Hazardous Weather Conditions
Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.
A Few Clouds
87°F
31°C
| Humidity | 63% |
| Wind Speed | W 6 mph |
| Barometer | 30.10 in (1018.7 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 94°F (34°C) |
| Last update | 2 Jul 12:55 pm EDT |
Extended Forecast for
Peru IN
Extreme Heat Warning July 2, 02:54pm until July 3, 08:00pm
NOW until 8:00pm Fri

Extreme Heat Warning
This Afternoon

High: 94 °F
Hot
Tonight

Low: 73 °F
Mostly Clear
Friday
High: 92 °F
Sunny then
Slight Chance
T-stormsFriday Night
Low: 71 °F
Showers
Likely then
Chance
T-stormsIndependence Day
High: 88 °F
Chance
Showers then
Showers
LikelySaturday Night

Low: 69 °F
Showers
LikelySunday

High: 86 °F
Showers
LikelySunday Night
Low: 65 °F
Showers
Likely then
Chance
T-storms
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 94. Heat index values as high as 106. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Friday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 92. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Friday Night
A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Independence Day
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Southwest wind around 5 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 20%.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Peru IN
40.75°N 86.04°W (Elev. 646 ft)
40.75°N 86.04°W (Elev. 646 ft)
2:32 pm EDT Jul 2, 2026
2pm EDT Jul 2, 2026-6pm EDT Jul 8, 2026



