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Princeton, IL Weather
Current conditions
Observed at Marshall County Airport · 58 min ago
Forecast
10-day-
Thursday Night
Mostly clear, with a low around 48.
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Friday
Sunny, with a high near 73.
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Friday Night
Mostly clear, with a low around 49.
National Weather Service forecast updated 2 days ago.
Hourly
Hourly forecast- Now53°
- 2 AM52°
- 3 AM51°
- 4 AM50°
- 5 AM48°
- 6 AM48°
- 7 AM48°
- 8 AM51°
- 9 AM55°
- 10 AM59°
- 11 AM63°
- 12 PM67°
- 1 PM70°
- 2 PM72°
- 3 PM73°
- 4 PM73°
- 5 PM71°
- 6 PM68°
- 7 PM65°
- 8 PM62°
- 9 PM59°
- 10 PM57°
- 11 PM56°
- Sat12 AM55°
10-day forecast
Details- TonightOct 20Clear40°
- WedOct 21Sunny47°75°
- ThuOct 22Sunny48°74°
- TodayOct 23Sunny49°73°
- SatOct 24Mostly Sunny51°73°
- SunOct 25Partly Sunny51°75°
- MonOct 26Partly Sunny19%46°68°
- TueOct 27Slight Chance Rain Showers19%59°
- WedOct 28Sunny35°51°
- ThuOct 29Partly cloudy32°54°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news in Illinois
More weather news- Capitol Fax.com - Your Illinois News Radar » Good morning!
Thursday, Oct 22, 2026 - Posted by Isabel Miller DOMi & JD BECK, Herbie Hancock… - Barton - Thursday, Oct 22, 26 @ 8:53 am: Oh yeah, and you have to monitor comments between it all. Thank you for the lessons…
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Strong El Niño likely means a milder winter for northern Illinois, climatologist saysAfter a record tornado year, northern Illinois may get a break: forecasters favor a warmer-than-average winter as El Niño strengthens in the Pacific. El Niño refers to a warming of the Pacific Ocean’s surface that…
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Gorgeous weather continues for Central IllinoisWEDNESDAY: Warming up with sunny skies and calm conditions. High: 75 Low: 47 THURSDAY: Above average with sunny skies. High: 76 Low: 47 FRIDAY: Nice weather continues with sunny skies. High: 76 Low: 46 SATURDAY: Some…
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Another beautiful day ahead for Central IllinoisDECATUR, Ill. (WAND) – If you’re looking for a reason to get outside, Tuesday is your day. A high-pressure system settling over the Midwest is bringing abundant sunshine and calm winds to Central Illinois, with…
- Central Illinois Winter Weather Outlook
The winter weather outlook for central and southeast Illinois has been released, and a detailed summary is available at this link. Some of the highlights: Current Conditions Latest Observations Daily Climate Maps…
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One of the year’s most pleasant weather stretches arrives in Central IllinoisDECATUR, Ill. (WAND) – A beautiful stretch of sunshine and mild temperatures is settling into the region, and it’s the perfect time to get outside and enjoy it. High pressure is taking control of the Midwest, locking in…
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A great week ahead for Central IllinoisWAND DECATUR, Ill. (WAND) – A wonderful weekend across Central Illinois carries into the start of the workweek. Overnight lows dip back into the upper 30s tonight with a small risk for patchy frost, though coverage will…
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Sunshine, chilly mornings and a big warm-up ahead for central IllinoisCENTRAL ILLINOIS (25News Now) - Fall is making an appearance across central Illinois this weekend, but don’t get too comfortable with the chilly temperatures. After a cold start on Sunday morning, sunshine will help…
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Overnight Frost Advisory for parts of Illinois, NW IndianaCBS News Colorado 10pm Saturday CBS News Detroit Weekend 11pm CBS News Los Angeles Weekend 9pm CBS News Philadelphia Weekend 11pm KDKA News Weekend 11pm CBS News Texas Weekend 10pm
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Frost advisory back in effect for Central IllinoisWAND DECATUR, Ill. (WAND) – Another cool day starts the weekend across Central Illinois with highs Saturday only reaching the upper 50s under plenty of sunny skies. Strong high pressure remains in control keeping skies…
Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- FriModerate
- SatModerate
- SunModerate
Peoria, IL reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyHennepin, records since 2011. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Ottawa 52 km
- Dixon 52 km
- Sterling 51 km
- Streator 59 km
- Kewanee 41 km
- Peru 28 km
- La Salle 31 km
- Rock Falls 49 km
- Mendota 35 km
- Geneseo 58 km
- Chillicothe 50 km
- Spring Valley 23 km
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.