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

89°F

32°C

Humidity 29%
Wind Speed W 5 mph
Barometer 30.16 in (1021.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 3 Oct 2:55 pm EDT
Extended Forecast for

3 Miles WNW Galveston IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 88. Southwest wind around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Southwest wind around 5 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 60. South wind around 5 mph.
Saturday
Sunny, with a high near 88. Southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 59. South wind around 5 mph.
Sunday
Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 61.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Galveston IN
 40.61°N 86.26°W (Elev. 774 ft)
Last Update:
2:45 pm EDT Oct 3, 2025
Forecast Valid:
3pm EDT Oct 3, 2025-6pm EDT Oct 9, 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