Current conditions at

Grissom Air Force Base / Peru (KGUS)

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

Fair

83°F

28°C

Humidity 32%
Wind Speed SW 3 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 2 Oct 2:55 pm EDT
Detailed forecast for

Miami County

This Afternoon
Partly cloudy. Near steady temperature in the lower 80s. Southeast winds around 5 mph.
Tonight
Partly cloudy in the evening, then clearing. Lows in the mid 50s. Southeast winds around 5 mph.
Friday
Sunny. Highs in the mid 80s. Southwest winds around 5 mph.
Friday Night
Mostly clear. Lows around 60. Southwest winds around 5 mph.
Saturday
Mostly sunny. Highs in the upper 80s. South winds 5 to 10 mph.
Saturday Night
Clear. Lows in the upper 50s.
Sunday
Sunny. Highs in the mid 80s.
Sunday Night
Clear. Lows in the upper 50s.
Monday
Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
Monday Night
Mostly clear with a slight chance of showers in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent.
Tuesday
Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
Tuesday Night
Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 50s. Chance of rain 50 percent.
Wednesday
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the mid 60s. Chance of rain 20 percent.



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243 PM EDT Thu Oct 2 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database