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

27°F

-3°C

Humidity 80%
Wind Speed W 10 mph
Barometer 30.03 in (1018.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 21 Feb 5:55 am EST
Extended Forecast for

Mexico IN

  • Today

    Today: Partly sunny, with a high near 36. West wind 5 to 10 mph.

    High: 36 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 25. West wind 5 to 10 mph.

    Low: 25 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 31. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Chance Snow

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 29. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 1pm. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 36. West wind 5 to 10 mph.
Tonight
A 40 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 25. West wind 5 to 10 mph.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 31. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. Northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 29. Northwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A 30 percent chance of rain, mainly after 1pm. Partly sunny, with a high near 48.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 28.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 25. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mexico IN
 40.82°N 86.13°W (Elev. 679 ft)
Last Update:
6:15 am EST Feb 21, 2026
Forecast Valid:
6am EST Feb 21, 2026-6pm EST Feb 27, 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