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.

Light Rain and Windy

37°F

3°C

Humidity 66%
Wind Speed W 33 G 43 mph
Barometer 29.85 in (1011.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 26 Nov 11:55 am EST
Extended Forecast for

Onward IN

Wind Advisory until November 26, 07:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until November 26, 07:00pm

    NOW until 7:00pm Wed

    Wind Advisory

  • This Afternoon

    High: 37 °F

    Isolated Snow
    Showers and
    Windy

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 25 °F

    Cloudy and
    Breezy then
    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 33. West wind around 20 mph, with gusts as high as 30 mph.

    High: 33 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 31. West wind around 10 mph.

    High: 31 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after 1pm. Cloudy, with a high near 34. Chance of precipitation is 70%.

    High: 34 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow. Low around 28. Chance of precipitation is 90%.

    Low: 28 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Isolated snow showers. Cloudy, with a high near 37. Windy, with a west wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 25. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.
Thanksgiving Day
Partly sunny, with a high near 33. West wind around 20 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 31. West wind around 10 mph.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Snow likely, mainly after 1pm. Cloudy, with a high near 34. Chance of precipitation is 70%.
Saturday Night
Rain, possibly mixed with snow. Low around 28. Chance of precipitation is 90%.
Sunday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 25.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onward IN
 40.7°N 86.22°W (Elev. 751 ft)
Last Update:
12:16 pm EST Nov 26, 2025
Forecast Valid:
12pm EST Nov 26, 2025-6pm EST Dec 2, 2025
 
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