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

64°F

18°C

Humidity 74%
Wind Speed Calm
Barometer 30.12 in (1020.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Jun 8:55 am EDT
Extended Forecast for

5 Miles NE Peru IN

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 79. West wind 5 to 10 mph.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 75. East wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 8am. Partly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 79. West wind 5 to 10 mph.
Thursday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 75. East wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Saturday
A 10 percent chance of showers before 8am. Partly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Peru IN
 40.79°N 85.98°W (Elev. 751 ft)
Last Update:
8:46 am EDT Jun 24, 2026
Forecast Valid:
9am EDT Jun 24, 2026-6pm EDT Jun 30, 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