Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.
Fog/Mist
68°F
20°C
| Humidity | 94% |
| Wind Speed | SW 3 mph |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 6.00 mi |
| Last update | 26 Jul 7:55 am EDT |
Extended Forecast for
4 Miles E Peru IN
Today
High: 87 °F
Partly Sunny
Tonight
Low: 70 °F
Partly Cloudy
then Slight
Chance
T-stormsMonday
High: 90 °F
Chance
Showers then
Severe
ThunderstormsMonday Night
Low: 71 °F
Severe
ThunderstormsTuesday
High: 84 °F
Mostly Sunny
Tuesday Night
Low: 61 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Detailed Forecast
Today
Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind around 5 mph.
Tonight
A slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Some of the storms could be severe. Partly sunny and hot, with a high near 90. Heat index values as high as 103. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
Showers likely and possibly a thunderstorm before 2am. Some of the storms could be severe. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 84. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 61.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles E Peru IN
40.75°N 85.99°W (Elev. 646 ft)
40.75°N 85.99°W (Elev. 646 ft)
9:30 am EDT Jul 26, 2026
10am EDT Jul 26, 2026-6pm EDT Aug 1, 2026
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