Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

A Few Clouds

89°F

32°C

Humidity 59%
Wind Speed W 10 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 2 Sep 12:55 pm EDT
Extended Forecast for

4 Miles ENE Galveston IN

Heat Advisory September 2, 01:27pm until September 3, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 01:27pm until September 3, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southwest wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 2pm and 3pm.  Sunny and hot, with a high near 94. Heat index values as high as 103. Southwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm.

    Low: 72 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms before 2pm.  Mostly sunny and hot, with a high near 90. South wind around 5 mph becoming northwest in the morning.

    High: 90 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 94. Heat index values as high as 105. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 75. Southwest wind 5 to 10 mph.
Thursday
A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny and hot, with a high near 94. Heat index values as high as 103. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers and thunderstorms before 2pm. Mostly sunny and hot, with a high near 90. South wind around 5 mph becoming northwest in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 65.
Sunday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 61.
Labor Day
Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Tuesday
A slight chance of showers. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Galveston IN
 40.6°N 86.12°W (Elev. 804 ft)
12:01 pm EDT Sep 2, 2026
1pm EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
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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