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

31°F

-1°C

Humidity 80%
Wind Speed W 12 mph
Barometer 29.88 in (1013.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 6 Dec 8:55 am EST
Extended Forecast for

Onward IN

  • Today

    Today: Mostly cloudy, with a high near 32. West wind 5 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 4am. Cloudy, with a low around 24. Calm wind becoming southeast around 5 mph after midnight.

    Low: 24 °F

    Cloudy then
    Chance Snow

  • Sunday

    Sunday: Snow likely, possibly mixed with rain, becoming all snow after noon, then gradually ending. Mostly cloudy, with a high near 32. Southeast wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 6. North wind 5 to 10 mph.

    Low: 6 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 21. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 21 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 30. Breezy. Chance of precipitation is 60%.

    Low: 30 °F

    Slight Chance
    Rain then
    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Rain likely before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 60%.

    High: 36 °F

    Rain Likely
    and Breezy
    then
    Rain/Snow
    Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 32. West wind 5 to 10 mph.
Tonight
A 50 percent chance of snow, mainly after 4am. Cloudy, with a low around 24. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Snow likely, possibly mixed with rain, becoming all snow after noon, then gradually ending. Mostly cloudy, with a high near 32. Southeast wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Partly cloudy, with a low around 6. North wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 21. Northeast wind around 5 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 30. Breezy. Chance of precipitation is 60%.
Wednesday
Rain likely before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 26.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Friday
A slight chance of snow. Partly sunny and cold, with a high near 20.
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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:
7:30 am EST Dec 6, 2025
Forecast Valid:
9am EST Dec 6, 2025-6pm EST Dec 12, 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