Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

50°F

10°C

Humidity 59%
Wind Speed NE 12 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Mar 3:53 pm EDT
Extended Forecast for

Danville PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 72. Light and variable wind becoming southwest 5 to 7 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Partly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible.  Low around 36. North wind 3 to 5 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Showers then
    Rain/Snow

  • Monday

    Monday: Rain and snow showers likely before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 46. North wind around 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. North wind around 6 mph becoming calm  in the evening.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. Calm wind.
Sunday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 72. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 36. North wind 3 to 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Rain and snow showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 46. North wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 28. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Thursday
A chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Friday
A chance of showers. Mostly sunny, with a high near 47. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Danville PA
 40.96°N 76.63°W (Elev. 499 ft)
2:21 pm EDT Mar 21, 2026
4pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database