NWS Issues Winter 2026-27 Forecast for Midwest
The National Weather Service anticipates warmer than average temperatures for the Midwest this coming winter season.
Updated on Oct. 19, 2026 in Forecasts
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The National Weather Service and the National Oceanic and Atmospheric Administration released their Winter 2026-27 Outlook on October 15, 2026. The forecast predicts warmer than average conditions across the Midwest for the months of December through February.
Why it matters
A forecasted El Niño event is driving these anticipated temperature patterns for the season. Officials note this shift will likely result in lower than normal snowfall totals across the region.
The outlook calls for temperatures to remain within average ranges rather than extreme heat, noting the Midwest is unlikely to experience polar vortex events. Average winter temperatures are expected to settle in the mid-30s versus the mid-20s.
The players
National Weather Service
This federal agency is responsible for providing weather forecasts and hazardous weather warnings for the United States.
National Oceanic and Atmospheric Administration
This federal scientific and regulatory agency focuses on the conditions of the oceans, major waterways, and the atmosphere.
The details
Meteorologists utilized historical data from past strong El Niño events to develop these seasonal projections for the region. Precipitation levels are currently predicted to remain close to average despite the warmer temperature trends.
Timeline
October 15, 2026: The National Weather Service released the Winter 2026-27 Outlook.
December 2026 through February 2027: Period expected to see above-normal temperatures in Naperville.
Seasonal Patterns
The model follows the meteorological patterns established by the 2015-16 strong El Niño event to forecast current seasonal trends. This current outlook reflects established climatological correlations between oceanic surface temperatures and regional winter weather.
Residents should anticipate lower seasonal snowfall and plan accordingly for milder winter conditions in the Naperville area. While the risk of polar vortex events is currently considered low, stay updated with official agency releases for any shifting climate developments.
The takeaway
The upcoming winter season is projected to remain largely within average temperature ranges despite the influence of El Niño. Residents can expect fewer extreme cold events compared to years dominated by polar vortex activity.
Further reading
Learn more about seasonal climate trends in the United States Forecasts section.
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