Current conditions at

Grissom Air Force Base / Peru (KGUS)

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

Partly Cloudy

82°F

28°C

Humidity 68%
Wind Speed N 7 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 9 Sep 4:55 pm EDT
Detailed forecast for

Miami County

This Afternoon
Partly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. West winds around 10 mph. Chance of rain 30 percent.
Tonight
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Humid with lows in the upper 60s. West winds 5 to 10 mph. Chance of rain 20 percent.
Thursday
Cloudy with a 20 percent chance of showers. Highs in the upper 70s. Northwest winds around 5 mph.
Thursday Night
Partly cloudy in the evening, then clearing. Lows in the mid 50s. North winds around 5 mph.
Friday
Mostly sunny. Highs in the upper 70s. East winds around 5 mph.
Friday Night
Mostly clear. Lows in the lower 60s.
Saturday
Partly cloudy in the morning, then mostly sunny with a slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
Saturday Night
Mostly clear with a 20 percent chance of showers. Lows in the mid 60s.
Sunday
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
Monday
Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
Monday Night
Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
Tuesday
Mostly sunny in the morning, then becoming partly cloudy. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.



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459 PM EDT Wed Sep 9 2026
 
 

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