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

42°F

6°C

Humidity 64%
Wind Speed S 7 mph
Barometer 30.06 in (1018.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 14 Nov 6:55 am EST
Extended Forecast for

Mexico IN

  • Today

    Today: Mostly sunny, with a high near 66. South wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 69. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 45.

    High: 45 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 66. South wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 53. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 69. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 37. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 49.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 32.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 32.
Thursday
Showers likely. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mexico IN
 40.82°N 86.1°W (Elev. 699 ft)
Last Update:
6:45 am EST Nov 14, 2025
Forecast Valid:
7am EST Nov 14, 2025-6pm EST Nov 20, 2025
 
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Additional Resources

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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