Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Partly Cloudy

32°F

0°C

Humidity 84%
Wind Speed SW 8 mph
Barometer 29.98 in (1016.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 10 Jan 8:55 pm EST
Extended Forecast for

4 Miles S Roann IN

  • Tonight

    Tonight: Snow, mainly before 11pm.  Low around 22. West wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow then
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 3pm.  Cloudy, with a high near 33. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 33 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southwest wind around 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Southwest wind around 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 1pm.  Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 1am.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 1pm, then a chance of rain and snow.  Mostly cloudy, with a high near 36. Chance of precipitation is 40%.

    High: 36 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before 1am.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Snow, mainly before 11pm. Low around 22. West wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Sunday
A 20 percent chance of snow before 3pm. Cloudy, with a high near 33. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 24. Southwest wind around 10 mph.
Monday
Mostly sunny, with a high near 40. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 30. Southwest wind around 10 mph.
Tuesday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.
Tuesday Night
A 30 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 32.
Wednesday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21.
Saturday
A chance of snow. Mostly cloudy, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Roann IN
 40.86°N 85.92°W (Elev. 748 ft)
8:47 pm EST Jan 10, 2026
9pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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