Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

60°F

16°C

Humidity 82%
Wind Speed SW 5 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Apr 10:55 pm EDT
Extended Forecast for

Amboy IN

Dense Fog Advisory until April 17, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until April 17, 08:00am

    NOW until 8:00am Fri

    Dense Fog Advisory

  • Tonight

    Low: 52 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am.  Low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 11am, then showers likely.  High near 65. Northwest wind 15 to 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: A 10 percent chance of showers before 8pm.  Partly cloudy, with a low around 37. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm after midnight.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm before 11am, then showers likely. High near 65. Northwest wind 15 to 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 37. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Thursday
A slight chance of showers. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Amboy IN
 40.59°N 85.94°W (Elev. 797 ft)
10:45 pm EDT Apr 16, 2026
11pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
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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