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.

Overcast

40°F

4°C

Humidity 84%
Wind Speed E 8 mph
Barometer 30.02 in (1017.4 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Nov 7:55 am EST
Extended Forecast for

Galveston IN

  • Today

    Today: Showers likely, mainly before 11am. Cloudy, with a high near 45. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Showers
    Likely

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Cloudy, with a low around 37. Northeast wind around 5 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 49. East wind around 5 mph.

    High: 49 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 40. East wind around 5 mph becoming calm.

    Low: 40 °F

    Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Showers likely, mainly before 11am. Cloudy, with a high near 45. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 10 percent chance of showers before 7pm. Cloudy, with a low around 37. Northeast wind around 5 mph.
Wednesday
Cloudy, with a high near 49. East wind around 5 mph.
Wednesday Night
Cloudy, with a low around 40. East wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 52.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 31.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galveston IN
 40.59°N 86.2°W (Elev. 778 ft)
Last Update:
6:15 am EST Nov 18, 2025
Forecast Valid:
8am EST Nov 18, 2025-6pm EST Nov 24, 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