Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

73°F

23°C

Humidity 88%
Wind Speed SW 6 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 2 Sep 3:55 am EDT
Extended Forecast for

Grissom Air Force Base / Peru IN

Heat Advisory September 2, 04:52am until September 2, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 04:52am until September 2, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 93 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southwest wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 3pm.  Sunny and hot, with a high near 93. Heat index values as high as 102. West wind 5 to 10 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 72. West wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly between 8am and 2pm.  Mostly sunny, with a high near 89. South wind around 5 mph becoming northwest in the morning.

    High: 89 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 75. Southwest wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 93. Heat index values as high as 102. West wind 5 to 10 mph.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 89. South wind around 5 mph becoming northwest in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Saturday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 65.
Sunday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 62.
Labor Day
Mostly sunny, with a high near 82.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
A slight chance of showers. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Grissom Air Force Base / Peru IN
 40.65°N 86.14°W (Elev. 804 ft)
4:16 am EDT Sep 2, 2026
4am EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
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Additional Resources

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