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Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

71°F

22°C

Humidity 86%
Wind Speed SW 7 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 12 Aug 7:55 pm EDT
Extended Forecast for

3 Miles ESE Bunker Hill IN

Flood Watch August 12, 08:47pm until August 14, 11:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 12, 08:47pm until August 14, 11:00am

    NOW until 11:00am Fri

    Flood Watch

  • Tonight

    Low: 65 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph.

    High: 81 °F

    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 66. East wind around 5 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 2pm. Mostly cloudy, with a high near 82. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. East wind around 5 mph.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph.
Thursday Night
Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 66. East wind around 5 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 2pm. Mostly cloudy, with a high near 82. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A 50 percent chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. East wind around 5 mph.
Saturday
A 40 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 70.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Sunny, with a high near 80.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 62.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Bunker Hill IN
 40.64°N 86.05°W (Elev. 807 ft)
Last Update:
6:46 pm EDT Aug 12, 2026
Forecast Valid:
8pm EDT Aug 12, 2026-6pm EDT Aug 19, 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