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.

Fair

54°F

12°C

Humidity 37%
Wind Speed S 12 mph
Barometer 30.07 in (1019.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 4 Nov 7:55 pm EST
Extended Forecast for

Walton IN

  • Tonight

    Tonight: Mostly clear, with a low around 50. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Northwest wind 5 to 10 mph becoming light west after midnight.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. High near 64. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 65. Southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 31. Northwest wind 5 to 10 mph becoming light west after midnight.
Thursday
Mostly sunny, with a high near 57. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. High near 64. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 56.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 44.
Sunday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 22.
Veterans Day
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walton IN
 40.65°N 86.26°W (Elev. 768 ft)
Last Update:
5:45 pm EST Nov 4, 2025
Forecast Valid:
8pm EST Nov 4, 2025-6pm EST Nov 11, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation