Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Map of estimated Water Temperatures
List of Water Temperature observations (at bottom of page/list)

Latest Marine Discussion:

.MARINE... Light winds are expected today and through the overnight. Winds shift to southerly on Monday with a Small Craft Advisory in effect from 9AM to 6PM. Advisories will likely be needed on Tuesday as northwest winds gust 15 to 20 knots. Additionally, showers and thunderstorms are expected across the waters Monday afternoon and evening with SMWs likely needed. Northwest winds behind a cold front may result in marginal advisory conditions on Tuesday. Light winds are expected Wednesday under high pressure. Small Craft Advisories may be needed Thursday afternoon into Thursday night in southerly flow. The next upper level disturbance could bring more thunderstorms Thursday and Friday afternoon and evening. Update as of: 233 PM EDT Sun Jun 21 2026

Click/Tap on any zone on map below for marine forecast:
Click here for the Synopsis and text forecast.

[LWX marine zones]

NEW FORECAST TOOL: Experimental NWS Marine Forecast Portal

Click on any marine zone on this map to go to a detailed hour-by-hour weather forecast for the next 7 days

Please provide feedback to cody.ledbetter@noaa.gov

------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Marine Forecasts for the Lower Chesapeake Bay and Eastern VA Rivers

(These forecasts are provided by the Weather Forecast Office in Wakefield, VA)

Lower Chesapeake Bay

Smith Point to Windmill Point

Windmill Point to New Point Comfort

New Point Comfort to Little Creek

Little Creek to Cape Henry Incl. CBBT

Eastern VA Rivers

Rappahannock River (Urbanna-Windmill Pt)

York River

James River (Jamestown-James River Bridge)

James River (James River Bridge-HRBT)

------------------------------------------------------------------------------------------------------------------------------------------------------------------------