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.

Overcast

22°F

-6°C

Humidity 68%
Wind Speed N 10 mph
Barometer 30.27 in (1026.4 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 4 Feb 2:55 am EST
Extended Forecast for

5 Miles WNW Somerset IN

  • Overnight

    Overnight: A chance of flurries. Cloudy, with a low around 10. Northeast wind around 5 mph.

    Low: 10 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: A chance of flurries before 9am. Partly sunny, with a high near 23. Northeast wind around 5 mph.

    High: 23 °F

    Chance
    Flurries

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 10. North wind around 5 mph becoming calm.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of snow after 1pm. Cloudy, with a high near 25. Southwest wind 5 to 10 mph.

    High: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 20. Southwest wind around 10 mph.

    Low: 20 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
A chance of flurries. Cloudy, with a low around 10. Northeast wind around 5 mph.
Wednesday
A chance of flurries before 9am. Partly sunny, with a high near 23. Northeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 10. North wind around 5 mph becoming calm.
Thursday
A 40 percent chance of snow after 1pm. Cloudy, with a high near 25. Southwest wind 5 to 10 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20. Southwest wind around 10 mph.
Friday
A 40 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 36.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 12.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Somerset IN
 40.73°N 85.96°W (Elev. 676 ft)
Last Update:
3:03 am EST Feb 4, 2026
Forecast Valid:
3am EST Feb 4, 2026-6pm EST Feb 10, 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