National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

25°F

-4°C

Humidity 78%
Wind Speed SW 15 mph
Barometer 30.23 in (1025.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 12 Jan 6:55 am EST
Extended Forecast for

3 Miles E Peru IN

  • Today

    Today: Mostly sunny, with a high near 41. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Southwest wind around 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 4pm. Cloudy, with a high near 47. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Cloudy then
    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 7pm and 1am. Cloudy, with a low around 35. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain and snow before 1pm, then snow likely. Cloudy, with a high near 38. Northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 1pm. Partly sunny, with a high near 25.

    High: 25 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 41. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 30. Southwest wind around 10 mph.
Tuesday
A 20 percent chance of rain after 4pm. Cloudy, with a high near 47. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of rain, mainly between 7pm and 1am. Cloudy, with a low around 35. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of rain and snow before 1pm, then snow likely. Cloudy, with a high near 38. Northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16.
Thursday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 25.
Thursday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 16.
Friday
A 50 percent chance of snow. Cloudy, with a high near 32.
Friday Night
A 50 percent chance of snow. Cloudy, with a low around 20.
Saturday
A 30 percent chance of snow. Cloudy, with a high near 27.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 7.
Sunday
Mostly cloudy and cold, with a high near 18.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Peru IN
 40.75°N 86.02°W (Elev. 650 ft)
Last Update:
6:45 am EST Jan 12, 2026
Forecast Valid:
7am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
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