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.

Fair

7°F

-14°C

Humidity 44%
Wind Speed N 15 mph
Barometer 30.58 in (1037.7 mb)
Dewpoint -10°F (-23°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 23 Jan 3:55 pm EST
Extended Forecast for

2 Miles ENE Onward IN

Winter Storm Watch January 24, 07:00pm until January 25, 07:00pm
Cold Weather Advisory January 23, 04:16pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory
  •  
    Cold Weather Advisory January 23, 04:16pm until January 24, 10:00am

    NOW until 10:00am Sat

    Cold Weather Advisory

  • This Afternoon

    High: 5 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, with a low around -2. Wind chill values as low as -15. Northwest wind 5 to 10 mph.

    Low: -2 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 4pm. Cloudy and cold, with a high near 10. Wind chill values as low as -10. East wind 5 to 10 mph.

    High: 10 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: Snow, mainly after 7pm. Low around 8. Wind chill values as low as -5. East wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 8 °F

    Snow

  • Sunday

    Sunday: Snow. High near 14. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 14 °F

    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 3.

    Low: 3 °F

    Chance Snow

  • Monday

    Monday: Partly sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny and cold, with a high near 5. Wind chill values as low as -15. Northwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around -2. Wind chill values as low as -15. Northwest wind 5 to 10 mph.
Saturday
A 30 percent chance of snow, mainly after 4pm. Cloudy and cold, with a high near 10. Wind chill values as low as -10. East wind 5 to 10 mph.
Saturday Night
Snow, mainly after 7pm. Low around 8. Wind chill values as low as -5. East wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow. High near 14. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
A 50 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 3.
Monday
Partly sunny and cold, with a high near 9.
Monday Night
Partly cloudy, with a low around -1.
Tuesday
Partly sunny and cold, with a high near 18.
Tuesday Night
Partly cloudy, with a low around 1.
Wednesday
A 20 percent chance of snow. Partly sunny and cold, with a high near 12.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 0.
Thursday
Partly sunny and cold, with a high near 13.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Onward IN
 40.72°N 86.16°W (Elev. 738 ft)
Last Update:
4:01 pm EST Jan 23, 2026
Forecast Valid:
4pm EST Jan 23, 2026-6pm EST Jan 29, 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