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

61°F

16°C

Humidity 54%
Wind Speed SW 10 mph
Barometer 29.71 in (1006.3 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 21 Mar 11:55 pm EDT
Extended Forecast for

2 Miles SW Somerset IN

  • Overnight

    Overnight: Mostly clear, with a low around 58. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 72. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 33. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. North wind around 10 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. North wind around 5 mph becoming calm after midnight.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 72. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 33. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 48. North wind around 10 mph.
Monday Night
Partly cloudy, with a low around 30. North wind around 5 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Thursday
A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 70.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 50.
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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:
12:30 am EDT Mar 22, 2026
Forecast Valid:
12am EDT Mar 22, 2026-6pm EDT Mar 28, 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