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.

Partly Cloudy

69°F

21°C

Humidity 45%
Wind Speed SW 8 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 47°F (8°C)
Visibility 8.00 mi
Last update 15 Jun 1:55 pm EDT
Extended Forecast for

Miami IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 71. West wind around 5 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 74 °F

    Sunny then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 55. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 65. Breezy. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    Heavy Rain
    and Breezy

  • Thursday

    Thursday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 73. Breezy.

    High: 73 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. West wind around 5 mph.
Tonight
Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 55. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 65. Breezy. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 73. Breezy.
Thursday Night
Partly cloudy, with a low around 55.
Juneteenth
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Miami IN
 40.62°N 85.97°W (Elev. 794 ft)
Last Update:
2:32 pm EDT Jun 15, 2026
Forecast Valid:
2pm EDT Jun 15, 2026-6pm EDT Jun 21, 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