National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Overcast

68°F

20°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Sep 6:56 am EDT
Extended Forecast for

Natrona Heights PA

  • Today

    Today: Partly sunny, with a high near 78. Calm wind becoming north 5 to 7 mph in the morning.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Northeast wind 5 to 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 76. East wind around 7 mph.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 63. East wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Cloudy, with a low around 59. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.

    High: 70 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely. Cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely. Cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 78. Calm wind becoming north 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 55. Northeast wind 5 to 7 mph.
Saturday
Partly sunny, with a high near 76. East wind around 7 mph.
Saturday Night
Showers likely, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 63. East wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms. Cloudy, with a low around 59. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Monday Night
Showers likely. Cloudy, with a low around 58. Chance of precipitation is 70%.
Tuesday
Showers likely. Cloudy, with a high near 66. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Cloudy, with a low around 53. Chance of precipitation is 70%.
Wednesday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Natrona Heights PA
 40.63°N 79.72°W (Elev. 997 ft)
Last Update:
7:12 am EDT Sep 18, 2026
Forecast Valid:
7am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation