Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

72°F

22°C

Humidity 70%
Wind Speed SW 10 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 12 Oct 10:55 am EDT
Extended Forecast for

Peru IN

  • Columbus Day

    Columbus Day: Sunny, with a high near 86. Southwest wind around 10 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm after 2am.  Partly cloudy, with a low around 66. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 66 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 78. North wind around 5 mph becoming east in the morning.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 59. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers.  Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers, mainly before 8am.  Partly sunny, with a high near 60. Breezy.

    High: 60 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Columbus Day
Sunny, with a high near 86. Southwest wind around 10 mph.
Tonight
Clear, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. High near 78. North wind around 5 mph becoming east in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 60. Breezy.
Friday Night
A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.76°N 86.07°W (Elev. 656 ft)
8:00 am EDT Oct 12, 2026
11am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
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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