Watching Potential Tsunami Impacts Across the Pacific Basin

A strong earthquake in the Pacific Basin has generated a tsunami wave. Tsunami Warnings and Advisories have been issued for Hawaii, portions of Alaska, Guam, American Samoa, and the West Coast of the U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in (1017.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Jul 6:55 am EDT
Extended Forecast for

Peru IN

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming east around 5 mph.

    High: 89 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am.  Low around 64. Northeast wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 8am, then showers and thunderstorms likely, mainly between 8am and 2pm.  High near 72. Northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Northeast wind around 10 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming east around 5 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 64. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm before 8am, then showers and thunderstorms likely, mainly between 8am and 2pm. High near 72. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 77. Northeast wind around 10 mph.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 60.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.76°N 86.07°W (Elev. 656 ft)
6:30 am EDT Jul 30, 2025
7am EDT Jul 30, 2025-6pm EDT Aug 5, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database