Hazardous Weather Conditions
Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.
Fair
73°F
23°C
| Humidity | 88% |
| Wind Speed | SW 6 mph |
| Barometer | 29.99 in (1014.9 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 2 Sep 3:55 am EDT |
Extended Forecast for
Grissom Air Force Base / Peru IN
Heat Advisory September 2, 04:52am until September 2, 08:00pm
NOW until 8:00pm Wed

Heat Advisory
Today

High: 93 °F
Hot
Tonight

Low: 75 °F
Mostly Clear
Thursday
High: 93 °F
Sunny then
Slight Chance
T-stormsThursday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-stormsFriday

High: 89 °F
Chance
T-stormsFriday Night
Low: 70 °F
Partly Cloudy
then Chance
T-stormsSaturday

High: 85 °F
Chance
T-stormsSaturday Night
Low: 65 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Today
Sunny and hot, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 75. Southwest wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 93. Heat index values as high as 102. West wind 5 to 10 mph.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 89. South wind around 5 mph becoming northwest in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Saturday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 65.
Sunday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 62.
Labor Day
Mostly sunny, with a high near 82.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
A slight chance of showers. Partly sunny, with a high near 83.
Additional Forecasts and Information
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ABOUT 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)
4:16 am EDT Sep 2, 2026
4am EDT Sep 2, 2026-6pm EDT Sep 8, 2026



