Current conditions at

Grissom Air Force Base / Peru (KGUS)

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

Fair

76°F

24°C

Humidity 67%
Wind Speed NW 5 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 27 Aug 11:55 am EDT
Detailed forecast for

Miami County

Rest Of Today
Mostly sunny. Highs around 80. Northwest winds 5 to 10 mph.
Tonight
Mostly clear. Lows in the upper 50s. North winds around 5 mph in the evening, becoming light and variable.
Friday
Mostly sunny. Highs around 80. North winds around 5 mph.
Friday Night
Clear. Lows in the upper 50s. North winds around 5 mph in the evening, becoming light and variable.
Saturday
Mostly sunny. Highs in the lower 80s. Light and variable winds, becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy. Lows in the mid 60s.
Sunday
Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.
Monday
Partly cloudy. Highs in the upper 80s.
Monday Night
Mostly clear. A slight chance of showers after midnight. Lows in the lower 70s. Chance of rain 20 percent.
Tuesday
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. Heat index values in the mid 90s in the afternoon.
Tuesday 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.
Wednesday
Mostly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 80s. Chance of rain 30 percent.



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1028 AM EDT Thu Aug 27 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database