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.

A Few Clouds

59°F

15°C

Humidity 69%
Wind Speed SW 8 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 16 Jun 2:55 am EDT
Extended Forecast for

3 Miles SW Miami IN

  • Overnight

    Overnight: Mostly clear, with a low around 55. South wind around 10 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 75. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 75 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 54. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly cloudy, with a high near 75. Southeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Partly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 64. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    T-storms and
    Windy then
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 55. South wind around 10 mph.
Tuesday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 75. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 54. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly cloudy, with a high near 75. Southeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 64. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
A chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Thursday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 56.
Juneteenth
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 77.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Miami IN
 40.58°N 86°W (Elev. 830 ft)
Last Update:
3:17 am EDT Jun 16, 2026
Forecast Valid:
3am EDT Jun 16, 2026-6pm EDT Jun 22, 2026
 
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