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Lyndon, IL Weather

Today: Cloudy then Chance Rain Showers, high 60°F, low 49°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Lyndon, IL current weather

48°F

Mostly Cloudy

Forecast for this hour. No recent report from a nearby station.

H 60° / L 49°

No recent station report. NWS hourly forecast updated 10/30/2026, 6:21 AM PT

Hourly forecast

NWS, updated 10/30/2026, 6:21 AM PT

  1. Now48°
  2. 10 AM50°11%
  3. 11 AM53°13%
  4. 12 PM55°16%
  5. 1 PM57°30%
  6. 2 PM59°33%
  7. 3 PM59°13%
  8. 4 PM58°
  9. 5 PM58°
  10. 6 PM57°
  11. 7 PM56°11%
  12. 8 PM54°21%
  13. 9 PM53°24%
  14. 10 PM53°25%
  15. 11 PM52°37%
  16. 12 AM52°37%Sat
  17. 1 AM52°59%
  18. 2 AM51°61%
  19. 3 AM51°65%
  20. 4 AM50°66%
  21. 5 AM50°67%
  22. 6 AM50°74%
  23. 7 AM50°66%
  24. 8 AM50°55%
  25. 9 AM53°33%
  26. 10 AM55°21%
  27. 11 AM57°16%
  28. 12 PM59°17%
  29. 1 PM61°23%
  30. 2 PM62°15%
  31. 3 PM62°
  32. 4 PM63°
  33. 5 PM63°
  34. 6 PM61°
  35. 7 PM58°
  36. 8 PM56°
  37. 9 PM55°
  38. 10 PM55°
  39. 11 PM54°
  40. 12 AM54°Sun
  41. 1 AM54°
  42. 1 AM53°
  43. 2 AM52°
  44. 3 AM52°
  45. 4 AM51°
  46. 5 AM51°
  47. 6 AM51°21%
  48. 7 AM53°21%

10-day forecast

Tap a day for details

  • Today10/3067% chance of precipitationLow 49°High 60°

    Today: A chance of rain showers between noon and 3pm. Cloudy. High near 60, with temperatures falling to around 58 in the afternoon. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Tonight: A chance of rain showers between 8pm and 1am, then showers and thunderstorms likely. Cloudy, with a low around 49. East wind 5 to 10 mph. Chance of precipitation is 70%.

    Cloudy then Chance Rain Showers
  • Sat10/3174% chance of precipitationLow 51°High 64°

    Saturday: Rain showers likely before 3pm. Cloudy, with a high near 64. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Saturday Night: Mostly cloudy, with a low around 51. Southeast wind around 5 mph.

    Rain Showers Likely
  • Sun11/123% chance of precipitationLow 53°High 68°

    Sunday: A slight chance of rain showers. Mostly cloudy, with a high near 68.

    Sunday Night: Mostly cloudy, with a low around 53.

    Slight Chance Rain Showers
  • Mon11/276% chance of precipitationLow 58°High 69°

    Monday: Rain showers likely. Cloudy, with a high near 69. Chance of precipitation is 60%.

    Monday Night: Rain showers. Cloudy, with a low around 58. Chance of precipitation is 80%.

    Rain Showers Likely
  • Tue11/373% chance of precipitationLow 52°High 71°

    Tuesday: Rain showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.

    Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Rain Showers Likely
  • Wed11/459% chance of precipitationLow 47°High 65°

    Wednesday: Rain showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.

    Rain Showers Likely
  • Thu11/527% chance of precipitationLow 41°High 63°

    Thursday: A chance of rain showers. Partly sunny, with a high near 63. Chance of precipitation is 30%.

    Thursday Night: Mostly cloudy, with a low around 41.

    Chance Rain Showers
  • Fri11/6Model blend17% chance of precipitationLow 40°High 61°

    Friday: Partly cloudy, slight chance of rain. High near 61°. Low that night near 40°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend11% chance of precipitationLow 41°High 61°

    Saturday: Partly cloudy. High near 61°. Low that night near 41°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend17% chance of precipitationLow 41°High 62°

    Sunday: Partly cloudy. High near 62°. Low that night near 41°. About 0.02 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 41.716, -89.927 from the NWS DVN office, updated 10/30/2026, 6:21 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KCWI (Clinton Muni, 22 mi), model run 10/30/2026, 3:00 AM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now48°Mostly Cloudy6%5 mph
  2. 10 AM50°Mostly Cloudy11%10 mph
  3. 11 AM53°Cloudy13%10 mph
  4. 12 PM55°Slight Chance Rain Showers16%10 mph
  5. 1 PM57°Chance Rain Showers30%5 mph
  6. 2 PM59°Chance Rain Showers33%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Lyndon, IL?
The National Weather Service forecast for today calls for a high near 60°F. Cloudy then Chance Rain Showers.
Will it rain in Lyndon, IL in the next 24 hours?
The hourly forecast shows a 59% chance of precipitation around 10/31/2026, 1:00 AM CDT.
What is the 10-day forecast for Lyndon, IL?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 61°F to 62°F. Model guidance this far out often changes.
What time is sunrise and sunset in Lyndon, IL today?
Sunrise is about 7:29 AM CDT and sunset is about 5:56 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Lyndon, IL?
At Morrison, the 1991 to 2020 normal high in October is 62°F and the normal low is 39°F.

Nearby hazards

Illinois hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:General thunderstormsOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Rock Island-Moline)
GoodPM2.5
AQI forecast tomorrow (Rock Island-Moline)
GoodPM2.5

UV index guide · Air quality

Drought

By county

Whiteside County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:29 AM
Sunset
5:56 PM
Daylight
10 hr 27 min
Moon
Waning Gibbous 79% lit
First light (civil dawn)
7:01 AM
Last light (civil dusk)
6:25 PM
Moonrise
9:33 PM
Moonset
12:48 PM

Normal October weather

Climate

Normal October high 62°, low 39°, precipitation 2.77 in for the month. 1991 to 2020 normals at Morrison, 6 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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