Weather Forecasts

September 2023

Section 1: Atlantic Coast


1-3: Scattered showers for the weekend; risk of an isolated heavy thunderstorm, then fair.

4-7: Generally fair, warm and humid.

8-11: Thunderstorms sweep in from west across much of New England, then turning fair. Stormy weather across Southeast states down to Florida.

12-15: Unsettled weather; heavy rains spread north into the Mid-Atlantic and Northeast states.

16-19: Showers for New York-Pennsylvania area north and east to Maine, then fair. Thunderstorms for northern Florida; rain for the Carolinas, then fair.

20-23: Hurricane threat Atlantic Seaboard.

24-27: Fair and cold.

28-30: Wet for New England, followed by fair and cold conditions. Showers for Mid-Atlantic states and most of the Southeast.

Section 2: East of the Mississippi River


1-3: Scattered showers, Illinois-Michigan area, then fair.

4-7: Pleasant weather.

8-11: Thunderstorms migrate into the Great Lakes, then turning fair. Showery/thundery across the Florida Panhandle.

12-15: Unsettled weather spreads east into the Great Lakes.

16-19: Pleasant conditions for Great Lakes and Midwest. Squally along the Gulf Coast. Rain for Tennessee and points east, then fair.

20-23: Pleasant initially, then showers spread into the Ohio Valley. Hot and sticky Tennessee Valley to the Gulf Coast.

24-27: Fair and cold.

28-30: Wet Great Lakes to Gulf Coast.

Section 3: Rockies to Mississippi River


1-3: Showers for the weekend over North Dakota, south to Nebraska. Showers over Southern Plains states; cloudy skies Texas.

4-7: Pleasant conditions, then thunderstorms in the Rocky Mountains and over Plains states.

8-11: Thunderstorms in Texas and along the Gulf Coast; fair skies elsewhere.

12-15: Pleasant, then showers Rockies through Plains states and points east, especially Texas Panhandle, Oklahoma and Kansas.

16-19: Pleasant, under cloudy skies. Thunderstorms along Gulf Coast.

20-23: Thunderstorms over the Plains; stormy over Texas.

24-27: Fair, cold weather spreading east to Nebraska-Dakotas section.

28-30: Clearing skies and cold.

Section 4: Pacific Coast to Rockies


1-3: Clearing for Washington, Oregon, Idaho and California. Threatening skies from Arizona and points east.

4-7: Pleasant, then stormy.

8-11: Fair and pleasant.

12-15: Dry and pleasant give way to showers for Washington and Oregon, Colorado; California to New Mexico.

16-19: Stormy weather from the Pacific Coast to Idaho and Wyoming; snow over the highest elevations.

20-23: Precipitation over the Pacific Northwest gradually diminishes, elsewhere mixed clouds and sun with a gusty wind.

24-27: Fair and chilly initially, but then unsettled; wet for Arizona and New Mexico.

28-30: Clearing skies and chilly.