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

13°F

-11°C

Humidity 69%
Wind Speed W 15 mph
Barometer 30.07 in (1019.9 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 18 Jan 5:55 am EST
Extended Forecast for

2 Miles SW Somerset IN

  • Today

    Today: A chance of flurries before 7am. Mostly cloudy, with a high near 21. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 21 °F

    Chance
    Flurries

  • Tonight

    Tonight: Snow likely, mainly between 10pm and 1am. Cloudy, with a low around 6. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 6 °F

    Snow Likely

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 11. Wind chill values as low as -15. West wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 11 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around 1. Wind chill values as low as -10. West wind around 10 mph.

    Low: 1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 20. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 20 °F

    Cold

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of snow showers. Mostly cloudy, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of flurries before 7am. Mostly cloudy, with a high near 21. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Snow likely, mainly between 10pm and 1am. Cloudy, with a low around 6. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
M.L.King Day
Partly sunny and cold, with a high near 11. Wind chill values as low as -15. West wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 1. Wind chill values as low as -10. West wind around 10 mph.
Tuesday
Mostly sunny and cold, with a high near 20. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 14.
Wednesday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 32.
Friday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 16.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 22.
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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:
4:15 am EST Jan 18, 2026
Forecast Valid:
6am EST Jan 18, 2026-6pm EST Jan 24, 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