Hazardous Weather Conditions
Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.
Overcast
31°F
-1°C
| Humidity | 76% |
| Wind Speed | W 12 mph |
| Barometer | 29.83 in (1011.2 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 6 Dec 6:55 am EST |
Extended Forecast for
Grissom Air Force Base / Peru IN
Today
High: 30 °F
Mostly Cloudy
Tonight
Low: 24 °F
Cloudy then
Chance SnowSunday
High: 33 °F
Wintry Mix
LikelySunday Night
Low: 9 °F
Partly Cloudy
Monday
High: 22 °F
Mostly Sunny
Monday Night
Low: 10 °F
Mostly Cloudy
Tuesday
High: 37 °F
Partly Sunny
Tuesday Night
Low: 30 °F
Slight Chance
Rain then
Rain LikelyWednesday
High: 37 °F
Rain Likely
and Breezy
Detailed Forecast
Today
Mostly cloudy, with a high near 30. West wind 5 to 10 mph.
Tonight
A 50 percent chance of snow after 4am. Cloudy, with a low around 24. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Snow likely, possibly mixed with freezing rain before 11am, then snow likely, possibly mixed with rain between 11am and 1pm. Mostly cloudy, with a high near 33. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Sunday Night
Partly cloudy, with a low around 9. North wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 22. Northeast wind around 5 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 30. Chance of precipitation is 60%.
Wednesday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 28.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14.
Friday
A slight chance of snow. Partly sunny, with a high near 23.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grissom Air Force Base / Peru IN
40.65°N 86.14°W (Elev. 804 ft)
40.65°N 86.14°W (Elev. 804 ft)
7:00 am EST Dec 6, 2025
7am EST Dec 6, 2025-6pm EST Dec 12, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
