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

38°F

3°C

Humidity 84%
Wind Speed W 8 mph
Barometer 30.03 in (1017.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 9 Nov 2:55 am EST
Extended Forecast for

Grissom Air Force Base / Peru IN

  • Overnight

    Overnight: Mostly clear, with a low around 36. West wind around 5 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Southwest wind 5 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. West wind 5 to 10 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 36. West wind around 5 mph.
Monday
Sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. Southwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 64. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 37. Calm wind.
Veterans Day
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 62.
Wednesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 50.
Thursday Night
A slight chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grissom Air Force Base / Peru IN
 40.65°N 86.14°W (Elev. 804 ft)
Last Update:
2:15 am EST Nov 9, 2026
Forecast Valid:
3am EST Nov 9, 2026-6pm EST Nov 15, 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