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.

Overcast

49°F

9°C

Humidity 44%
Wind Speed S 16 mph
Barometer 29.69 in (1006.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 21 Mar 10:55 pm EDT
Extended Forecast for

Peru IN

  • Tonight

    Tonight: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 35. West wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 43. Northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Calm wind becoming southeast around 5 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain. High near 49. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain Likely
    then Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 8pm. Low around 36. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 36 °F

    Rain then
    Slight Chance
    Rain

  • Monday

    Monday: A 20 percent chance of rain after 2pm. Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 10 percent chance of rain before 8pm. Partly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain. Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 35. West wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 43. Northwest wind around 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 31. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Rain. High near 49. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 8pm. Low around 36. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday
A 20 percent chance of rain after 2pm. Mostly sunny, with a high near 49.
Monday Night
A 10 percent chance of rain before 8pm. Partly cloudy, with a low around 32.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 51.
Tuesday Night
A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 31.
Wednesday
A 20 percent chance of rain after 8am. Mostly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 56.
Thursday Night
A chance of rain. Partly cloudy, with a low around 41.
Friday
A chance of rain. Mostly sunny, with a high near 65.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.76°N 86.07°W (Elev. 656 ft)
Last Update:
9:31 pm EDT Mar 21, 2025
Forecast Valid:
11pm EDT Mar 21, 2025-6pm EDT Mar 28, 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