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

37°F

3°C

Humidity 85%
Wind Speed SE 3 mph
Barometer 30.16 in (1022.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 24 Nov 8:55 am EST
Extended Forecast for

2 Miles WNW Mexico IN

  • Today

    Today: Cloudy, with a high near 54. South wind 5 to 10 mph.

    High: 54 °F

    Cloudy

  • Tonight

    Tonight: Rain, mainly after 1am. Patchy fog after 1am. Low around 46. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance Rain
    then Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain, mainly before 1pm. Patchy fog before 10am. High near 56. Southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 90%.

    High: 56 °F

    Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after 7pm. Mostly cloudy, with a low around 36. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 40 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 54. South wind 5 to 10 mph.
Tonight
Rain, mainly after 1am. Patchy fog after 1am. Low around 46. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain, mainly before 1pm. Patchy fog before 10am. High near 56. Southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 90%.
Tuesday Night
A 40 percent chance of rain after 7pm. Mostly cloudy, with a low around 36. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 40. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Mostly cloudy, with a low around 25.
Thanksgiving Day
Mostly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 32.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 20.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Saturday Night
Rain and snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Mexico IN
 40.82°N 86.13°W (Elev. 679 ft)
Last Update:
9:46 am EST Nov 24, 2025
Forecast Valid:
10am EST Nov 24, 2025-6pm EST Nov 30, 2025
 
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