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.

Overcast

39°F

4°C

Humidity 78%
Wind Speed NE 14 mph
Barometer 30.24 in (1024.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 27 Mar 9:55 am EDT
Extended Forecast for

Mexico IN

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 44. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 5 to 10 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46. North wind around 5 mph becoming southwest in the afternoon.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. South wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 44. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 27. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 46. North wind around 5 mph becoming southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 36. South wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 58. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 71.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 62.
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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:
10:30 am EDT Mar 27, 2026
Forecast Valid:
10am EDT Mar 27, 2026-6pm EDT Apr 2, 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