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.

Mostly Cloudy

21°F

-6°C

Humidity 77%
Wind Speed SE 3 mph
Barometer 30.37 in (1029.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 29 Nov 12:55 am EST
Extended Forecast for

2 Miles WSW Peru IN

Winter Storm Warning November 29, 07:00am until November 30, 10:00am
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow, mainly after 8am. The snow could be heavy at times. High near 34. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Snow Likely
    then Heavy
    Snow

  • Saturday Night

    Saturday Night: Snow before 1am, then snow, possibly mixed with rain. The snow could be heavy at times. Low around 26. Southeast wind 15 to 20 mph becoming southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 26 °F

    Heavy Snow
    then
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 7am, then a chance of snow. Mostly cloudy, with a high near 31. West wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Snow likely. Cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Snow Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. Calm wind.
Saturday
Snow, mainly after 8am. The snow could be heavy at times. High near 34. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow before 1am, then snow, possibly mixed with rain. The snow could be heavy at times. Low around 26. Southeast wind 15 to 20 mph becoming southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
A chance of rain and snow before 7am, then a chance of snow. Mostly cloudy, with a high near 31. West wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 14. West wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Snow likely. Cloudy, with a low around 20. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 25.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
A slight chance of snow. Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Peru IN
 40.76°N 86.1°W (Elev. 650 ft)
Last Update:
12:31 am EST Nov 29, 2025
Forecast Valid:
1am EST Nov 29, 2025-6pm EST Dec 5, 2025
 
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