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.

Partly Cloudy and Breezy

31°F

-1°C

Humidity 43%
Wind Speed W 21 mph
Barometer 30.16 in (1022.5 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 22 Jan 2:55 pm EST
Extended Forecast for

2 Miles SW 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

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 29. West wind around 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Partly Sunny

  • 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 25 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 5 to 10 mph becoming northeast after midnight.

    Low: -1 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after 1pm. Cloudy and cold, with a high near 10. 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. 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%.

    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

Detailed Forecast

This Afternoon
Partly sunny, with a high near 29. West wind around 15 mph, with gusts as high as 25 mph.
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 25 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 5 to 10 mph becoming northeast after midnight.
Saturday
A 40 percent chance of snow after 1pm. Cloudy and cold, with a high near 10. East wind 5 to 10 mph.
Saturday Night
Snow likely. Cloudy, with a low around 7. 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%.
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 slight chance of snow. Partly sunny and cold, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Peru IN
 40.73°N 86.1°W (Elev. 650 ft)
Last Update:
2:31 pm EST Jan 22, 2026
Forecast Valid:
3pm EST Jan 22, 2026-6pm EST Jan 28, 2026
 
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