Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.
Overcast
33°F
1°C
| Humidity | 73% |
| Wind Speed | NE 8 mph |
| Barometer | 30.15 in (1021.9 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 3 Mar 4:55 am EST |
Extended Forecast for
Peru IN
Today

High: 46 °F
Chance Rain
Tonight

Low: 37 °F
Chance Rain
Wednesday

High: 52 °F
Rain Likely
Wednesday Night
Low: 47 °F
Rain Likely
then RainThursday

High: 63 °F
Rain
Thursday Night

Low: 49 °F
Chance Rain
Friday

High: 71 °F
Chance Rain
Friday Night
Low: 59 °F
Chance Rain
then Rain
LikelySaturday

High: 68 °F
Rain
Detailed Forecast
Today
A 50 percent chance of rain after 8am. Cloudy, with a high near 46. Calm wind becoming south around 5 mph.
Tonight
A 40 percent chance of rain. Mostly cloudy, with a low around 37. Calm wind becoming east around 5 mph.
Wednesday
A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 52. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain and possibly a thunderstorm. Low around 47. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Rain and possibly a thunderstorm before 1pm, then rain likely between 1pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 63. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Friday
A chance of rain, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Saturday
Rain, with thunderstorms also possible after 1pm. High near 68. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 65.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Peru IN
40.76°N 86.07°W (Elev. 656 ft)
40.76°N 86.07°W (Elev. 656 ft)
5:31 am EST Mar 3, 2026
5am EST Mar 3, 2026-6pm EDT Mar 9, 2026


