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Walnut, IL Weather
It is 43°F and clear in Walnut, IL, observed at 12:50 AM CDT. Today: Partly Sunny then Chance Rain Showers, high 61°F, low 42°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).
Walnut, IL current weather
43°F
Clear
H 61° / L 42°Feels like 43°
No rain expected in the next 12 hours
Observed at Sterling Rockfalls (13.5 mi away), 10/30/2026, 12:50 AM CDT
Hourly forecast
NWS, updated 10/29/2026, 5:36 PM PT
7-day forecast
Tap a day for details
Today10/3026% chance of precipitationLow 42°High 61°
Friday: A chance of rain showers after 1pm. Partly sunny. High near 61, with temperatures falling to around 59 in the afternoon. East wind 5 to 10 mph. Chance of precipitation is 30%.
Overnight: Mostly clear. Low around 42, with temperatures rising to around 44 overnight. Northeast wind around 5 mph.
Partly Sunny then Chance Rain ShowersSat10/3179% chance of precipitationLow 50°High 62°
Saturday: Showers and thunderstorms. Cloudy, with a high near 62. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Saturday Night: A chance of rain showers before 7pm. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Showers And ThunderstormsSun11/120% chance of precipitationLow 54°High 68°
Sunday: A slight chance of rain showers. Partly sunny, with a high near 68.
Sunday Night: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 54.
Slight Chance Rain ShowersMon11/270% chance of precipitationLow 59°High 68°
Monday: A chance of rain showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Monday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Chance Rain ShowersTue11/373% chance of precipitationLow 57°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 57. Chance of precipitation is 60%.
Rain Showers LikelyWed11/462% chance of precipitationLow 49°High 67°
Wednesday: Rain showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Rain Showers LikelyThu11/540% chance of precipitationLow High 62°
Thursday: A chance of rain showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.
Chance Rain Showers
Forecast for 41.556, -89.592 from the NWS DVN office, updated 10/29/2026, 5:36 PM PT · Official forecast on weather.gov
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now46°Clear0%5 mph
- 2 AM44°Clear0%5 mph
- 3 AM44°Clear0%5 mph
- 4 AM43°Mostly Clear0%5 mph
- 5 AM44°Mostly Clear0%5 mph
- 6 AM43°Mostly Sunny0%5 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the weather in Walnut, IL right now?
- The latest observation from Sterling Rockfalls was 43°F and clear, reported at 10/30/2026, 12:50 AM CDT.
- What is the high temperature today in Walnut, IL?
- The National Weather Service forecast for friday calls for a high near 61°F. Partly Sunny then Chance Rain Showers.
- Will it rain in Walnut, IL 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 time is sunrise and sunset in Walnut, IL today?
- Sunrise is about 7:28 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 Walnut, IL?
- At Walnut, the 1991 to 2020 normal high in October is 63°F and the normal low is 41°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.24 in
- Snow
- 0.00 in
- Ice
- 0.00 in
Nearby hazards
Illinois hazardsSevere 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
Drought
By countyBureau 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
- 5:55 PM
- Daylight
- 10 hr 28 min
- Moon
- Waning Gibbous 82% lit
- First light (civil dawn)
- 6:59 AM
- Last light (civil dusk)
- 6:24 PM
- Moonrise
- 9:33 PM
- Moonset
- 12:46 PM
Normal October weather
ClimateNormal October high 63°, low 41°, precipitation 2.97 in for the month. 1991 to 2020 normals at Walnut, 1 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
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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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