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

25°F

-4°C

Humidity 76%
Wind Speed Calm
Barometer 30.16 in (1022.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 3 Feb 9:55 am EST
Extended Forecast for

Mexico IN

  • Today

    Today: A slight chance of snow before 1pm, then a slight chance of snow showers after 4pm. Mostly cloudy, with a high near 28. Light northeast wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 28 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. North wind around 5 mph.

    Low: 5 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22. Calm wind becoming north around 5 mph in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 7 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 27. Southwest wind 5 to 10 mph.

    High: 27 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 35.

    High: 35 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of snow before 1pm, then a slight chance of snow showers after 4pm. Mostly cloudy, with a high near 28. Light northeast wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 5. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 22. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 7. Calm wind.
Thursday
Mostly cloudy, with a high near 27. Southwest wind 5 to 10 mph.
Thursday Night
A 30 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 20.
Friday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 35.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 11.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 25.
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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:
9:18 am EST Feb 3, 2026
Forecast Valid:
10am EST Feb 3, 2026-6pm EST Feb 9, 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