National Weather Service United States Department of Commerce

Severe weather possible for parts of eastern U.S.

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon & evening across parts of the Ohio Valley, Appalachians & eastern Great Lakes, from eastern Kentucky northeastward to central New York. The main threat will be strong, damaging wind gusts. Isolated strong to severe storms will also be possible across parts of the southern Plains & lower Miss. Valley.
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Current Conditions

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4 Miles WSW Portola Valley CA

7 Day Forecast

This
Afternoon

Mostly Sunny

Mostly
Sunny

High: 74 °F

Tonight

Chance Drizzle

Chance
Drizzle

Low: 53 °F

Wednesday

Chance Drizzle

Chance
Drizzle

High: 75 °F

Wednesday
Night

Chance Drizzle

Chance
Drizzle

Low: 53 °F

Thursday

Chance Drizzle

Chance
Drizzle

High: 76 °F

Thursday
Night

Chance Drizzle

Chance
Drizzle

Low: 53 °F

Friday

Chance Drizzle

Chance
Drizzle

High: 76 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 53 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 76 °F

Detailed Forecast

  • This Afternoon Mostly sunny, with a high near 74. West wind around 8 mph.
  • Tonight A chance of drizzle after 11pm. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 53. West wind 5 to 7 mph becoming calm in the evening.
  • Wednesday A chance of drizzle before 11am. Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon.
  • Wednesday Night A chance of drizzle after 11pm. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 53. West wind 5 to 7 mph becoming calm in the evening.
  • Thursday A chance of drizzle before 11am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 76. Calm wind becoming west 5 to 7 mph in the afternoon.
  • Thursday Night A chance of drizzle after 11pm. Partly cloudy, with a low around 53.
  • Friday A chance of drizzle before 11am. Mostly sunny, with a high near 76.
  • Friday Night Partly cloudy, with a low around 53.
  • Saturday Mostly sunny, with a high near 76.
  • Saturday Night Partly cloudy, with a low around 52.
  • Sunday Mostly sunny, with a high near 76.
  • Sunday Night Partly cloudy, with a low around 52.
  • Monday Sunny, with a high near 75.