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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mexico IN

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a low around 54. Southeast wind around 5 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers. Cloudy, with a high near 64. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 10pm. Cloudy, with a low around 58. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 1am. Mostly cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers, mainly before 1pm. High near 70. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 54. Southeast wind around 5 mph.
Monday
A 20 percent chance of showers. Cloudy, with a high near 64. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers before 10pm. Cloudy, with a low around 58. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 75. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Showers likely after 1am. Mostly cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers, mainly before 1pm. High near 70. Chance of precipitation is 90%.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A slight chance of showers. Mostly sunny, with a high near 61.
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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:
12:15 am EST Nov 2, 2026
Forecast Valid:
12am EST Nov 2, 2026-6pm EST Nov 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