Hazardous Weather Conditions
Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.
Overcast
32°F
0°C
| Humidity | 74% |
| Wind Speed | NE 17 mph |
| Barometer | 30.14 in (1021.7 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 7 Dec 5:55 pm EST |
Extended Forecast for
Grissom Air Force Base / Peru IN
Tonight

Low: 7 °F
Mostly Cloudy
Monday

High: 26 °F
Partly Sunny
Monday Night

Low: 13 °F⇑
Mostly Cloudy
Tuesday

High: 39 °F
Mostly Cloudy
Tuesday Night
Low: 34 °F
Slight Chance
Rain then
Chance RainWednesday
High: 39 °F
Breezy.
Chance Rain
then Chance
Rain/SnowWednesday Night

Low: 21 °F
Mostly Cloudy
Thursday

High: 28 °F
Chance Snow
Thursday Night

Low: 13 °F
Chance Snow
Detailed Forecast
Tonight
Mostly cloudy, with a low around 7. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 26. Wind chill values as low as -5. Northeast wind around 5 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a temperature falling to near 13 by 8pm, then rising to around 24 during the remainder of the night. South wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 39. Southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
A 50 percent chance of rain, mainly after 1am. Cloudy, with a low around 34. Southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Wednesday
A chance of rain before 1pm, then a chance of rain and snow. Cloudy, with a high near 39. Breezy. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 28.
Thursday Night
A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 13.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 22.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 4.
Saturday
Partly sunny and cold, with a high near 12.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Partly sunny and cold, with a high near 15.
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)
6:01 pm EST Dec 7, 2025
6pm EST Dec 7, 2025-6pm EST Dec 14, 2025



