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

28°F

-2°C

Humidity 54%
Wind Speed E 13 mph
Barometer 30.40 in (1030.6 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 2 Mar 5:55 am EST
Extended Forecast for

2 Miles SW Somerset IN

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 44. East wind around 10 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 32. East wind around 5 mph.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 10am. High near 48. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 41. Northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after 4pm. High near 58. East wind around 10 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Thursday

    Thursday: Rain. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Friday

    Friday: Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Rain Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 44. East wind around 10 mph.
Tonight
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 32. East wind around 5 mph.
Tuesday
Rain, mainly after 10am. High near 48. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 41. Northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain, with thunderstorms also possible after 4pm. High near 58. East wind around 10 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 62. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 50.
Friday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
A chance of rain, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 44.
Sunday
A slight chance of rain. Mostly sunny, with a high near 61.
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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:
6:15 am EST Mar 2, 2026
Forecast Valid:
6am EST Mar 2, 2026-6pm EDT Mar 8, 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