Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Overcast

52°F

11°C

Humidity 62%
Wind Speed N 10 mph
Barometer 29.77 in (1008.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 5 May 10:55 am EDT
Extended Forecast for

Peru IN

  • Today

    Today: A chance of showers and thunderstorms, then showers after 2pm.  High near 57. North wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Tonight

    Tonight: Showers, mainly before 1am.  Low around 43. Northeast wind around 5 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm.  Partly sunny, with a high near 57. North wind 5 to 10 mph.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 8pm.  Partly cloudy, with a low around 39. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Light northwest wind becoming west 5 to 10 mph in the morning.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm.  Partly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 48. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers after 2pm. High near 57. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers, mainly before 1am. Low around 43. Northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 57. North wind 5 to 10 mph.
Wednesday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 57. Light northwest wind becoming west 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 44.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 64.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 53.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Monday
A slight chance of showers. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.76°N 86.07°W (Elev. 656 ft)
11:02 am EDT May 5, 2026
11am EDT May 5, 2026-6pm EDT May 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database