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.

Fair

47°F

8°C

Humidity 85%
Wind Speed S 3 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 43°F (6°C)
Visibility 9.00 mi
Last update 8 Oct 7:55 am EDT
Extended Forecast for

3 Miles SW Miami IN

  • Today

    Today: Sunny, with a high near 73. Northwest wind 5 to 10 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78. Southeast wind around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. South wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82. South wind around 10 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 78. Southeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 57. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 82. South wind around 10 mph.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 79.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 65.
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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:
6:45 am EDT Oct 8, 2026
Forecast Valid:
8am EDT Oct 8, 2026-6pm EDT Oct 14, 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