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Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

62°F

17°C

Humidity 40%
Wind Speed SW 9 mph
Barometer 30.46 in (1032.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Oct 1:55 pm EDT
Extended Forecast for

2 Miles NNW Amboy IN

Frost Advisory October 19, 01:00am until October 19, 09:00am
Click here for hazard details and duration
Frost Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 63. South wind around 10 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Areas of frost after 4am.  Otherwise, clear, with a low around 36. South wind around 5 mph.

    Low: 36 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Areas of frost before 9am.  Otherwise, sunny, with a high near 68. Calm wind.

    High: 68 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Calm wind.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 63. South wind around 10 mph.
Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 36. South wind around 5 mph.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 68. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 69. Calm wind.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Amboy IN
 40.62°N 85.94°W (Elev. 797 ft)
2:29 pm EDT Oct 18, 2026
2pm EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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