National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Overcast

29°F

-2°C

Humidity 72%
Wind Speed SW 16 mph
Barometer 29.84 in (1011.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 5 Dec 10:55 pm EST
Extended Forecast for

Peru IN

  • Tonight

    Tonight: Cloudy, with a low around 22. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 31. West wind 5 to 10 mph.

    High: 31 °F

    Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 4am. Cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Cloudy then
    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 32. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 7. Northeast wind around 5 mph.

    Low: 7 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 20.

    High: 20 °F

    Cold

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 1am, then a chance of rain. Cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Cloudy, with a low around 22. Southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Cloudy, with a high near 31. West wind 5 to 10 mph.
Saturday Night
A 30 percent chance of snow after 4am. Cloudy, with a low around 25. Calm wind.
Sunday
Snow likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 32. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly cloudy, with a low around 7. Northeast wind around 5 mph.
Monday
Mostly sunny and cold, with a high near 20.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
A slight chance of rain and snow before 1am, then a chance of rain. Cloudy, with a low around 29. Chance of precipitation is 40%.
Wednesday
Rain likely, possibly mixed with snow, mainly before 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 29.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 13.
Friday
A slight chance of snow. Mostly cloudy, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.76°N 86.07°W (Elev. 656 ft)
Last Update:
9:31 pm EST Dec 5, 2025
Forecast Valid:
11pm EST Dec 5, 2025-6pm EST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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