Weather
Kansas Winter Weather: How 1 Inch of Water Can Become 20 of Snow
Wichita, KS – Winter storms across Kansas can produce dramatically different snowfall totals, even when communities receive nearly identical amounts of moisture. From Wichita to Topeka, just 1 inch of
By Claire Benton · 2026-11-10T07:54:30.070Z
Wichita, KS – Winter storms across Kansas can produce dramatically different snowfall totals, even when communities receive nearly identical amounts of moisture. From Wichita to Topeka, just 1 inch of liquid precipitation can sometimes produce 5 inches of heavy, wet snow or as much as 20 inches of lighter, fluffier snow.
The difference comes down to the snow to liquid ratio, which measures how much snow accumulates from a given amount of liquid water.
Why One Inch Can Produce 20 Inches of Snow
A commonly used forecasting guideline is the 10 to 1 ratio, meaning 1 inch of liquid water produces approximately 10 inches of snow.
However, actual snowfall ratios can vary considerably.
Heavy, wet snow may have a ratio near 5 to 1, producing approximately 5 inches from 1 inch of liquid precipitation.
Under colder atmospheric conditions favorable for fluffy snow, ratios can sometimes reach 20 to 1, producing approximately 20 inches from the same moisture.
Kansas winters can support a wide range of snow densities, although colder temperatures do not automatically guarantee fluffier snow.
Wichita and Topeka: Why Snowfall Can Differ
Wichita, located in south central Kansas, frequently experiences winter weather systems moving across the southern and central Plains.
Topeka, farther northeast, can encounter different temperatures and precipitation amounts depending on a storm's track.
A relatively small shift in a winter storm's path can determine whether one city receives accumulating snow while another experiences lighter snow, sleet or freezing rain.
Cold Arctic air moving south across the Plains can also influence precipitation type and snow density.
Across western Kansas, higher elevations and generally drier conditions can further affect snowfall characteristics.
What Kansas Residents Should Know
Heavy, wet snow can weigh down trees and power lines, increasing the potential for damage and outages.
Lighter, fluffier snow can be especially vulnerable to strong winds, producing blowing snow and dangerous visibility reductions.
Kansas' open landscape allows snow to drift across highways, sometimes creating hazardous conditions even after precipitation stops.
Travel conditions can deteriorate rapidly along Interstate 35, Interstate 70 and Interstate 135 during winter storms.
Understanding snow to liquid ratios helps explain why snowfall forecasts can change even when expected moisture amounts remain similar.
For Kansas residents, winter storm impacts depend on more than snowfall depth. Temperature, wind, storm tracks and snow density all influence accumulation and travel hazards.