National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Overcast

34°F

1°C

Humidity 70%
Wind Speed W 18 mph
Barometer 29.82 in (1010.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 20 Feb 5:55 pm EST
Extended Forecast for

2 Miles WSW Peru IN

Wind Advisory February 20, 06:27pm until February 20, 07:00pm
Click here for hazard details and duration
...
  •  
    Wind Advisory February 20, 06:27pm until February 20, 07:00pm

    NOW until 7:00pm Fri

    Wind Advisory

  • Tonight

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39. West wind around 10 mph.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 26. West wind 5 to 10 mph.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 32. Northwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 32 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 24. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Likely

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. West wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 39. West wind around 10 mph.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 26. West wind 5 to 10 mph.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 32. Northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 24. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 31.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A 30 percent chance of rain, mainly after 1pm. Partly sunny, with a high near 49.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain and snow. Mostly clear, with a low around 26.
Friday
Sunny, with a high near 51.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Peru IN
 40.76°N 86.1°W (Elev. 650 ft)
Last Update:
6:01 pm EST Feb 20, 2026
Forecast Valid:
6pm EST Feb 20, 2026-6pm EST Feb 27, 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