Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

60°F

16°C

Humidity 59%
Wind Speed SE 9 mph
Barometer 30.21 in (1023.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 Oct 10:55 am EDT
Extended Forecast for

Peru IN

  • Today

    Today: Sunny, with a high near 70. East wind 5 to 10 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southeast wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 74. South wind 5 to 10 mph.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. South wind around 10 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 81. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 49. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 49 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 60. Breezy.  Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 8pm.  Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 70. East wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 47. Southeast wind around 5 mph.
Friday
Partly sunny, with a high near 74. South wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 57. South wind around 10 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 60. Breezy. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 65.
Monday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 47.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 66.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 41.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.76°N 86.07°W (Elev. 656 ft)
8:15 am EDT Oct 16, 2025
11am EDT Oct 16, 2025-6pm EDT Oct 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database