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

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

55°F

13°C

Humidity 69%
Wind Speed SW 8 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 7 Oct 3:55 am EDT
Extended Forecast for

4 Miles ESE Young America IN

  • Today

    Today: Sunny, with a high near 80. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Light west northwest wind increasing to 5 to 10 mph in the morning.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. North wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76. South southeast wind 3 to 7 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. South southeast wind around 9 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. South southwest wind 9 to 11 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Partly cloudy, with a low around 60. South southeast wind around 8 mph.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 73. East southeast wind around 10 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 80. West wind 10 to 13 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 50. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 74. Light west northwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 46. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 76. South southeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 56. South southeast wind around 9 mph.
Saturday
Sunny, with a high near 83. South southwest wind 9 to 11 mph.
Saturday Night
A 40 percent chance of showers after 2am. Partly cloudy, with a low around 60. South southeast wind around 8 mph.
Sunday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 73. East southeast wind around 10 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 55. East northeast wind 5 to 7 mph becoming west northwest after midnight.
Columbus Day
Mostly sunny, with a high near 78.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Young America IN
 40.55°N 86.29°W (Elev. 797 ft)
Last Update:
3:45 am EDT Oct 7, 2026
Forecast Valid:
4am EDT Oct 7, 2026-6pm EDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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