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.

Mostly Cloudy

63°F

17°C

Humidity 67%
Wind Speed E 9 mph
Barometer 30.15 in (1021.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Oct 5:55 pm EDT
Extended Forecast for

4 Miles W Miami IN

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Northeast wind around 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69. East wind 5 to 10 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Southeast wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. South wind around 10 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 2am. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Northeast wind around 5 mph.
Thursday
Sunny, with a high near 69. East wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 45. Southeast wind around 5 mph.
Friday
Partly sunny, with a high near 72. South wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 55. South wind around 10 mph.
Saturday
A 50 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 52. Chance of precipitation is 90%.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 44.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 65.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Miami IN
 40.6°N 86.06°W (Elev. 820 ft)
Last Update:
5:15 pm EDT Oct 15, 2025
Forecast Valid:
6pm EDT Oct 15, 2025-6pm EDT Oct 22, 2025
 
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