Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Mostly Cloudy

78°F

26°C

Humidity 63%
Wind Speed SE 5 mph
Barometer 30.11 in (1019.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 9:55 am EDT
Extended Forecast for

3 Miles NE Galveston IN

  • Today

    Today: Mostly sunny, with a high near 89. Southwest wind around 5 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. Calm wind becoming southeast around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Partly sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the morning.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 73. Southwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Partly sunny and hot, with a high near 92. West wind around 5 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 89. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 70. Calm wind becoming southeast around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the morning.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 92. West wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70.
Monday
Mostly sunny and hot, with a high near 91.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 91.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Galveston IN
 40.6°N 86.14°W (Elev. 774 ft)
10:00 am EDT Aug 15, 2025
10am EDT Aug 15, 2025-6pm EDT Aug 21, 2025
 
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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