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.

Fair

67°F

19°C

Humidity 82%
Wind Speed S 8 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 12 Jun 3:55 am EDT
Extended Forecast for

Peru IN

  • Today

    Today: Partly sunny, with a high near 87. Southwest wind around 5 mph.

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 78. East wind around 5 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 81. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 87. Southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming southeast after midnight.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 78. East wind around 5 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 81. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 83.
Monday Night
A chance of showers before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
Showers likely and possibly a thunderstorm. Partly 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:
3:45 am EDT Jun 12, 2025
Forecast Valid:
4am EDT Jun 12, 2025-6pm EDT Jun 18, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation