# US regional weather patterns and storm monitoring

> Live situation record from CLSTR: https://clstr.news/situations/us-regional-weather-patterns-and-storm-monitoring
> Updated: 2026-09-26T00:25:24.000Z. Sources: 12. Developments: 2.

Weather patterns across the United States have transitioned from a period of developing storms and cooling trends to more stable, sunny conditions in certain regions. 

Initially, reports indicated a developing Nor’easter in the Mid-Atlantic and New England, with potential for high winds, heavy rain, and high surf. Other areas faced frost advisories and varying conditions, including potential thunderstorms in the West and rain remnants from Hurricane Polo in the Heartland.

By the following weekend, high pressure from Ontario was expected to bring sunny skies and dry weather to parts of West Virginia, though temperatures remained cooler than normal. While coastal areas experienced cooling due to onshore flow, forecasters continued to monitor the potential impacts of Hurricanes Odalys and Polo, noting that wave heights were projected to stay below 8 feet unless storm paths shifted.

## Timeline

### 2026-09-26: Regional weather forecasts predict sunny skies and tropical storm monitoring

Weather forecasts predict sunny, dry conditions in West Virginia and cooling, foggy weather along coasts, with potential surf increases due to Hurricanes Odalys and Polo.

4 sources. https://clstr.news/cluster/regional-weather-forecasts-predict-sunny-skies-and-tropical-storm-monitoring

### 2026-09-23: Regional weather updates show cooling trends and approaching storms across the US

Diverse weather patterns are affecting the US, including a developing Nor’easter on the Mid-Atlantic coast, frost advisories in West Virginia, and shifting temperatures across the West and Midwest.

9 sources. https://clstr.news/cluster/regional-weather-forecast-predicts-cool-nights-and-shifting-temperatures

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Cite as: US regional weather patterns and storm monitoring. CLSTR, https://clstr.news/situations/us-regional-weather-patterns-and-storm-monitoring