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Gilson, IL 61436 Weather

Tonight: Mostly Clear, low 45°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Gilson, IL 61436 current weather

59°F

Clear

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

H -- / L 45°

No recent station report. NWS hourly forecast updated 10/29/2026, 2:26 PM PT

Hourly forecast

NWS, updated 10/29/2026, 2:26 PM PT

  1. Now59°
  2. 8 PM56°
  3. 9 PM53°
  4. 10 PM52°
  5. 11 PM50°
  6. 12 AM49°Fri
  7. 1 AM48°
  8. 2 AM47°
  9. 3 AM46°
  10. 4 AM46°
  11. 5 AM45°
  12. 6 AM45°
  13. 7 AM45°13%
  14. 8 AM46°18%
  15. 9 AM49°24%
  16. 10 AM54°31%
  17. 11 AM56°37%
  18. 12 PM58°36%
  19. 1 PM60°43%
  20. 2 PM61°43%
  21. 3 PM62°41%
  22. 4 PM63°48%
  23. 5 PM61°48%
  24. 6 PM60°48%
  25. 7 PM59°35%
  26. 8 PM57°23%
  27. 9 PM56°
  28. 10 PM55°18%
  29. 11 PM55°27%
  30. 12 AM54°36%Sat
  31. 1 AM54°46%
  32. 2 AM54°49%
  33. 3 AM53°47%
  34. 4 AM53°46%
  35. 5 AM52°44%
  36. 6 AM52°43%
  37. 7 AM51°55%
  38. 8 AM51°55%
  39. 9 AM54°55%
  40. 10 AM57°55%
  41. 11 AM59°55%
  42. 12 PM61°55%
  43. 1 PM63°11%
  44. 2 PM65°11%
  45. 3 PM66°11%
  46. 4 PM66°11%
  47. 5 PM65°11%
  48. 6 PM64°11%

10-day forecast

Tap a day for details

  • Today10/29Low 45°High

    Tonight: Mostly clear, with a low around 45. Northeast wind around 6 mph.

    Mostly Clear
  • Fri10/3049% chance of precipitationLow 51°High 64°

    Friday: A chance of rain showers after 8am. Mostly cloudy, with a high near 64. East wind around 8 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Friday Night: A chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms. Cloudy, with a low around 51. East wind 5 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

    Chance Rain Showers
  • Sat10/3155% chance of precipitationLow 50°High 67°

    Saturday: Rain showers likely before 1pm. Cloudy, with a high near 67. East southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    Saturday Night: Mostly cloudy, with a low around 50. East southeast wind around 5 mph.

    Rain Showers Likely
  • Sun11/125% chance of precipitationLow 54°High 70°

    Sunday: A chance of rain showers. Partly sunny, with a high near 70. East southeast wind 2 to 6 mph. Chance of precipitation is 30%.

    Sunday Night: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 54. Southeast wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.

    Chance Rain Showers
  • Mon11/268% chance of precipitationLow 59°High 69°

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

    Monday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Rain Showers Likely
  • Tue11/377% chance of precipitationLow 56°High 72°

    Tuesday: Rain showers. Mostly cloudy, with a high near 72.

    Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 56.

    Rain Showers
  • Wed11/462% chance of precipitationLow 47°High 68°

    Wednesday: Rain showers likely. Mostly cloudy, with a high near 68.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 47.

    Rain Showers Likely
  • Thu11/536% chance of precipitationLow High 62°

    Thursday: A chance of rain showers. Partly sunny, with a high near 62.

    Chance Rain Showers
  • Fri11/6Model blend33% chance of precipitationLow 41°High 61°

    Friday: Chance of rain. 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.

  • Sat11/7Model blend15% chance of precipitationLow 40°High 61°

    Saturday: 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.

Forecast for 40.860, -90.192 from the NWS ILX office, updated 10/29/2026, 2:26 PM PT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KGBG (Galesburg Muni, 14 mi), model run 10/29/2026, 3:00 PM 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. Now59°Clear0%6 mph
  2. 8 PM56°Clear0%5 mph
  3. 9 PM53°Clear0%5 mph
  4. 10 PM52°Clear0%5 mph
  5. 11 PM50°Clear0%5 mph
  6. 12 AM49°Clear0%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

Will it rain in Gilson, IL 61436 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Gilson, IL 61436?
The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 6 to Nov 7) come from the NOAA National Blend of Models, with highs near 61°F and up to a 33% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Gilson, IL 61436 today?
Sunrise is about 7:28 AM CDT and sunset is about 6:00 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Gilson, IL 61436?
At Knoxville, the 1991 to 2020 normal high in October is 64°F and the normal low is 42°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.16 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Illinois hazards

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

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook 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 tomorrow (Rock Island-Moline)
GoodPM2.5
AQI forecast tomorrow (Rock Island-Moline)
GoodPM2.5

UV index guide · Air quality

Drought

By county

Knox County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:28 AM
Sunset
6 PM
Daylight
10 hr 32 min
Moon
Waning Gibbous 84% lit
First light (civil dawn)
6:59 AM
Last light (civil dusk)
6:28 PM
Moonrise
8:27 PM
Moonset
11:44 AM

Normal October weather

Climate

Normal October high 64°, low 42°, precipitation 3.03 in for the month. 1991 to 2020 normals at Knoxville, 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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