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

78°F

26°C

Humidity 44%
Wind Speed W 8 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 7 Oct 6:55 pm EDT
Extended Forecast for

2 Miles WNW Mexico IN

  • Tonight

    Tonight: Clear, with a low around 53. Northwest wind 5 to 10 mph.

    Low: 53 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 73. West wind 5 to 10 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. North wind around 5 mph becoming calm.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 53. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 73. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 50. North wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. South wind around 5 mph.
Saturday
Sunny, with a high near 82.
Saturday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 58. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. High near 71. Chance of precipitation is 80%.
Sunday Night
Mostly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 79.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 64.
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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:
6:45 pm EDT Oct 7, 2026
Forecast Valid:
7pm EDT Oct 7, 2026-6pm EDT Oct 14, 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