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.

A Few Clouds

68°F

20°C

Humidity 58%
Wind Speed SW 9 mph
Barometer 29.67 in (1004.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 17 Jun 9:55 am EDT
Extended Forecast for

2 Miles NW Galveston IN

Flood Watch June 17, 02:00pm until June 18, 02:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Showers likely and possibly a thunderstorm, mainly after 2pm. Some of the storms could be severe. Mostly cloudy, with a high near 76. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am. Some of the storms could be severe and produce heavy rainfall. Low around 63. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 63 °F

    Severe
    Thunderstorms
    and Windy
    then Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 73. West wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West wind 5 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 74. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Showers likely and possibly a thunderstorm, mainly after 2pm. Some of the storms could be severe. Mostly cloudy, with a high near 76. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms, mainly before 1am. Some of the storms could be severe and produce heavy rainfall. Low around 63. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Partly sunny, with a high near 73. West wind 15 to 20 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 56. West wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 74. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 78.
Saturday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 60.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Monday Night
A 10 percent chance of showers. Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Galveston IN
 40.59°N 86.23°W (Elev. 781 ft)
Last Update:
9:02 am EDT Jun 17, 2026
Forecast Valid:
10am EDT Jun 17, 2026-6pm EDT Jun 23, 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