National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >

 NATIONAL WEATHER SERVICE - DENVER, COLORADO
          MONTHLY TEMPERATURE, RAINFALL, AND SNOWFALL EXTREMES
                               FOR MARCH

20 WARMEST MARCH          20 WETTEST MARCH           20 SNOWIEST MARCH
   (1873-2021)               (1872-2021)               (1882-2021)

 1  50.4  1910             1  4.56  1983             1  35.2  2003
 2  49.2  2012             2  3.80  2021             2  34.0  2021   
 3  47.9  2017             3  3.50  1992             3  32.5  1944
 4  47.2  1907             4  3.10  1990             4  31.3  1891
 5  47.1  1986                3.10  1891             5  30.5  1983
 6  47.0  1918             6  3.07  1905             6  29.2  1961
 7  46.5  1879             7  3.05  2003             7  26.8  1959
 8  46.4  2004             8  3.03  1909             8  25.7  1923
    46.4  1946             9  2.85  1959             9  25.2  1952
10  46.0  2007            10  2.75  1944            10  24.8  1929
    46.0  1887            11  2.51  1961            11  24.0  1981
12  45.7  1916            12  2.41  1949            12  23.9  1906
13  45.2  1878            13  2.36  1886            13  23.5  2013
14  45.1  1911            14  2.29  1940            14  21.9  1990
15  45.0  2015                2.29  1927            15  21.8  1886
    45.0  1873            16  2.27  1981            16  20.8  1948
17  44.9  1921            17  2.17  1923            17  20.5  1970
18  44.8  1994            18  2.16  1929            18  20.4  1899
19  44.7  1972            19  2.12  1952            19  20.3  1924
20  44.5  1925                2.12  1938            20  20.2  1909
              
 
20 COLDEST MARCH          20 DRIEST MARCH         LEAST SNOWIEST MARCH
  (1873-2021)               (1872-2021)                (1882-2021)

 1  26.4  1912             1  0.03  2012             1     T  2017
 2  28.0  1924             2  0.11  1908             2     T  2012
 3  29.0  1965             3  0.14  2008             3     T  1995
 4  29.7  1906                0.14  2004             4   0.3  1883
 5  32.1  1969             5  0.18  1982             5   0.4  1911
 6  32.2  1891             6  0.19  1999             6   0.5  1885
 7  32.8  1958             7  0.20  1882             7   1.1  1887
 8  33.0  1964             8  0.21  1883             8   1.8  2004
 9  33.1  1899                0.21  1880             9   2.0  1882
10  33.2  1917            10  0.22  1945            10   2.1  1982    
11  33.3  1932                0.22  1873            11   2.1  1908   
12  33.5  1970            12  0.23  1935            12   2.5  2011
13  33.6  1915                0.23  1893            13   2.5  1918
14  33.7  1952                0.23  1887            14   2.6  1986
    33.7  1948            15  0.26  1997            15   2.6  1898
16  33.8  2002            16  0.28  1995            16   2.8  1966
    33.8  1888                0.28  1911            17   2.8  1910
18  33.9  1923                0.28  1898            18   3.9  2015
19  34.4  1880            19  0.30  1946            19   3.0  1935
20  34.5  1944            20  0.31  1950            20   3.0  1890


- Temperatures in degrees Fahrenheit.

- Precipitation and Snowfall amounts in inches.

- Average March Temperature is 40.4 degrees (from 1981-2010 DIA data).

- Average March Precipitation is 0.92 inches (from 1981-2010 DIA data).

- Average March Snowfall is 10.7 inches (from 1981-2010 DEN data).

- Data collected at the Downtown City Office from 1872-December 1949, then
  at the Stapleton Airport Office from January 1950-February 1995, then at
  Denver International Airport from March 1995-Present.  


UPDATED: 3/31/2021