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

81°F

27°C

Humidity 55%
Wind Speed N 7 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 27 Aug 4:55 pm EDT
Extended Forecast for

3 Miles NNW Galveston IN

  • Tonight

    Tonight: Mostly clear, with a low around 56. North wind 5 to 10 mph becoming light in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Calm wind becoming south around 5 mph after midnight.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. North wind 5 to 10 mph becoming light in the evening.
Friday
Sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. Calm wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 65. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny and hot, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Galveston IN
 40.61°N 86.2°W (Elev. 751 ft)
Last Update:
5:30 pm EDT Aug 27, 2026
Forecast Valid:
6pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
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Additional Resources

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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