Excessive Heat in the Interior West; Monsoon Conditions in the Southwest

Dangerous heat is expected to be in place across portions of California, especially the Central Valley, and across the Interior Northwest into Friday. Heat Advisories will also be in place across the southern Plains into the Lower Mississippi River Valley. Monsoonal showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region and Southwest through Friday. Read More >

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Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

68°F

20°C

Humidity	81%
Wind Speed	Calm
Barometer	30.04 in (1017.0 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	16 Aug 8:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Millersburg PA

Today

Partly Sunny
then
Scattered
Showers
High: 82 °F
Tonight

Scattered
Showers then
Partly Cloudy
Low: 58 °F
Wednesday

Mostly Sunny
then
Scattered
Showers
High: 79 °F
Wednesday
Night

Scattered
Showers then
Partly Cloudy
Low: 58 °F
Thursday

Sunny then
Slight Chance
T-storms
High: 84 °F
Thursday
Night

Mostly Clear
Low: 60 °F
Friday

Sunny
High: 88 °F
Friday
Night

Partly Cloudy
Low: 64 °F
Saturday

Mostly Sunny
then Chance
Showers
High: 86 °F

Detailed Forecast

Today

Scattered showers, mainly after 5pm. Partly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Scattered showers, mainly before 8pm. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 84. Light northwest wind. Chance of precipitation is 20%.

Thursday Night

Mostly clear, with a low around 60.

Friday

Sunny, with a high near 88.

Friday Night

Partly cloudy, with a low around 64.

Saturday

A chance of showers after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

Saturday Night

A chance of showers before 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.