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Dewey, IL 61840 Weather

Today: Sunny, high 77°F, low 56°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Dewey, IL 61840 current weather

67°F

Sunny

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

H 77° / L 56°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/28/2026, 8:36 AM PT

Hourly forecast

NWS, updated 10/28/2026, 8:36 AM PT

  1. Now67°
  2. 12 PM71°
  3. 1 PM74°
  4. 2 PM76°
  5. 3 PM77°
  6. 4 PM77°
  7. 5 PM76°
  8. 6 PM72°
  9. 7 PM68°
  10. 8 PM63°
  11. 9 PM61°
  12. 10 PM60°
  13. 11 PM60°
  14. Thu12 AM60°
  15. 1 AM60°
  16. 2 AM59°
  17. 3 AM58°
  18. 4 AM57°
  19. 5 AM57°
  20. 6 AM57°
  21. 7 AM56°
  22. 8 AM57°
  23. 9 AM61°
  24. 10 AM66°
  25. 11 AM70°
  26. 12 PM72°
  27. 1 PM75°
  28. 2 PM76°
  29. 3 PM76°20%
  30. 4 PM76°24%
  31. 5 PM74°17%
  32. 6 PM72°17%
  33. 7 PM68°
  34. 8 PM63°
  35. 9 PM61°
  36. 10 PM59°
  37. 11 PM57°
  38. Fri12 AM56°
  39. 1 AM54°
  40. 2 AM53°
  41. 3 AM52°
  42. 4 AM50°
  43. 5 AM50°
  44. 6 AM50°
  45. 7 AM49°12%
  46. 8 AM53°12%
  47. 9 AM56°12%
  48. 10 AM60°12%

10-day forecast

Tap a day for details

  • Today10/28Low 56°High 77°

    Today: Sunny, with a high near 77. South southwest wind around 12 mph.

    Tonight: Mostly clear, with a low around 56. South wind around 9 mph, with gusts as high as 17 mph.

    Sunny
  • Thu10/2924% chance of precipitationLow 49°High 76°

    Thursday: A slight chance of rain showers after 3pm. Mostly sunny, with a high near 76. West southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Thursday Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 49. North northeast wind 5 to 8 mph.

    Mostly Sunny then Slight Chance Rain Showers
  • Fri10/3021% chance of precipitationLow 52°High 72°

    Friday: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 72. East wind around 6 mph.

    Friday Night: A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52. East wind around 6 mph.

    Mostly Sunny then Slight Chance Rain Showers
  • Sat10/3131% chance of precipitationLow 52°High 71°

    Saturday: A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 71. East southeast wind around 5 mph. Chance of precipitation is 30%.

    Saturday Night: A chance of rain showers after 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Chance Showers And Thunderstorms
  • Sun11/149% chance of precipitationLow 52°High 69°

    Sunday: A chance of rain showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.

    Sunday Night: A slight chance of rain showers. Mostly cloudy, with a low around 52.

    Chance Rain Showers
  • Mon11/256% chance of precipitationLow 54°High 69°

    Monday: A chance of rain showers. Mostly cloudy, with a high near 69.

    Monday Night: Rain showers likely. Mostly cloudy, with a low around 54.

    Chance Rain Showers
  • Tue11/361% chance of precipitationLow 49°High 69°

    Tuesday: Rain showers likely. Mostly cloudy, with a high near 69.

    Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 49.

    Rain Showers Likely
  • Wed11/4Model blend49% chance of precipitationLow 45°High 64°

    Wednesday: Chance of rain. High near 64°. Low that night near 45°. About 0.20 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.

  • Thu11/5Model blend27% chance of precipitationLow 40°High 62°

    Thursday: Partly cloudy, slight chance of rain. High near 62°. 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.

  • Fri11/6Model blend13% chance of precipitationLow High 61°

    Friday: Partly cloudy. High near 61°. 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 40.298, -88.290 from the NWS ILX office, updated 10/28/2026, 8:36 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KCMI (Champaign/Willard Arpt, 18 mi), model run 10/27/2026, 6:00 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. Now67°Sunny0%9 mph
  2. 12 PM71°Sunny0%10 mph
  3. 1 PM74°Sunny0%10 mph
  4. 2 PM76°Sunny0%12 mph
  5. 3 PM77°Sunny0%12 mph
  6. 4 PM77°Sunny0%12 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow
45°63°80°0%100%WedThuFriSatSunMonTue77°60°76°56°72°49°71°52°69°52°69°53°69°54°

Line: temperature °F. Bars: chance of precipitation.

  1. WedNow67°0%9
  2.  12 PM71°0%10
  3.  1 PM74°0%10
  4.  2 PM76°0%12
  5.  3 PM77°0%12
  6.  4 PM77°0%12
  7.  5 PM76°0%10
  8.  6 PM72°0%8
  9.  7 PM68°1%7
  10.  8 PM63°1%8
  11.  9 PM61°1%8
  12.  10 PM60°1%8
  13.  11 PM60°1%8
  14. Thu 10/2912 AM60°1%8
  15.  1 AM60°1%9
  16.  2 AM59°4%9
  17.  3 AM58°4%9
  18.  4 AM57°3%9
  19.  5 AM57°1%9
  20.  6 AM57°1%9
  21.  7 AM56°1%10
  22.  8 AM57°1%10
  23.  9 AM61°0%12
  24.  10 AM66°0%12
  25.  11 AM70°3%13
  26.  12 PM72°1%13
  27.  1 PM75°7%12
  28.  2 PM76°4%12
  29.  3 PM76°20%12
  30.  4 PM76°24%10
  31.  5 PM74°17%9
  32.  6 PM72°17%8
  33.  7 PM68°2%7
  34.  8 PM63°2%6
  35.  9 PM61°2%6
  36.  10 PM59°2%6
  37.  11 PM57°2%5
  38. Fri 10/3012 AM56°2%5
  39.  1 AM54°1%5
  40.  2 AM53°1%5
  41.  3 AM52°1%5
  42.  4 AM50°1%5
  43.  5 AM50°1%5
  44.  6 AM50°1%5
  45.  7 AM49°12%5
  46.  8 AM53°12%5
  47.  9 AM56°12%6
  48.  10 AM60°12%6
  49.  11 AM64°12%6
  50.  12 PM67°12%6
  51.  1 PM69°21%6
  52.  2 PM71°21%6
  53.  3 PM72°21%6
  54.  4 PM72°21%6
  55.  5 PM70°21%6
  56.  6 PM67°21%6
  57.  7 PM64°5%6
  58.  8 PM61°5%6
  59.  9 PM59°5%6
  60.  10 PM57°5%6
  61.  11 PM56°5%6
  62. Sat 10/3112 AM55°5%5
  63.  1 AM55°21%5
  64.  2 AM54°21%5
  65.  3 AM54°21%5
  66.  4 AM54°21%5
  67.  5 AM53°21%5
  68.  6 AM52°21%5
  69.  7 AM52°29%5
  70.  8 AM55°29%5
  71.  9 AM58°29%5
  72.  10 AM61°29%5
  73.  11 AM64°29%5
  74.  12 PM66°29%5
  75.  1 PM68°14%5
  76.  2 PM70°14%5
  77.  3 PM71°14%5
  78.  4 PM71°14%5
  79.  5 PM69°14%5
  80.  6 PM67°14%6
  81.  7 PM64°10%6
  82.  8 PM61°10%6
  83.  9 PM59°10%5
  84.  10 PM57°10%5
  85.  11 PM56°10%5
  86. Sun 11/112 AM55°10%5
  87.  1 AM55°31%5
  88.  1 AM54°31%5
  89.  2 AM54°31%5
  90.  3 AM53°31%5
  91.  4 AM52°31%5
  92.  5 AM52°31%5
  93.  6 AM53°49%5
  94.  7 AM55°49%5
  95.  8 AM57°49%6
  96.  9 AM60°49%6
  97.  10 AM63°49%6
  98.  11 AM65°49%6
  99.  12 PM67°30%6
  100.  1 PM69°30%6
  101.  2 PM69°30%6
  102.  3 PM69°30%6
  103.  4 PM67°30%6
  104.  5 PM65°30%5
  105.  6 PM62°16%5
  106.  7 PM60°16%5
  107.  8 PM58°16%5
  108.  9 PM56°16%5
  109.  10 PM55°16%5
  110.  11 PM55°16%5
  111. Mon 11/212 AM55°16%5
  112.  1 AM55°16%5
  113.  2 AM54°16%5
  114.  3 AM54°16%5
  115.  4 AM53°16%5
  116.  5 AM53°16%5
  117.  6 AM53°24%5
  118.  7 AM55°24%5
  119.  8 AM59°24%5
  120.  9 AM62°24%5
  121.  10 AM64°24%6
  122.  11 AM66°24%6
  123.  12 PM67°41%7
  124.  1 PM68°41%7
  125.  2 PM69°41%8
  126.  3 PM69°41%8
  127.  4 PM68°41%8
  128.  5 PM65°41%9
  129.  6 PM63°47%9
  130.  7 PM61°47%9
  131.  8 PM59°47%9
  132.  9 PM58°47%9
  133.  10 PM57°47%9
  134.  11 PM57°47%8
  135. Tue 11/312 AM57°56%8
  136.  1 AM56°56%8
  137.  2 AM56°56%8
  138.  3 AM55°56%9
  139.  4 AM54°56%10
  140.  5 AM54°56%10
  141.  6 AM55°61%12
  142.  7 AM57°61%13
  143.  8 AM59°61%13
  144.  9 AM62°61%14
  145.  10 AM64°61%14
  146.  11 AM66°61%14
  147.  12 PM67°61%14
  148.  1 PM68°61%14
  149.  2 PM69°61%14
  150.  3 PM69°61%14
  151.  4 PM68°61%13
  152.  5 PM66°61%13
  153.  6 PM63°46%12
  154.  7 PM60°46%12
  155.  8 PM58°46%10
  156.  9 PM56°46%10

Temperature °F · chance of precipitation · wind in mph

NWS hourly forecast updated 10/28/2026, 8:36 AM PT

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

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 today (Champaign)
ModeratePM2.5
AQI forecast tomorrow (Champaign)
GoodPM2.5

UV index guide · Air quality

Drought

By county

Champaign County, week of 10/20/2026

15% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
7:18 AM
Sunset
5:55 PM
Daylight
10 hr 37 min
Moon
Waning Gibbous 93% lit
First light (civil dawn)
6:50 AM
Last light (civil dusk)
6:23 PM
Moonrise
7:20 PM
Moonset
10:23 AM

Normal October weather

Climate

Normal October high 67°, low 42°, precipitation 3.32 in for the month. 1991 to 2020 normals at Rantoul, 7 mi away.

Other places nearby

Data sources

See something wrong? Request a correction

Frequently asked questions

What is the high temperature today in Dewey, IL 61840?
The National Weather Service forecast for today calls for a high near 77°F. Sunny.
Will it rain in Dewey, IL 61840 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 Dewey, IL 61840?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 4 to Nov 6) come from the NOAA National Blend of Models, with highs of 61°F to 64°F and up to a 49% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Dewey, IL 61840 today?
Sunrise is about 7:18 AM CDT and sunset is about 5:55 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Dewey, IL 61840?
At Rantoul, the 1991 to 2020 normal high in October is 67°F and the normal low is 42°F.

About this data

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