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 Snow

21°F

-6°C

Humidity 80%
Wind Speed NW 16 mph
Barometer 30.26 in (1026.1 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill7°F (-14°C)
Last update 23 Feb 4:55 am EST
Extended Forecast for

Onward IN

  • Overnight

    Overnight: A 40 percent chance of snow. Cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Chance Snow

  • Monday

    Monday: A 40 percent chance of snow between noon and 2pm. Mostly cloudy, with a high near 29. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 29 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. Northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 39. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 39 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. West wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A 50 percent chance of snow, mainly before 1pm. Partly sunny, with a high near 36.

    High: 36 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow. Cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 30 mph.
Monday
A 40 percent chance of snow between noon and 2pm. Mostly cloudy, with a high near 29. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 19. Northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 39. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 27. West wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 38.
Wednesday Night
A slight chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Thursday
A 50 percent chance of snow, mainly before 1pm. Partly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 32.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28.
Sunday
A chance of snow. Partly sunny, with a high near 42.
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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:
4:17 am EST Feb 23, 2026
Forecast Valid:
5am EST Feb 23, 2026-6pm EST Mar 1, 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