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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Amboy IN

  • Today

    Today: A 20 percent chance of showers. Cloudy, with a high near 69. South wind around 5 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 52. South wind around 5 mph.

    Low: 52 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 66. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. South wind around 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers. Cloudy, with a high near 69. South wind around 5 mph.
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 52. South wind around 5 mph.
Monday
A slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 66. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 56. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 75. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 66.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 63.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Amboy IN
 40.59°N 85.94°W (Elev. 797 ft)
Last Update:
8:00 am EST Nov 1, 2026
Forecast Valid:
10am EST Nov 1, 2026-6pm EST Nov 7, 2026
 
Forecast Discussion
 
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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