National Weather Service United States Department of Commerce

Flash flooding possible across southern Plains

A wet weather system continues across the southern U.S., with abundant moisture brining heavy rain and a risk of flash flooding to parts of the southern Plains on Wednesday. The heaviest rain will fall across Oklahoma, though flood watches and warnings are in effect eastern Colorado to western Arkansas. The flash flood threat should diminish on Thursday, as the system weakens over Texas.
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

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

Low: 60 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 80 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 62 °F

Friday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 80 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 61 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 77 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 62 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 79 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 62 °F

Detailed Forecast

  • Tonight Scattered showers and thunderstorms before 8pm, then isolated showers between 8pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 60. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Thursday Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the morning.
  • Thursday Night Partly cloudy, with a low around 62. Light and variable wind.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Friday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Saturday A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
  • Sunday A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
  • Monday Partly sunny, with a high near 82.
  • Monday Night Mostly cloudy, with a low around 62.
  • Tuesday Partly sunny, with a high near 83.
  • Tuesday Night Mostly cloudy, with a low around 62.
  • Wednesday Partly sunny, with a high near 82.