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Princeton Weather Warning NWS WEATHER ALERT FOR THE PRINCETON, IL AREA - Issued: 334 AM CDT Sat Sep 26 2026 Princeton Weather Warning

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61356 Weather (Princeton, IL)

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Mostly Cloudy at Princeton (61356), temperature is 55°F13°C, dew point 48°F9°C, humidity 76%. Wind direction is N at 0 mphat 0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.19 in1022 mb. Last update: 5:08 am.*
*Time is approximately 5:08 am Sat, Sep 26, 2026. Time will be within 15 minutes of current local time. Princeton weather forecast data is updated every 15 minutes.

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To a man with a hole in his roof, every day looks like it might rain. ―John Phillips
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Princeton IL Weather - 6:08 am

Princeton Weather Forecast

Weather forecast for: Princeton IL
Last Update: 4:46 am CDT Sep 26, 2026
Today: Mostly sunny, with a high near 69. Southeast wind around 5 mph.
Tonight: Mostly cloudy, with a low around 53. East wind around 5 mph.
Sunday: Partly sunny, with a high near 71. Calm wind becoming east around 5 mph.
Sunday Night: Partly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm.
Monday: Sunny, with a high near 72.
Monday Night: Mostly clear, with a low around 55.
Tuesday: Partly sunny, with a high near 74.
Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday: Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Wednesday Night: Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Thursday: Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Friday: A 40 percent chance of showers. Partly sunny, with a high near 69.

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