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.

Mostly Cloudy

59°F

15°C

Humidity 86%
Wind Speed NE 5 mph
Barometer 30.31 in (1026.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 2 Aug 2:55 am EDT
Extended Forecast for

Peru IN

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. East wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. East wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. East wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Northeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 53. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 80. East wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 60. East wind around 5 mph.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 67.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.76°N 86.07°W (Elev. 656 ft)
Last Update:
2:14 am EDT Aug 2, 2025
Forecast Valid:
3am EDT Aug 2, 2025-6pm EDT Aug 8, 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