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

Portland Municipal Airport (KPLD)

Lat: 40.45°NLon: 84.99°WElev: 925ft.

Fair

39°F

4°C

Humidity 73%
Wind Speed SE 3 mph
Barometer 30.01 in
Dewpoint 31°F (-1°C)
Visibility 7.00 mi
Last update 7 Jan 8:35 pm EST
Extended Forecast for

Keystone IN

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South wind 5 to 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 2pm. Mostly cloudy, with a high near 55. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Temperature rising to around 59 by 1am. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F⇑

    Rain and
    Breezy

  • Friday

    Friday: Rain likely, mainly before 10am. Partly sunny, with a high near 60. Southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Northwest wind around 5 mph becoming east after midnight.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 48. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before 1am, then a slight chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30.

    High: 30 °F

    Slight Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. South wind 5 to 10 mph.
Thursday
A 20 percent chance of rain after 2pm. Mostly cloudy, with a high near 55. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Rain before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Temperature rising to around 59 by 1am. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 10am. Partly sunny, with a high near 60. Southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Northwest wind around 5 mph becoming east after midnight.
Saturday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 48. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of rain and snow showers before 1am, then a slight chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Wednesday
A chance of rain. Cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Keystone IN
 40.6°N 85.25°W (Elev. 846 ft)
Last Update:
8:01 pm EST Jan 7, 2026
Forecast Valid:
8pm EST Jan 7, 2026-6pm EST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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