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

16°F

-9°C

Humidity 79%
Wind Speed Calm
Barometer 30.34 in (1029.0 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 7 Feb 9:55 pm EST
Extended Forecast for

Mexico IN

  • Tonight

    Tonight: Snow likely, mainly between 1am and 4am. Cloudy, with a low around 14. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 14 °F

    Cloudy then
    Snow Likely

  • Sunday

    Sunday: A 30 percent chance of snow before 8am. Mostly cloudy, with a high near 26. Southeast wind 5 to 10 mph.

    High: 26 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16. Southeast wind around 5 mph.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34. South wind around 5 mph.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. South wind around 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly between 1am and 4am. Cloudy, with a low around 14. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Sunday
A 30 percent chance of snow before 8am. Mostly cloudy, with a high near 26. Southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 16. Southeast wind around 5 mph.
Monday
Partly sunny, with a high near 34. South wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 28. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A 20 percent chance of snow after 1pm. Cloudy, with a high near 33.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
Mostly cloudy, with a high near 32.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A slight chance of snow. Partly sunny, with a high near 33.
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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:
10:18 pm EST Feb 7, 2026
Forecast Valid:
10pm EST Feb 7, 2026-6pm EST Feb 14, 2026
 
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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