Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Mostly Cloudy

94°F

34°C

Humidity	56%
Wind Speed	N 3 mph
Barometer	29.99 in (1015.1 mb)
Dewpoint	76°F (24°C)
Visibility	9.00 mi
Heat Index	107°F (42°C)
Last update	1 Jul 1:53 pm EDT

More Information:

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

Extended Forecast for

Riverside PA

Heat Advisory July 3, 08:00pm until July 4, 08:00pm

Extreme Heat Warning until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Extreme Heat Warning until July 3, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
This Afternoon
High: 98 °F
Hot
Tonight
Low: 75 °F
Mostly Clear
Thursday
High: 102 °F
Hot
Thursday Night
Low: 77 °F
Mostly Clear
Friday
High: 100 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 74 °F
Partly Cloudy
Independence Day
High: 97 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 72 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 98. Heat index values as high as 110. West wind around 5 mph.

Tonight

Mostly clear, with a low around 75. Calm wind.

Thursday

Sunny and hot, with a high near 102. Heat index values as high as 109. Calm wind becoming west around 6 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 77. West wind around 5 mph becoming calm in the evening.

Friday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 74.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 92. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Monday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.