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

23°F

-5°C

Humidity 73%
Wind Speed SW 8 mph
Barometer 30.20 in (1024.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 1 Feb 4:55 pm EST
Extended Forecast for

Mexico IN

  • Tonight

    Tonight: A 20 percent chance of snow after 3am. Increasing clouds, with a low around 10. South wind around 5 mph.

    Low: 10 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: A 30 percent chance of snow before 10am. Cloudy, with a high near 28. South wind around 10 mph becoming west in the afternoon.

    High: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. West wind around 5 mph becoming calm in the evening.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 28. Calm wind becoming north around 5 mph in the afternoon.

    High: 28 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 7. North wind around 5 mph becoming calm in the evening.

    Low: 7 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Tonight
A 20 percent chance of snow after 3am. Increasing clouds, with a low around 10. South wind around 5 mph.
Monday
A 30 percent chance of snow before 10am. Cloudy, with a high near 28. South wind around 10 mph becoming west in the afternoon.
Monday Night
Mostly cloudy, with a low around 16. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 28. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 7. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 7.
Thursday
Partly sunny, with a high near 27.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
A 30 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 33.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny and cold, with a high near 19.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 24.
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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:
6:02 pm EST Feb 1, 2026
Forecast Valid:
6pm EST Feb 1, 2026-6pm EST Feb 8, 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