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.

Light Rain

38°F

3°C

Humidity 85%
Wind Speed N 20 G 30 mph
Barometer 29.85 in (1011.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 11 Mar 5:55 pm EDT
Extended Forecast for

2 Miles SW Somerset IN

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 28. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 38. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph after midnight. Winds could gust as high as 35 mph.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 52. Windy, with a west wind around 30 mph, with gusts as high as 45 mph.

    High: 52 °F

    Windy. Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 2am, then a chance of rain. Cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain, then rain likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 63. Breezy. Chance of precipitation is 70%.

    High: 63 °F

    Chance Rain
    then Rain
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow, mainly before 2am. Some thunder is also possible. Low around 24. Breezy. Chance of precipitation is 80%.

    Low: 24 °F

    Rain/Snow and
    Breezy

Detailed Forecast

Tonight
A 20 percent chance of showers before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 28. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 38. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph after midnight. Winds could gust as high as 35 mph.
Friday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 52. Windy, with a west wind around 30 mph, with gusts as high as 45 mph.
Friday Night
Partly cloudy, with a low around 28. West wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, with a high near 44.
Saturday Night
A slight chance of rain and snow before 2am, then a chance of rain. Cloudy, with a low around 37. Chance of precipitation is 30%.
Sunday
A chance of rain, then rain likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 63. Breezy. Chance of precipitation is 70%.
Sunday Night
Rain and snow, mainly before 2am. Some thunder is also possible. Low around 24. Breezy. Chance of precipitation is 80%.
Monday
A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm. Mostly cloudy, with a high near 30. Breezy. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 20.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 40.
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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:
2:30 pm EDT Mar 11, 2026
Forecast Valid:
6pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation