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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

 

February Climate Facts   February Climate Facts   Warm February Explained
Daily, February, and Winter Record Highs   Consecutive Day Streaks of 50s and 60s   The "Why" Behind the Warmth

 

 
...Climate Data Reference for the Current Warmth...

DAILY HIGH TEMPERATURE RECORDS

Chicago:                         Rockford:
      Record:    Old:            High:      Old:
2/17: 67 (2017)  60 (1880)       66 (2017)  59 (1981) 
2/18: 70 (2017)  62 (1981)       68 (2017)  58 (1981)
2/19: 69 (2017)  65 (1930)       67 (2017)  63 (1930)
2/20: 70 (2017)  64 (1930)       69 (2017)  61 (1983) 
2/21: 67 (1930)                  67 (2017)  64 (1930)
2/22: 68 (2017)  68 (1922)       70 (2017)  61 (1922)  


CONSECUTIVE DAYS OF 60+ DEGREES

Chicago:                         Rockford:
Longest in February              Longest in February
6 days: 2/17-22/2017             6 days: 2/17-22/2017
4 days: 2/24-27/1976             3 days: 2/23-25/1930
                                         2/19-21/1930

Longest in Meteorological Winter
6 days: 2/17-22/2017             6 days: 2/17-22/2017
        12/2-6/1998              3 days: 2/23-25/1930
                                         2/19-21/1930

CONSECUTIVE DAYS OF 50+ DEGREES

Chicago:                         Rockford:
Longest in February              Longest in February
8 days: 2/22-29/2000             8 days: 2/22-29/2000
        2/18-25/1930                     2/18-25/1930
7 days: 2/17-23/2017             7 days: 2/17-23/2017
        2/22-28/1998             6 days: 2/23-28/1998
6 days: 2/24-29/1976                     2/16-20/1981  
        2/11-16/1882                     2/25-29/1932                                         

Longest in Meteorological Winter
12 days: 12/14-25/1877           8 days: 2/22-29/2000
                                         12/2-10/1946
                                         2/18-25/1930   

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NWS Chicago