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.

Overcast

26°F

-3°C

Humidity 72%
Wind Speed NW 12 mph
Barometer 30.20 in (1024.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 4 Dec 4:55 am EST
Extended Forecast for

Grissom Air Force Base / Peru IN

  • Today

    Today: Partly sunny, with a high near 22. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 22 °F

    Partly Sunny

  • Tonight

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

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28. Southwest wind 5 to 10 mph.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. Southwest wind around 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 32. Southwest wind 5 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 20.

    Low: 20 °F

    Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 22. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tonight
Partly cloudy, with a low around 1. Wind chill values as low as -5. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly sunny, with a high near 28. Southwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 22. Southwest wind around 10 mph.
Saturday
Mostly cloudy, with a high near 32. Southwest wind 5 to 10 mph.
Saturday Night
Cloudy, with a low around 20.
Sunday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Mostly sunny, with a high near 22.
Monday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 11.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 33.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grissom Air Force Base / Peru IN
 40.65°N 86.14°W (Elev. 804 ft)
Last Update:
5:00 am EST Dec 4, 2025
Forecast Valid:
5am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation