National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fog

48°F

9°C

Humidity 95%
Wind Speed SE 6 mph
Barometer 30.00 in (1016.6 mb)
Dewpoint 47°F (8°C)
Visibility 0.25 mi
Wind Chill45°F (7°C)
Last update 4 Mar 10:55 pm EST
Extended Forecast for

2 Miles W Somerset IN

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 4am. Patchy fog. Otherwise, cloudy, with a low around 45. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 4pm, then a chance of showers after 4pm. Patchy fog before 10am. High near 60. Southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 48. West wind around 5 mph becoming southeast in the evening.

    Low: 48 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 73. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers, mainly before 1pm. High near 67. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 4am. Patchy fog. Otherwise, cloudy, with a low around 45. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 4pm, then a chance of showers after 4pm. Patchy fog before 10am. High near 60. Southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48. West wind around 5 mph becoming southeast in the evening.
Friday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 73. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers, mainly before 1pm. High near 67. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 70.
Monday Night
A 30 percent chance of rain and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
Rain and thunderstorms likely. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Tuesday Night
Rain. Mostly cloudy, with a low around 48.
Wednesday
Rain likely. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Somerset IN
 40.7°N 85.9°W (Elev. 745 ft)
Last Update:
9:46 pm EST Mar 4, 2026
Forecast Valid:
11pm EST Mar 4, 2026-6pm EDT Mar 11, 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