Extreme Heat in the Central US Expands to the East; Heavy Rains from the Southern Plains to the Great Lakes

Dangerous, long-lasting heat remains across the Mid-South to Mid-Mississippi Valley, while heat expands into the Northeast for a brief period on Friday. Strong to isolated severe thunderstorms and heavy rain pose a flash flooding threat from from the southern High Plains east to the Great Lakes. Tropical Depression 12W brings heavy rain to Guam & the Marianas through Saturday. Read More >

Latest Update...Through April 2025

January


     Warmest        Coldest          Wettest	     Driest          Snowiest        Least Snow			
1    37.4    1932    14.8    1918    8.05    1878    0.52    1921    61.3    2004    1.0    1933	
2    36.5    1880    14.9    1994    5.79    1978    0.72    1988    60.4    1978    1.5    1921	
3    35.6    1933    15.2    1945    5.63    1998    0.81    1946    60.2    1966    4.0    1944	
4    35.5    2006    15.5    1977    5.47    1874    0.94    1883    49.7    2005    5.0    1942	
5    33.6    1990    15.7    1981    5.24    1898    0.94    1967    48.8    1999    6.2    1930	
6    33.6    1913    16.1    1920    5.13    1884    0.95    1919    46.8    1959    6.3    1932	
7    33.3    1950    16.1    1982    4.86    1913    1.03    1955    43.6    1982    6.7    1946	
8    33.2    1937    16.5    1912    4.83    1890    1.10    1961    43.4    2003    6.8    1919	
9    33.2    1906    17.0    1893    4.68    1881    1.11    1980    43.0    1994    7.4    1937	
10   32.8    2023    17.2    2004    4.31    1900    1.18    1989    42.0    2000    7.6    1906

February


     Warmest        Coldest          Wettest         Driest          Snowiest        Least Snow		
1    35.5    2017    12.2    2015    5.40    1876    0.35    1888    64.8    1958    4.1    1888
2    34.7    2024    12.6    1934    5.37    1896    0.46    1877    58.3    1960    4.7    1999
3    33.6    2018    13.7    1979    5.07    1950    0.66    1987    46.5    2007    6.1    1909
4    33.3    1976    14.4    1875    4.84    1878    0.68    2024    45.2    2015    6.1    1937
5    33.2    1984    14.5    1885    4.75    1887    0.68    1906    42.7    1910    6.4    1925
6    32.6    1998    16.2    1978    4.51    1942    0.69    1999    40.7    1978    6.8    1931
7    32.5    1882    16.3    1904    4.46    1960    0.72    2004    39.1    1996    7.2    1919
8    32.2    1981    17.4    1914    4.44    1900    0.74    1968    39.1    1979    8.0    1906
9    32.1    1954    17.7    1889    4.27    2008    0.89    1964    36.9    1901    8.0    1957
10   32.1    1925    17.8    1901    4.21    1971    0.91    1969    35.7    1972    8.1    2024

March


     Warmest         Coldest         Wettest	     Driest          Snowiest	     Least Snow		
1    47.2    2012    21.0    1885    7.02    1873    0.47    1958    54.0    1900    T      2010
2    43.8    1945    22.0    1872    6.55    1936    0.70    1915    45.1    1896    0.9    1946
3    43.2    1946    22.4    1960    6.32    1896    0.73    1910    45.0    1999    1.2    1902
4    42.8    1921    24.5    1883    5.44    1900    0.77    1946    43.8    1916    1.2    1898
5    42.7    1898    24.5    1888    5.42    1942    0.85    2013    41.4    2001    1.4    2021
6    42.5    1973    25.2    1941    5.33    1881    0.94    1887    40.3    1959    1.4    2009
7    42.4    1903    25.4    1896    5.15    1913    0.96    1885    38.1    1992    1.4    1921
8    41.5    2024    25.4    1900    5.03    1951    1.02    2021    37.1    1993    2.0    1991
9    41.2    2000    26.0    1916    4.89    1878    1.04    1981    33.3    1956    2.4    1903
10   41.1    1910    26.5    1984    4.77    1932    1.10    1924    33.0    2017    3.0    1953

April


     Warmest         Coldest	     Wettest	     Driest          Snowiest        Least Snow		
1    52.6    1878    36.0    1874    5.81    2011    0.94    1884    23.8    1901    0.0    1998
2    52.5    1921    38.6    1943    5.41    1929    1.06    1915    20.2    1979    T	    2023
3    52.4    2010    39.3    1975    4.99    1874    1.09    1896    19.5    1904    T	    2022
4    52.3    2008    39.7    1926    4.95    2017    1.12    1892    19.5    1885    T	    2011
5    51.4    1915    40.0    1907    4.90    1944    1.15    1881    15.8    1990    T	    2008
6    50.8    1955    40.0    1875    4.84    1996    1.18    1995    14.9    1975    T 	    2005
7    50.4    1945    40.2    1944    4.81    1943    1.19    2001    13.3    1894    T	    1968
8    50.4    1896    40.4    1904    4.71    1873    1.19    1927    12.4    1982    T	    1967
9    50.2    2023    40.8    1950    4.43    2005    1.22    1888    12.2    1983    T	    1952
10   50.1    1942    40.9    2018    4.35    2024    1.27    2003     9.8    1909    T	    1951

May


     Warmest         Coldest         Wettest         Driest          Snowiest		
1    64.6    2018    49.1    1967    6.87    1894    0.24    2007    10.9    1989
2    64.0    2015    49.2    1917    6.62    1974    0.36    1977    3.3     1909
3    63.7    1911    49.6    1882    6.53    1883    0.50    1965    3.0     1908
4    63.3    2024    50.4    1997    6.00    1890    0.52    1934    2.0     1945
5    63.2    1975    50.4    1907    5.99    1989    0.53    1903    2.0     1911
6    63.2    1944    50.6    1924    5.87    2002    0.64    1939    1.5     1996
7    63.2    1896    51.2    1945    5.86    1881    0.78    1920    1.3     1907
8    63.2    1880    52.2    2005    5.80    1916    1.12    1891    1.0     1963
9    63.0    2012    52.2    1925    5.76    1990    1.17    1887    0.7     1923
10   62.9    1998    52.3    1883    5.69    1893    1.19    1925    0.6     1977

June


     Warmest	     Coldest         Wettest         Driest		
1    73.0    1949    60.9    1881    8.14    1922    0.22    1963
2    72.8    1919    61.4    1958    7.11    1998    0.64    1965
3    70.8    2021    61.5    1926    6.77    1980    0.76    1929
4    70.8    1943    61.7    1985    6.68    1892    0.81    1952
5    70.7    1973    62.0    1902    6.65    1996    0.83    1921
6    70.7    1895    62.6    1918    6.56    1972    0.89    1898
7    70.6    1893    62.6    1916    6.40    1917    0.89    1912
8    70.5    2005    62.6    1897    6.27    2013    0.91    2016
9    70.4    1967    62.7    2004    6.25    2009    0.91    1909
10   70.2    1934    62.8    1917    6.20    2015    0.94    1893

July


     Warmest	     Coldest         Wettest         Driest		
1    77.8    1921    65.4    1884    9.70    1947    0.43    1933
2    75.8    1952    66.2    2009    8.08    1945    0.61    1994
3    75.6    2020    66.6    1992    8.02    2006    0.89    1916
4    75.6    1935    67.1    1891    7.70    2014    0.91    1914
5    75.6    1916    67.1    2000    7.66    2021    0.98    1989
6    75.4    1955    67.5    1965    6.81    2023    0.98    1955
7    75.2    2018    67.5    1962    6.37    1897    1.07    1886
8    75.0    2006    67.7    1920    6.35    2004    1.12    1888
9    74.8    2016    67.7    1888    6.09    1998    1.13    1983
10   74.8    1931    67.8    1997    6.03    1992    1.14    1973

August


     Warmest         Coldest	     Wettest	     Driest		
1    75.9    2016    65.0    1927    7.26    1886    0.36    1876
2    75.0    1947    65.2    1885    6.05    1871    0.56    1899
3    74.5    1959    65.2    1912    6.00    1984    0.70    1894
4    74.3    1980    65.3    1903    5.95    1968    0.76    1951
5    74.2    1937    65.5    1963    5.83    1914    0.81    2007
6    73.9    1955    65.7    1986    5.71    1999    0.84    1874
7    73.8    2021    65.8    1946    5.67    1956    0.84    2002
8    73.7    1900    66.1    1982    5.65    1977    0.96    1957
9    73.6    2018    66.2    1964    5.61    2011    1.11    1985
10   73.6    1938    66.2    1902    5.61    1893    1.12    1925*

September


     Warmest         Coldest	     Wettest	     Driest		
1    71.6    1881    56.2    1871    6.30    1977    0.28    1960
2    68.5    1961    56.6    1918    6.18    1925    0.39    1961
3    68.5    1921    56.7    1963    5.71    1924    0.46    1897
4    68.1    1931    58.0    1956    5.69    1876    0.50    1937
5    67.9    2015    58.0    1888    5.39    2006    0.51    1927
6    67.7    2018    58.0    1876    5.37    1981    0.51    1871
7    67.7    2002    58.4    1975    5.36    1997    0.58    1964
8    67.4    1971    58.6    1887    5.32    1979    0.71    1933
9    66.9    1934    58.6    1879    5.27    1938    0.75    1928
10   66.8    2016    58.6    1875    5.21    1945    0.82    1882

October


     Warmest         Coldest	     Wettest         Driest          Snowiest		
1    59.4    1947    43.8    1925    8.67    1873    0.08    1924    5.0    1906
2    59.4    1900    43.9    1889    8.14    1872    0.14    1938    2.6    1993
3    59.0    1971    44.2    1888    7.85    1955    0.23    1963    2.5    1930
4    58.0    2007    44.9    1895    7.46    2021    0.36    1947    2.2    1910
5    57.8    1879    45.8    1988    6.71    2017    0.58    1896    1.7    1885
6    57.7    2017    45.8    1917    6.02    1906    0.62    1882    1.5    1895
7    57.6    2021    45.8    1876    5.70    1995    0.67    1879    1.4    1960
8    57.4    1920    46.4    1992    5.46    1919    0.68    1966    1.4    1957
9    57.3    1963    46.6    1887    5.40    1996    0.76    1984    1.0    1934
10   56.8    1946    47.1    1987    5.31    1880    0.76    1964    1.0    1928

November


     Warmest	     Coldest         Wettest         Driest	     Snowiest        Least Snow		
1    49.1    1931    30.6    1873    7.12    1927    0.33    1904    24.9    1996    0.0    2024
2    47.2    1975    32.7    1871    6.99    1985    0.44    1976    23.4    1995    0.0    1952
3    47.1    2001    33.3    1880    5.51    1950    0.46    1939    22.2    1886    0.0    1935
4    46.6    2015    33.7    1901    5.46    1877    0.48    1924    21.6    1997    T	    2009
5    46.2    1948    33.8    1875    5.10    1945    0.71    2012    19.3    1933    T      1948
6    46.0    1902    34.2    1951    5.07    1878    0.73    1960    17.8    2019    0.1    1939
7    45.9    2006    34.3    1996    4.91    1983    0.80    1887    17.6    1983    0.1    1946
8    45.8    2011    34.6    1933    4.83    1972    0.97    2015    17.4    2018    0.1    1954
9    45.8    1994    34.8    1917    4.63    1921    1.01    1902    17.0    1900    0.1    1998
10   45.5    2020    34.9    1872    4.62    1889    1.01    1935    16.9    2002    0.1    2001

December


     Warmest         Coldest         Wettest         Driest          Snowiest        Least Snow		
1    42.2    2015    17.1    1989    6.17    1878    0.62    1958    46.5    2010    2.3    2015
2    39.9    2023    19.5    1876    5.05    1944    0.77    1943    46.2    2008    2.6    1928
3    39.0    2006    19.9    1872    4.65    1977    0.78    1928    46.1    1981    2.6    1939
4    37.4    1982    20.5    1917    4.64    1959    1.00    1874    44.2    1970    4.1    1932
5    37.4    1923    21.4    1958    4.60    1873    1.03    1960    42.0    1969    4.3    2006
6    36.7    2021    21.7    1963    4.48    1942    1.11    1988    41.8    2007    4.7    1891
7    36.6    1889    22.4    1910    4.47    1983    1.15    1908    41.8    1944    4.8    2022
8    36.2    2012    22.6    2000    4.35    1978    1.23    1961    41.1    2002    4.9    2011
9    36.2    1911    22.8    1886    4.28    2007    1.24    1938    39.3    2000    5.0    1931
10   36.2    1891    23.0    1945    4.18    1990    1.25    1921    35.2    1977    5.1    1943

Annual


    Warmest       Coldest	Wettest	       Driest         Snowiest		Least Snow		
1   52.6   2024   44.1   1875   49.89   1873   20.30   1887   161.7   1959-60   29.2   1932-33
2   51.8   2012   44.5   1917   48.81   1878   22.45   1964   160.9   1977-78   36.0   1918-19
3   51.5   2006   44.9   1888   45.37   2017   24.02   1941   142.7   1970-71   41.7   1952-53
4   51.4   1931   45.0   1885   45.06   1996   24.09   1963   141.5   1900-01   44.3   1905-06
5   51.4   1921   45.1   1904   44.10   1945   24.46   1934   140.6   1958-59   46.1   1943-44
6   51.1   2016   45.2   1873   43.09   1890   24.60   1988   138.5   1978-79   49.5   1934-35
7   51.0   2023   45.3   1872   41.96   1998   24.73   1882   135.2   2002-03   49.5   1945-46
8   50.7   2021   45.7   1926   41.80   1880   25.16   1965   133.0   2000-01   50.4   2022-23
9   50.7   1998   46.0   1924   41.44   1947   25.19   1939   131.5   1992-93   50.7   1887-88
10  50.5   2017   46.2   1958   41.06   2006   25.56   1933   131.3   1899-00   50.9   1948-49

Radar