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.

Fair

23°F

-5°C

Humidity 45%
Wind Speed NW 12 mph
Barometer 30.22 in (1024.8 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 22 Jan 8:55 pm EST
Extended Forecast for

Peru IN

Winter Storm Watch January 24, 07:00pm until January 25, 07:00pm
Cold Weather Advisory January 23, 04:00am until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 0. Wind chill values as low as -10. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 5. Wind chill values as low as -20. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 5 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -1. Wind chill values as low as -10. Northwest wind around 5 mph becoming calm in the evening.

    Low: -1 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -5. East wind 5 to 10 mph.

    High: 10 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow likely. Cloudy, with a low around 7. East wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 7 °F

    Snow Likely

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Cloudy and cold, with a high near 15. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 15 °F

    Snow Likely

  • Sunday Night

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

    Low: 1 °F

    Chance Snow

  • Monday

    Monday: Partly sunny and cold, with a high near 12.

    High: 12 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 0. Wind chill values as low as -10. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny and cold, with a high near 5. Wind chill values as low as -20. Northwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -1. Wind chill values as low as -10. Northwest wind around 5 mph becoming calm in the evening.
Saturday
A 40 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -5. East wind 5 to 10 mph.
Saturday Night
Snow likely. Cloudy, with a low around 7. East wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow likely, mainly before 1pm. Cloudy and cold, with a high near 15. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 1.
Monday
Partly sunny and cold, with a high near 12.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Partly sunny and cold, with a high near 20.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
A 20 percent chance of snow. Partly sunny and cold, with a high near 19.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 0.
Thursday
Mostly sunny and cold, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.78°N 86.04°W (Elev. 696 ft)
Last Update:
9:31 pm EST Jan 22, 2026
Forecast Valid:
9pm EST Jan 22, 2026-6pm EST Jan 29, 2026
 
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