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

42°F

6°C

Humidity 80%
Wind Speed NE 9 mph
Barometer 30.15 in (1021.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 9 Jan 10:55 pm EST
Extended Forecast for

Onward IN

  • Tonight

    Tonight: Cloudy, with a low around 34. Calm wind becoming east around 5 mph after midnight.

    Low: 34 °F

    Cloudy

  • Saturday

    Saturday: Showers likely, mainly between 11am and 4pm. Cloudy, with a high near 40. East wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 40 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers, mainly after 8pm. Mostly cloudy, with a low around 22. West wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A 20 percent chance of snow showers before 1pm. Partly sunny, with a high near 31. West wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Southwest wind around 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Cloudy, with a low around 34. Calm wind becoming east around 5 mph after midnight.
Saturday
Showers likely, mainly between 11am and 4pm. Cloudy, with a high near 40. East wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of snow showers, mainly after 8pm. Mostly cloudy, with a low around 22. West wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of snow showers before 1pm. Partly sunny, with a high near 31. West wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 23. Southwest wind around 10 mph.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 45.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 36.
Wednesday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 27.
Thursday Night
A slight chance of snow showers. Partly cloudy, with a low around 18.
Friday
A chance of snow showers. Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onward IN
 40.7°N 86.19°W (Elev. 761 ft)
Last Update:
9:02 pm EST Jan 9, 2026
Forecast Valid:
11pm EST Jan 9, 2026-6pm EST Jan 16, 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