National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Mostly Cloudy

69°F

21°C

Humidity 79%
Wind Speed SW 13 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 7:55 am EDT
Extended Forecast for

Galveston IN

  • Today

    Today: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 74. Southwest wind 15 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 55. West wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 55 °F

    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 52. Breezy.

    High: 52 °F

    Slight Chance
    Showers then
    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 74. Southwest wind 15 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 55. West wind 5 to 10 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 79. South wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 38.
Sunday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Mostly sunny, with a high near 71.
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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:
6:00 am EDT Apr 15, 2026
Forecast Valid:
8am EDT Apr 15, 2026-6pm EDT Apr 21, 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