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.

Light Unknown Precip

23°F

-5°C

Humidity 74%
Wind Speed W 17 mph
Barometer 30.23 in (1024.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 11 Jan 9:55 am EST
Extended Forecast for

Peru IN

  • Today

    Today: A 20 percent chance of snow before noon. Cloudy, with a high near 33. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 33 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Southwest wind 5 to 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 47. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: Snow likely, possibly mixed with rain, mainly after 1pm. Cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Thursday

    Thursday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of snow before noon. Cloudy, with a high near 33. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 25. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 30. Southwest wind 5 to 10 mph.
Tuesday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 47. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 33.
Wednesday
Snow likely, possibly mixed with rain, mainly after 1pm. Cloudy, with a high near 38. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 27.
Thursday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 20.
Friday
A 40 percent chance of snow. Cloudy, with a high near 33.
Friday Night
A 30 percent chance of snow. Cloudy, with a low around 18.
Saturday
A slight chance of snow. Cloudy, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.76°N 86.07°W (Elev. 656 ft)
Last Update:
10:31 am EST Jan 11, 2026
Forecast Valid:
10am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation