National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

A Few Clouds

54°F

12°C

Humidity 74%
Wind Speed S 10 mph
Barometer 29.83 in (1010.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 17 Feb 5:55 pm EST
Extended Forecast for

5 Miles ESE Young America IN

  • Tonight

    Tonight: Showers likely, mainly after 5am. Cloudy, with a low around 50. South wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Cloudy then
    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 67. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 67 °F

    Breezy.
    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 44. West southwest wind 6 to 9 mph becoming south southeast after midnight.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 63. South southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 39. South southeast wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 46. Breezy, with a west wind 18 to 23 mph, with gusts as high as 30 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. West wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42. West northwest wind 7 to 11 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 27. North northwest wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Showers likely, mainly after 5am. Cloudy, with a low around 50. South wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 67. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 33 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 44. West southwest wind 6 to 9 mph becoming south southeast after midnight.
Thursday
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 63. South southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 39. South southeast wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 46. Breezy, with a west wind 18 to 23 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 28. West wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 42. West northwest wind 7 to 11 mph.
Saturday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 27. North northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 33. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Young America IN
 40.52°N 86.27°W (Elev. 804 ft)
Last Update:
6:16 pm EST Feb 17, 2026
Forecast Valid:
6pm EST Feb 17, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation