National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Overcast

40°F

4°C

Humidity 93%
Wind Speed W 12 mph
Barometer 29.79 in (1009.4 mb)
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Wind Chill33°F (1°C)
Last update 7 Jan 2:55 am EST
Extended Forecast for

Mexico IN

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 37. West wind around 10 mph.

    Low: 37 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 47. Southwest wind 5 to 10 mph.

    High: 47 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. South wind around 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 59. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 59 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 51. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain

  • Friday

    Friday: A 40 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 37. West wind around 10 mph.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 47. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 36. South wind around 5 mph.
Thursday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 59. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 51. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 40 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 58.
Friday Night
A 40 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 39.
Saturday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 40.
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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:
3:01 am EST Jan 7, 2026
Forecast Valid:
3am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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