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Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Overcast

47°F

8°C

Humidity 67%
Wind Speed E 6 mph
Barometer 30.06 in (1018.7 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 24 Dec 9:55 pm EST
Extended Forecast for

Grissom Air Force Base / Peru IN

  • Tonight

    Tonight: Rain likely, mainly before midnight. Patchy fog after 1am. Otherwise, cloudy, with a low around 42. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely
    and Patchy
    Fog

  • Christmas Day

    Christmas Day: Patchy fog before 9am. Otherwise, cloudy, with a high near 48. North wind 5 to 10 mph becoming east in the afternoon.

    High: 48 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A 50 percent chance of rain after 1am. Cloudy, with a low around 38. East wind around 15 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Cloudy then
    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 54. Southeast wind 10 to 15 mph becoming west in the afternoon.

    High: 54 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of rain. Cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 40%.

    Low: 18 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Tonight
Rain likely, mainly before midnight. Patchy fog after 1am. Otherwise, cloudy, with a low around 42. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%.
Christmas Day
Patchy fog before 9am. Otherwise, cloudy, with a high near 48. North wind 5 to 10 mph becoming east in the afternoon.
Thursday Night
A 50 percent chance of rain after 1am. Cloudy, with a low around 38. East wind around 15 mph, with gusts as high as 20 mph.
Friday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 54. Southeast wind 10 to 15 mph becoming west in the afternoon.
Friday Night
Mostly cloudy, with a low around 39. Northwest wind 5 to 10 mph becoming light north after midnight.
Saturday
Mostly cloudy, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 55.
Sunday Night
A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 23. Breezy.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grissom Air Force Base / Peru IN
 40.65°N 86.14°W (Elev. 804 ft)
Last Update:
8:16 pm EST Dec 24, 2025
Forecast Valid:
10pm EST Dec 24, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation