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.

Partly Cloudy

55°F

13°C

Humidity 53%
Wind Speed W 12 mph
Barometer 29.93 in (1014.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 30 Apr 9:55 pm EDT
Extended Forecast for

2 Miles SW Somerset IN

  • Tonight

    Tonight: Showers, mainly after midnight. Low around 41. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers likely before 11am, then a slight chance of showers after noon. Mostly cloudy, with a high near 53. North wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 53 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 32. Northwest wind 5 to 10 mph.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 53. Northwest wind 5 to 10 mph.

    High: 53 °F

    Frost then
    Partly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Breezy. Chance of precipitation is 30%.

    High: 72 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers, mainly after midnight. Low around 41. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely before 11am, then a slight chance of showers after noon. Mostly cloudy, with a high near 53. North wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 32. Northwest wind 5 to 10 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 53. Northwest wind 5 to 10 mph.
Saturday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers after 2pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 63.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 49.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Breezy. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 62.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
Thursday
A slight chance of showers. Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
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:
9:15 pm EDT Apr 30, 2026
Forecast Valid:
10pm EDT Apr 30, 2026-6pm EDT May 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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