Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Overcast

71°F

22°C

Humidity 90%
Wind Speed NE 15 mph
Barometer 29.66 in (1004.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 1 Aug 10:55 pm EDT
Extended Forecast for

Walton IN

Flood Watch August 1, 11:42pm until August 2, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 1, 11:42pm until August 2, 05:00pm

    NOW until 5:00pm Sun

    Flood Watch

  • Tonight

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of thunderstorms before 8pm.  Mostly cloudy, with a low around 62. North wind 5 to 10 mph.  Chance of precipitation is 10%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79. Northeast wind 5 to 10 mph.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Northeast wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 81.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 66. Northeast wind around 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.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A slight chance of thunderstorms before 8pm. Mostly cloudy, with a low around 62. North wind 5 to 10 mph. Chance of precipitation is 10%.
Monday
Partly sunny, with a high near 79. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 60. Northeast wind around 5 mph.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 81.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 80.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Walton IN
 40.65°N 86.26°W (Elev. 768 ft)
10:47 pm EDT Aug 1, 2026
11pm EDT Aug 1, 2026-6pm EDT Aug 8, 2026
 
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