Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.
Overcast
24°F
-4°C
| Humidity | 72% |
| Wind Speed | N 15 G 22 mph |
| Barometer | 30.32 in (1028.2 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 11°F (-12°C) |
| Last update | 23 Feb 7:55 pm EST |
Extended Forecast for
Grissom Air Force Base / Peru IN
Tonight

Low: 18 °F
Mostly Cloudy
Tuesday
High: 39 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyTuesday Night
Low: 29 °F
Slight Chance
Rain/Snow
then Mostly
CloudyWednesday

High: 40 °F
Sunny
Wednesday Night
Low: 26 °F
Slight Chance
Rain/Snow
then Chance
SnowThursday

High: 40 °F
Chance Snow
Thursday Night

Low: 26 °F
Partly Cloudy
Friday

High: 51 °F
Sunny
Friday Night

Low: 34 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 18. Northwest wind 5 to 10 mph becoming southwest after midnight.
Tuesday
Mostly cloudy, with a high near 39. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
A slight chance of rain and snow before 9pm, then a slight chance of rain between 9pm and 10pm. Mostly cloudy, with a low around 29. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 40. West wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 26. West wind around 5 mph becoming east after midnight. Chance of precipitation is 50%.
Thursday
A 50 percent chance of snow before 1pm. Partly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 39.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 23.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 36.
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)
8:14 pm EST Feb 23, 2026
8pm EST Feb 23, 2026-6pm EST Mar 2, 2026


