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.

Overcast

16°F

-9°C

Humidity 68%
Wind Speed N 14 mph
Barometer 30.31 in (1028.5 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 31 Jan 12:55 pm EST
Extended Forecast for

Onward IN

  • This Afternoon

    This Afternoon: Mostly cloudy and cold, with a high near 16. North wind around 10 mph.

    High: 16 °F

    Cold

  • Tonight

    Tonight: Partly cloudy, with a low around -1. Wind chill values as low as -10. North wind around 5 mph becoming west after midnight.

    Low: -1 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 23. Wind chill values as low as -10. Southwest wind around 5 mph.

    High: 23 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 12. South wind around 5 mph.

    Low: 12 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Monday

    Monday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 28. South wind around 10 mph.

    High: 28 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow. Mostly cloudy, with a high near 27.

    High: 27 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy and cold, with a high near 16. North wind around 10 mph.
Tonight
Partly cloudy, with a low around -1. Wind chill values as low as -10. North wind around 5 mph becoming west after midnight.
Sunday
Mostly sunny, with a high near 23. Wind chill values as low as -10. Southwest wind around 5 mph.
Sunday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 12. South wind around 5 mph.
Monday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 28. South wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 9.
Wednesday
Partly sunny, with a high near 22.
Wednesday Night
Partly cloudy, with a low around 4.
Thursday
Partly sunny, with a high near 23.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Friday
A chance of snow. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onward IN
 40.7°N 86.19°W (Elev. 761 ft)
Last Update:
1:32 pm EST Jan 31, 2026
Forecast Valid:
1pm EST Jan 31, 2026-6pm EST Feb 6, 2026
 
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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