National Weather Service United States Department of Commerce

Severe weather possible for parts of northern Plains

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon and evening across portions of the northern Plains, from extreme south-central North Dakota into eastern South Dakota. Isolated severe thunderstorms capable of hail and locally-strong wind gusts are possible.
Read More...

Current Conditions

En Español

Share |

3 Miles NW Mercersburg PA

7 Day Forecast

For More Weather Information:

State College, PA Local Forecast Office

Tonight

Showers Chance for Measurable Precipitation 80%

Showers

Low: 56 °F

Wednesday

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

High: 72 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 55 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 74 °F

Thursday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 57 °F

Friday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 72 °F

Friday
Night

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 52 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 63 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 42 °F

Detailed Forecast

  • Tonight Showers and possibly a thunderstorm before 11pm, then a chance of showers. Low around 56. Northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Wednesday A slight chance of showers before 8am, then isolated showers after 2pm. Mostly cloudy, with a high near 72. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.
  • Wednesday Night Partly cloudy, with a low around 55. Light east wind.
  • Thursday Mostly sunny, with a high near 74. Light southeast wind.
  • Thursday Night A slight chance of showers. Partly cloudy, with a low around 57. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.
  • Friday Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Friday Night Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
  • Saturday Mostly sunny, with a high near 63.
  • Saturday Night Mostly clear, with a low around 42.
  • Sunday Sunny, with a high near 61.
  • Sunday Night Partly cloudy, with a low around 44.
  • Monday Mostly sunny, with a high near 66.
  • Monday Night Mostly cloudy, with a low around 46.
  • Tuesday Mostly sunny, with a high near 66.