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.

Mostly Cloudy

46°F

8°C

Humidity 40%
Wind Speed W 7 mph
Barometer 30.06 in (1018.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 17 Nov 4:55 pm EST
Extended Forecast for

Mexico IN

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 36. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%.

    Low: 36 °F

    Cloudy then
    Rain

  • Tuesday

    Tuesday: Rain before 7am, then showers, mainly between 7am and noon. High near 46. East wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Northeast wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. East wind around 5 mph.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Tonight
Rain, mainly after 2am. Low around 36. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%.
Tuesday
Rain before 7am, then showers, mainly between 7am and noon. High near 46. East wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 37. Northeast wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 48. East wind around 5 mph.
Wednesday Night
Cloudy, with a low around 40. Calm wind.
Thursday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 57.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 53.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 35.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 36.
Monday
A slight chance of showers. Mostly sunny, with a high near 54.
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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:
4:15 pm EST Nov 17, 2025
Forecast Valid:
5pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
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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