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 >

Current conditions at

Arnold Palmer Regional Airport (KLBE)

Lat: 40.28°NLon: 79.4°WElev: 1199ft.

Fair

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Sep 1:55 am EDT
Extended Forecast for

Southwest Greensburg PA

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Light northeast wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79. Southeast wind around 5 mph.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 63. South wind 6 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 78. Southwest wind 10 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 54. Northwest wind around 10 mph becoming northeast after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly after 8am. Mostly cloudy, with a high near 69. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Cloudy, with a low around 50. Breezy. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Light northeast wind.
Saturday
Partly sunny, with a high near 79. Southeast wind around 5 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 63. South wind 6 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 78. Southwest wind 10 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 54. Northwest wind around 10 mph becoming northeast after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers, mainly after 8am. Mostly cloudy, with a high near 69. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely, mainly after 2am. Cloudy, with a low around 52. Chance of precipitation is 70%.
Tuesday
Showers likely, mainly before 2pm. Cloudy, with a high near 64. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly after 2am. Cloudy, with a low around 50. Breezy. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 64. Breezy. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Southwest Greensburg PA
 40.31°N 79.54°W (Elev. 1063 ft)
Last Update:
12:49 am EDT Sep 19, 2026
Forecast Valid:
2am EDT Sep 19, 2026-6pm EDT Sep 25, 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