Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65° N Lon: 86.15° W Elev: 810 ft.

Fair

68°F

20°C

Humidity 79%
Wind Speed E 6 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Aug 9:55 am EDT
Detailed forecast for

Miami County

Rest Of Today
Patchy fog early this morning. Mostly sunny. Highs in the lower 80s. Light and variable winds, becoming northeast around 5 mph this afternoon.
Tonight
Mostly clear. Lows in the upper 50s. East winds around 5 mph in the evening, becoming light and variable.
Saturday
Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. South winds around 5 mph.
Saturday Night
Partly cloudy. Lows in the mid 60s. Southeast winds around 5 mph.
Sunday
Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s. South winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.
Monday
Partly cloudy in the morning, then becoming mostly sunny. Highs in the upper 80s. Heat index values in the mid 90s in the afternoon.
Monday Night
Mostly clear. Lows in the lower 70s.
Tuesday
Mostly sunny. Hot with highs in the lower 90s. Heat index values in the upper 90s in the afternoon.
Tuesday Night
Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.
Wednesday
Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs around 90. Chance of rain 20 percent. Heat index values in the upper 90s in the afternoon.
Wednesday Night
Mostly clear with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30 percent.
Thursday
Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Highs in the upper 80s. Chance of rain 30 percent. Heat index values in the mid 90s in the afternoon.



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828 AM EDT Fri Aug 28 2026
 
 

Additional Resources

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