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Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. 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