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

21°F

-6°C

Humidity 63%
Wind Speed SW 6 mph
Barometer 30.39 in (1030.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 7 Feb 11:55 am EST
Extended Forecast for

Mexico IN

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 22. Northwest wind around 5 mph.

    High: 22 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 13. West wind around 5 mph becoming calm.

    Low: 13 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 26. Southeast wind 5 to 10 mph.

    High: 26 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. Southeast wind around 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

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

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 37.

    High: 37 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 22. Northwest wind around 5 mph.
Tonight
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 13. West wind around 5 mph becoming calm.
Sunday
Mostly cloudy, with a high near 26. Southeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 17. Southeast wind around 5 mph.
Monday
Partly sunny, with a high near 34. South wind around 5 mph.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 31.
Wednesday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 37.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 36.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Friday
A slight chance of snow. Mostly cloudy, with a high near 37.
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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:
11:32 am EST Feb 7, 2026
Forecast Valid:
12pm EST Feb 7, 2026-6pm EST Feb 13, 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