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

63°F

17°C

Humidity 90%
Wind Speed S 5 mph
Barometer 30.18 in (1021.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 4 Oct 7:55 am EDT
Extended Forecast for

5 Miles NE Peru IN

  • Today

    Today: Sunny, with a high near 89. Southwest wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. South wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 46. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 59. South wind around 5 mph.
Sunday
Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 61. South wind 5 to 10 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 46. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Clear, with a low around 39.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Peru IN
 40.79°N 85.98°W (Elev. 751 ft)
Last Update:
6:30 am EDT Oct 4, 2025
Forecast Valid:
8am EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
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