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.

Mostly Cloudy

73°F

23°C

Humidity 79%
Wind Speed N 10 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 10 Sep 5:55 pm EDT
Extended Forecast for

5 Miles SE Peru IN

  • Tonight

    Tonight: Scattered showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 57 °F

    Scattered
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Southeast wind around 5 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 65. East wind around 5 mph.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 10%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 80. Southeast wind around 5 mph.
Friday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 65. East wind around 5 mph.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 10%.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 80.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Peru IN
 40.71°N 86.02°W (Elev. 781 ft)
Last Update:
4:31 pm EDT Sep 10, 2026
Forecast Valid:
6pm EDT Sep 10, 2026-6pm EDT Sep 17, 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