Weather
Missouri Winter 2026-27: St. Louis and 17.5-Inch Snow History
MISSOURI – St. Louis, Kansas City, Springfield and Columbia are heading toward winter 2026 27 with historical snowfall patterns offering an important reminder: Warmer seasonal conditions do not elimin
By Marcus Hale · 2026-10-20T10:11:07.907Z
MISSOURI – St. Louis, Kansas City, Springfield and Columbia are heading toward winter 2026 27 with historical snowfall patterns offering an important reminder: Warmer seasonal conditions do not eliminate dangerous winter weather. Missouri averages approximately 17.5 inches of snow annually across its weather stations, and even during El Niño winters, snowstorms, freezing rain and hazardous travel can remain concerns through March.
According to the National Oceanic and Atmospheric Administration NOAA , its October 15, 2026, seasonal outlook favors above normal temperatures across Missouri from December through February, with probabilities generally ranging from 40% to 50%. Precipitation probabilities are less definitive, with much of the state near equal chances and portions of western Missouri leaning wetter than normal. These outlooks describe seasonal probabilities, not predicted snowfall totals.
What Missouri's Snowfall History Actually Shows Missouri's historical statewide average of 17.54 inches reflects weather station measurements rather than snowfall at any single location.
Northern communities near St. Joseph and Kirksville generally experience more snowfall than southern areas around Springfield, Joplin and the Bootheel.
NOAA historical maps examining El Niño winters between 1950 and 2009 show generally below average snowfall tendencies across Missouri, particularly during stronger events.
However, those maps do not establish a directly comparable statewide El Niño snowfall average or precise percentage reduction.
Below average snowfall does not mean insignificant snowfall.
Why El Niño Doesn't Guarantee an Easy Winter El Niño alters Pacific Ocean temperatures and atmospheric circulation, influencing the jet stream and winter storm tracks across North America.
For Missouri, those shifts can affect whether passing systems produce rain, freezing rain, sleet or accumulating snow.
Cold Arctic air colliding with Gulf moisture can still create disruptive winter storms, particularly along the Interstate 70 corridor.
Ice accumulation is another concern, especially across central and southern Missouri, where temperatures frequently fluctuate around freezing.
What This Means Through March Drivers along Interstate 70 between Kansas City and St. Louis, Interstate 44 through Springfield and Interstate 55 south of St. Louis should remain prepared for slick roads and sudden visibility reductions.
Bridges, overpasses and elevated roadways can become icy before surrounding pavement.
NOAA's December–February outlook does not cover March 2027, when late season snowfall and freezing temperatures remain possible.
El Niño influences Missouri's seasonal weather probabilities, but it cannot guarantee a snow free winter or eliminate disruptive storms.