded during this
past winter, which is 1.00 inches above normal. There was a total
of 30.2 inches of snow recorded at Chicago, which is 2.1 inches
above normal.

Records established or tied during the winter months:

December:
* Record daily low maximum temperature of 5 degrees on the 26th.

January:
* Record daily low maximum temperature of 1 degree on the 1st.

February:
* Record daily precipitation of 2.10 inches on the 20th.
**4th wettest February on record since 1871 with 4.64 inches.
**Tied 10th snowiest February on record since 1871 with 20.3
  inches.


At Rockford, the average high temperature was 32.1 degrees, which
is 0.1 degree below normal. The average low temperature was 14.5
degrees, which is 1.8 degrees below normal. The mean temperature
for the season was 23.3 degrees, which is 0.9 degrees below
normal.

A total of 5.44 inches of precipitation was recorded during this
past winter, which was 0.68 inches above normal. In addition, a
total of 28.1 inches of snow was recorded, which is 1.1 inches
below normal.

Records established or tied during the winter months:

December: None.

January:
* Tied daily minimum temperature of -13 degrees on the 1st.
* Record daily low maximum temperature of -1 degree on the 1st.

February:
* Record daily precipitation of 1.21 inches on the 20th.
* Record daily high maximum temperature of 62 degrees on the
  28th.
**Wettest February on record since 1906 with 3.61 inches.
**9th snowiest February on record since 1906 with 17.4 inches.

$$

Kluber


Latest Seasonal Climate Report: Chicago  |  Rockford
 

Chicago and Rockford Latest Monthly Summary
 
Public Information Statement
National Weather Service Chicago IL
1142 AM CST Thu Mar 1 2018 /1242 PM EST Thu Mar 1 2018/

...A Look Back at the Climate for the Month of February 2018 for
Chicago and Rockford...

At Chicago, the average high temperature was 38.0 degrees, which
is 2.7 degrees above normal. The average low temperature was 19.6
degrees, which is 0.5 degrees below normal. The average
temperature for the month was 28.8 degrees which is 1.1 degrees
above normal. During the month of February, 4.64 inches of
precipitation was recorded, which is 2.85 inches above normal.
20.3 inches of snow was recorded, which is 11.2 inches above
normal.

One record was set for Chicago for the month of February 2018:
* Record daily precipitation of 2.10 inches on the 20th.

Two Top Ten Monthly Records:
**4th wettest February on record since 1871 with 4.64 inches.
**Tied 10th snowiest February on record since 1871 with 20.3
  inches.

At Rockford, the average high temperature was 34.4 degrees, which
is 0.2 degrees above normal. The average low temperature was 14.4
degrees, which is 3.3 degrees below normal. The average
temperature for the month was 24.4 degrees, which is 1.5 degrees
below normal. During the month of February, 3.32 inches of
precipitation was recorded, which is 2.20 inches above normal.
17.4 inches of snow was recorded, which is 9.7 inches above
normal.

There were two records for Rockford for the month of February
2018:
* Record daily precipitation of 1.21 inches on the 20th.
* Record daily highest maximum temperature of 62 degrees on the
  28th.

Two Top Ten Monthly Records:
**Wettest February on record since 1906 with 3.61 inches.
**9th snowiest February on record since 1906 with 17.4 inches.

$$

Kluber

 

Latest Monthly Climate Report: Chicago  |  Rockford

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