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

47°F

8°C

Humidity 64%
Wind Speed Calm
Barometer 30.24 in (1024.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 6 Nov 9:55 am EST
Extended Forecast for

4 Miles NE Peru IN

  • Today

    Today: Mostly sunny, with a high near 59. South wind around 5 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers after 4am. Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly before noon. High near 65. West wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Showers then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. West wind 5 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 56. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 56 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 34. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Showers

  • Sunday

    Sunday: A chance of rain and snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    Showers

  • Monday

    Monday: A 20 percent chance of snow showers. Mostly sunny, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Today
Mostly sunny, with a high near 59. South wind around 5 mph.
Tonight
A 40 percent chance of showers after 4am. Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Showers, mainly before noon. High near 65. West wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly clear, with a low around 40. West wind 5 to 10 mph.
Saturday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 56. Light west wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Showers. Low around 34. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Sunday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 22.
Monday
A 20 percent chance of snow showers. Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 21.
Veterans Day
Partly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Peru IN
 40.8°N 86.01°W (Elev. 751 ft)
Last Update:
7:15 am EST Nov 6, 2025
Forecast Valid:
10am EST Nov 6, 2025-6pm EST Nov 12, 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