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Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

71°F

22°C

Humidity 58%
Wind Speed S 6 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 4 Jun 10:55 pm EDT
Extended Forecast for

Grissom Air Force Base / Peru IN

  • Overnight

    Overnight: Partly cloudy, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85. Southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 85. West wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. South wind around 5 mph.
Friday
Sunny, with a high near 85. Southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind around 15 mph, with gusts as high as 25 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 85. West wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 67.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 86.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 67.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Grissom Air Force Base / Peru IN
 40.65°N 86.14°W (Elev. 804 ft)
Last Update:
9:48 pm EDT Jun 4, 2026
Forecast Valid:
12am EDT Jun 5, 2026-6pm EDT Jun 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation