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 Snow

24°F

-4°C

Humidity 83%
Wind Speed NW 14 mph
Barometer 30.25 in (1025.7 mb)
Dewpoint 20°F (-7°C)
Visibility 9.00 mi
Wind Chill12°F (-11°C)
Last update 22 Feb 6:56 pm EST
Extended Forecast for

Peru IN

  • Tonight

    Tonight: A 50 percent chance of snow. Cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Chance Snow

  • Monday

    Monday: A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 30. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 40. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 40 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain and snow likely, mainly after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

    Low: 27 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow, mainly before 1pm. Partly sunny, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow. Cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 30. Northwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 20. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Mostly cloudy, with a high near 40. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 29. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Rain and snow likely, mainly after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Thursday
A chance of rain and snow, mainly before 1pm. Partly sunny, with a high near 39. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 35.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 54.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 39.
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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:
5:46 pm EST Feb 22, 2026
Forecast Valid:
7pm EST Feb 22, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation