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 Fog/Mist

28°F

-2°C

Humidity 85%
Wind Speed Calm
Barometer 30.19 in (1023.9 mb)
Dewpoint 24°F (-4°C)
Visibility 1.00 mi
Last update 1 Dec 4:55 pm EST
Extended Forecast for

Grissom Air Force Base / Peru IN

Winter Weather Advisory until December 2, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 2, 07:00am

    NOW until 7:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 30 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly before 4am. Low around 21. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 28. Northwest wind 5 to 10 mph.

    High: 28 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. Southwest wind 5 to 10 mph.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 20.

    High: 20 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Cloudy, with a high near 30. East wind around 5 mph.
Tonight
Snow, mainly before 4am. Low around 21. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday
Mostly cloudy, with a high near 28. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 15. Southwest wind 5 to 10 mph.
Wednesday
Mostly cloudy, with a high near 33. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 13.
Thursday
Mostly sunny and cold, with a high near 20.
Thursday Night
Partly cloudy, with a low around 2.
Friday
Mostly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Sunday
Mostly cloudy, with a high near 28.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 11.
Monday
Partly sunny, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grissom Air Force Base / Peru IN
 40.65°N 86.14°W (Elev. 804 ft)
Last Update:
4:15 pm EST Dec 1, 2025
Forecast Valid:
5pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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