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

33°F

1°C

Humidity 77%
Wind Speed SW 14 mph
Barometer 29.61 in (1003.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 25 Feb 8:55 am EST
Extended Forecast for

Mexico IN

  • Today

    Today: Sunny, with a high near 39. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Northwest wind around 5 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 42. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Calm wind becoming southwest around 5 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain and snow after 1pm. Mostly sunny, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow after 1pm. Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 39. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 23. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 42. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 29. Calm wind becoming southwest around 5 mph after midnight.
Friday
Sunny, with a high near 56. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 34.
Saturday
A slight chance of rain and snow after 1pm. Mostly sunny, with a high near 46. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 25.
Sunday
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 36.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 34.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 38.
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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:
6:31 am EST Feb 25, 2026
Forecast Valid:
9am EST Feb 25, 2026-6pm EST Mar 3, 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