Midwest & Ohio Valley: El Nino Winter Outlook
Precip: drier · Temp: warmer · Moderate confidence
The Ohio and Tennessee valleys sit in one of the more consistent El Nino dry-lean zones in the CPC composite, as the storm track's southward shift pulls the wettest systems toward the Gulf Coast instead.
The Ohio Valley's dry winter lean is real, but 2015-16's December tornado outbreak is the region's reminder that El Nino's biggest Midwest signal can show up as timing and severe-weather-season shifts rather than a simple wet/dry swing.
Historical strong-event comparison
How this exact region behaved in the strongest recent El Nino winters -- not a national average.
| Event | What happened here | Source |
|---|---|---|
| 1997-98 | Below-normal winter precipitation across the Ohio Valley, with a comparatively mild season. | NOAA CPC composite analysis |
| 2015-16 | A notably mild winter across the Midwest, though a severe late-season tornado outbreak in December 2015 was itself linked to the record-strength event's altered storm track -- a reminder that 'drier on average' doesn't mean 'quiet.' | NOAA CPC post-event assessments |
Hazard flags
- Severe-weather season timing can shift from the typical pattern
Want the national picture first? See the 2026-27 winter forecast hub or check live current status.