Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

40°F

4°C

Humidity 76%
Wind Speed S 9 mph
Barometer 29.93 in (1014.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 8 Jan 4:55 am EST
Extended Forecast for

Amboy IN

  • Today

    Today: A 30 percent chance of rain, mainly after 4pm.  Mostly cloudy, with a high near 57. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 57 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 4am, then rain likely.  Temperature rising to around 61 by 4am. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain and
    Breezy

  • Friday

    Friday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a temperature falling to around 46 by 5pm. Southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 59 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain after 1am.  Mostly cloudy, with a low around 37. North wind 5 to 10 mph becoming east after midnight.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely before 4pm, then a chance of rain and snow.  Mostly cloudy, with a high near 43. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of snow.  Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow.  Mostly cloudy, with a high near 29. Breezy.

    High: 29 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 57. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Rain and possibly a thunderstorm before 4am, then rain likely. Temperature rising to around 61 by 4am. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a temperature falling to around 46 by 5pm. Southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Friday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. North wind 5 to 10 mph becoming east after midnight.
Saturday
Rain likely before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 43. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 29. Breezy.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
A 20 percent chance of rain. Cloudy, with a low around 32.
Wednesday
A chance of rain. Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Amboy IN
 40.59°N 85.94°W (Elev. 797 ft)
5:16 am EST Jan 8, 2026
6am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database