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 Fog/Mist

62°F

17°C

Humidity 90%
Wind Speed SW 16 mph
Barometer 29.57 in (1001.5 mb)
Dewpoint 58°F (14°C)
Visibility 4.00 mi
Last update 9 Jan 1:55 am EST
Extended Forecast for

Peru IN

Wind Advisory January 9, 06:00am until January 9, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then a chance of showers. Steady temperature around 61. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a temperature falling to around 45 by 5pm. Breezy, with a west wind 20 to 25 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 59 °F⇓

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. North wind around 5 mph becoming east after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 42. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 42 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 21 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Sunday

    Sunday: A 30 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30.

    High: 30 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Monday Night

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

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers. Steady temperature around 61. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a temperature falling to around 45 by 5pm. Breezy, with a west wind 20 to 25 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 45 mph.
Friday Night
Mostly cloudy, with a low around 34. North wind around 5 mph becoming east after midnight.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 42. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday
A 30 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 30.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
A 40 percent chance of rain. Cloudy, with a low around 32.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 36.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IN
 40.76°N 86.07°W (Elev. 656 ft)
Last Update:
1:46 am EST Jan 9, 2026
Forecast Valid:
2am EST Jan 9, 2026-6pm EST Jan 15, 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