National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

24°F

-4°C

Humidity 59%
Wind Speed NW 3 mph
Barometer 30.34 in (1029.0 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 7 Feb 5:55 pm EST
Extended Forecast for

2 Miles SW Somerset IN

  • Tonight

    Tonight: Snow likely, mainly between 1am and 4am. Mostly cloudy, with a low around 13. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 13 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before 8am. Mostly cloudy, with a high near 25. Southeast wind 5 to 10 mph.

    High: 25 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. Southeast wind 5 to 10 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 33. South wind around 5 mph.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. South wind 5 to 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly between 1am and 4am. Mostly cloudy, with a low around 13. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Sunday
A 30 percent chance of snow, mainly before 8am. Mostly cloudy, with a high near 25. Southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 15. Southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 33. South wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 27. South wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
A 20 percent chance of snow after 1pm. Cloudy, with a high near 33.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
Mostly cloudy, with a high near 32.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A slight chance of snow. Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Somerset IN
 40.68°N 85.91°W (Elev. 748 ft)
Last Update:
4:46 pm EST Feb 7, 2026
Forecast Valid:
6pm EST Feb 7, 2026-6pm EST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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