Current conditions at

Grissom Air Force Base / Peru (KGUS)

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

Fair

66°F

19°C

Humidity 93%
Wind Speed NE 7 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 12 Jul 2:55 am EDT
Detailed forecast for

Miami County

Rest Of Tonight
Partly cloudy. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph.
Sunday
Mostly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph.
Sunday Night
Clear. Lows in the lower 60s. Northeast winds 5 to 10 mph.
Monday
Sunny. Highs in the upper 80s. Northeast winds around 5 mph.
Monday Night
Clear. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
Tuesday
Sunny, hot with highs in the lower 90s. Heat index values in the upper 90s in the afternoon.
Tuesday Night
Clear. Lows in the upper 60s.
Wednesday
Sunny, hot with highs in the lower 90s. Heat index values up to 100.
Wednesday Night
Clear. Lows in the upper 60s.
Thursday
Mostly sunny. Highs in the upper 80s.
Thursday Night
Mostly clear. Lows in the upper 60s.
Friday
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
Friday Night
Mostly clear with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent.
Saturday
Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.



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228 AM EDT Sun Jul 12 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database