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Roscoe, IL Weather

It is 50°F and mostly cloudy in Roscoe, IL, observed at 1:15 AM CDT. Today: Scattered Rain Showers, high 60°F, low 49°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Roscoe, IL current weather

50°F

Mostly Cloudy

H 60° / L 49°Feels like 50°

Observed at Janesville-Rock County (13.2 mi away), 10/31/2026, 1:15 AM CDT

Hourly forecast

NWS, updated 10/30/2026, 11:40 PM PT

  1. Now50°20%
  2. 2 AM50°21%
  3. 3 AM50°21%
  4. 4 AM50°23%
  5. 5 AM50°33%
  6. 6 AM51°43%
  7. 7 AM50°58%
  8. 8 AM50°60%
  9. 9 AM52°55%
  10. 10 AM54°56%
  11. 11 AM56°50%
  12. 12 PM58°43%
  13. 1 PM58°37%
  14. 2 PM60°34%
  15. 3 PM60°31%
  16. 4 PM60°28%
  17. 5 PM60°24%
  18. 6 PM58°20%
  19. 7 PM54°16%
  20. 8 PM53°16%
  21. 9 PM52°15%
  22. 10 PM52°15%
  23. 11 PM51°15%
  24. 12 AM51°14%Sun
  25. 1 AM50°14%
  26. 1 AM50°13%
  27. 2 AM49°12%
  28. 3 AM49°10%
  29. 4 AM49°
  30. 5 AM49°
  31. 6 AM49°
  32. 7 AM49°
  33. 8 AM53°
  34. 9 AM58°
  35. 10 AM61°
  36. 11 AM63°
  37. 12 PM64°
  38. 1 PM66°
  39. 2 PM66°
  40. 3 PM65°
  41. 4 PM65°
  42. 5 PM62°
  43. 6 PM58°
  44. 7 PM56°
  45. 8 PM55°
  46. 9 PM55°
  47. 10 PM54°
  48. 11 PM54°

10-day forecast

Tap a day for details

  • Today10/3160% chance of precipitationLow 49°High 60°

    Saturday: Scattered rain showers. Cloudy, with a high near 60. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    Overnight: Scattered rain showers. Cloudy, with a low around 49. East southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    Scattered Rain Showers
  • Sun11/1Low 52°High 66°

    Sunday: Partly sunny, with a high near 66. Southeast wind 5 to 10 mph.

    Sunday Night: Mostly cloudy, with a low around 52. Southeast wind 5 to 10 mph.

    Partly Sunny
  • Mon11/275% chance of precipitationLow 58°High 66°

    Monday: A chance of rain showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.

    Monday Night: Rain showers. Cloudy, with a low around 58.

    Chance Rain Showers
  • Tue11/385% chance of precipitationLow 50°High 70°

    Tuesday: Rain showers. Mostly cloudy, with a high near 70.

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 50.

    Rain Showers
  • Wed11/439% chance of precipitationLow 44°High 63°

    Wednesday: A chance of rain showers. Mostly cloudy, with a high near 63.

    Wednesday Night: A slight chance of rain showers. Partly cloudy, with a low around 44.

    Chance Rain Showers
  • Thu11/529% chance of precipitationLow 44°High 64°

    Thursday: A chance of rain showers. Mostly sunny, with a high near 64.

    Thursday Night: A slight chance of rain showers. Mostly cloudy, with a low around 44.

    Chance Rain Showers
  • Fri11/619% chance of precipitationLow High 61°

    Friday: A slight chance of rain showers before noon. Partly sunny, with a high near 61.

    Slight Chance Rain Showers then Partly Sunny
  • Sat11/7Model blend11% chance of precipitationLow 40°High 61°

    Saturday: Mostly cloudy. 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.

  • Sun11/8Model blend16% chance of precipitationLow 41°High 60°

    Sunday: Partly cloudy, slight chance of rain. High near 60°. Low that night near 41°. About 0.01 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.

  • Mon11/9Model blend23% chance of precipitationLow 40°High 61°

    Monday: 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 42.431, -89.012 from the NWS LOT office, updated 10/30/2026, 11:40 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KJVL (Janesville/S Wisconsin Rgnl, 13 mi), model run 10/30/2026, 9:00 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. Now50°Isolated Rain Showers20%5 mph
  2. 2 AM50°Isolated Rain Showers21%5 mph
  3. 3 AM50°Isolated Rain Showers21%5 mph
  4. 4 AM50°Isolated Rain Showers23%5 mph
  5. 5 AM50°Scattered Rain Showers33%5 mph
  6. 6 AM51°Scattered Rain Showers43%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 weather in Roscoe, IL right now?
The latest observation from Janesville-Rock County was 50°F and mostly cloudy, reported at 10/31/2026, 1:15 AM CDT.
What is the high temperature today in Roscoe, IL?
The National Weather Service forecast for saturday calls for a high near 60°F. Scattered Rain Showers.
Will it rain in Roscoe, IL in the next 24 hours?
The hourly forecast shows a 58% chance of precipitation around 10/31/2026, 7:00 AM CDT.
What is the 10-day forecast for Roscoe, IL?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 60°F to 61°F. Model guidance this far out often changes.
What time is sunrise and sunset in Roscoe, IL today?
Sunrise is about 7:28 AM CDT and sunset is about 5:50 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Roscoe, IL?
At Beloit, the 1991 to 2020 normal high in October is 58°F and the normal low is 39°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.26 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 today (Rockford)
GoodPM2.5
AQI forecast tomorrow (Rockford)
ModeratePM2.5

UV index guide · Air quality

Drought

By county

Winnebago 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
5:50 PM
Daylight
10 hr 22 min
Moon
Waning Gibbous 73% lit
First light (civil dawn)
6:59 AM
Last light (civil dusk)
6:19 PM
Moonrise
10:45 PM
Moonset
1:36 PM

Normal October weather

Climate

Normal October high 58°, low 39°, precipitation 2.77 in for the month. 1991 to 2020 normals at Beloit, 5 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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