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.

Mostly Cloudy

69°F

21°C

Humidity 69%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 19 Aug 5:15 am EDT
Extended Forecast for

4 Miles WSW Linn Grove IN

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. West wind around 5 mph. Chance of precipitation is 30%.

    High: 77 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Heavy Rain

  • Thursday

    Thursday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 77. Calm wind becoming northeast around 5 mph.

    High: 77 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 57.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 63. Southwest wind around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. West wind around 5 mph. Chance of precipitation is 30%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 77. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 58. Calm wind.
Friday
Mostly sunny, with a high near 78.
Friday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 60.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Linn Grove IN
 40.59°N 85.04°W (Elev. 846 ft)
Last Update:
4:15 am EDT Aug 19, 2026
Forecast Valid:
5am EDT Aug 19, 2026-6pm EDT Aug 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