Iowa Records Third-Warmest October on Record
October 2026 ran roughly 8.5 degrees above normal across Iowa, with warmth expected to persist into early November.
Updated on Nov. 6, 2026 in Current Conditions
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Iowa's October 2026 was the third warmest October in 154 years of state records, running about 8.5 degrees above normal. Southwest Iowa also logged its third-wettest and fifth-warmest October on record.
Why it matters
The warm stretch extends into early November and is tied to a strong El Niño pattern, with forecasts pointing to a warmer winter that could reduce the chances of a white Christmas in Iowa. Residents should expect a shift in seasonal weather and precipitation patterns across the state.
Iowa's October 2026 temperature ran roughly 8.5°F above normal, ranking third warmest in 154 years of state records, according to climate records. Soil temperatures at four inches remain in the mid to upper 50s, and it is not yet established how long the warmth will persist beyond early November.
The players
Iowa State Climatology Office
The state office responsible for maintaining Iowa's climate records and tracking long-term temperature and precipitation trends.
The details
The jet stream has shifted further north, letting warmer air intrude into the upper Midwest. The warm fall is largely attributed to one of the strongest El Niño patterns on record, which is driven by warming sea temperatures in the eastern Pacific Ocean. One of the latest fall frost and freeze events on record also occurred in Iowa.
Timeline
October 2026: Iowa records its third-warmest October in 154 years of state data.
Early November 2026: warmth is expected to persist into this period.
Winter 2026-27: warmer temperatures are projected, reducing chances for a white Christmas.
Seasonal Patterns
This warm October follows the same strong El Niño pattern recorded in 1982-83, 1997-98, and 2015-16. Those prior events established a link between eastern Pacific warming and milder Iowa falls and winters.
Iowa residents should plan for a warmer, potentially wetter winter with more mixed precipitation events, which can affect driving and home heating needs. Keep an eye on local forecasts as the warm pattern is expected to continue into early November.
The takeaway
Iowa's warm fall is a clear marker of the current El Niño pattern, and the projected warm winter may mean fewer white Christmases and more rain and mixed precipitation. Planning for these shifts in seasonal weather can help households prepare for changing conditions.
Further reading
For ongoing updates, see Current Conditions across Iowa.
Source note: This article includes information reported by KMAland.
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