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Ottawa, IL 61350 Weather
Tonight: Mostly Cloudy, low 58°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).
Ottawa, IL 61350 current weather
66°F
Mostly Cloudy
Forecast for this hour. No recent report from a nearby station.
H -- / L 58°
- Wildfire smoke overhead: light
No rain expected in the next 12 hours
No recent station report. NWS hourly forecast updated 10/28/2026, 7:41 PM PT
Hourly forecast
NWS, updated 10/28/2026, 7:41 PM PT
7-day forecast
Tap a day for details
Today10/2813% chance of precipitationLow 58°High
Tonight: Mostly cloudy. Low around 58, with temperatures rising to around 60 overnight. South southwest wind around 10 mph, with gusts as high as 20 mph.
Mostly CloudyThu10/2915% chance of precipitationLow 39°High 68°
Thursday: A slight chance of showers and thunderstorms between 10am and 1pm. Partly sunny. High near 68, with temperatures falling to around 66 in the afternoon. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night: Mostly clear. Low around 39, with temperatures rising to around 42 overnight. North northeast wind around 5 mph, with gusts as high as 10 mph.
Slight Chance Showers And ThunderstormsFri10/3072% chance of precipitationLow 51°High 65°
Friday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 65. East northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Friday Night: A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Cloudy, with a low around 51. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Mostly Sunny then Slight Chance Showers And ThunderstormsSat10/3172% chance of precipitationLow 51°High 64°
Saturday: Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Saturday Night: A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 51.
Showers And Thunderstorms Likely then Chance Showers And ThunderstormsSun11/135% chance of precipitationLow 54°High 68°
Sunday: A chance of rain showers. Mostly cloudy, with a high near 68.
Sunday Night: Mostly cloudy, with a low around 54.
Chance Rain ShowersMon11/242% chance of precipitationLow 56°High 70°
Monday: A chance of rain showers after noon. Partly sunny, with a high near 70.
Monday Night: A chance of rain showers. Mostly cloudy, with a low around 56.
Partly Sunny then Chance Rain ShowersTue11/361% chance of precipitationLow 54°High 70°
Tuesday: Rain showers likely. Mostly cloudy, with a high near 70.
Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 54.
Rain Showers LikelyWed11/457% chance of precipitationLow High 68°
Wednesday: Rain showers likely. Mostly cloudy, with a high near 68.
Rain Showers Likely
Forecast for 41.351, -88.868 from the NWS LOT office, updated 10/28/2026, 7:41 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
- Now66°Mostly Cloudy9%10 mph
- 12 AM64°Mostly Cloudy10%10 mph
- 1 AM63°Mostly Cloudy10%10 mph
- 2 AM62°Mostly Cloudy11%10 mph
- 3 AM61°Mostly Cloudy12%10 mph
- 4 AM60°Mostly Cloudy13%10 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
- Will it rain in Ottawa, IL 61350 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 Ottawa, IL 61350 today?
- Sunrise is about 7:22 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 Ottawa, IL 61350?
- At Ottawa 5sw, the 1991 to 2020 normal high in October is 64°F and the normal low is 43°F.
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
- UV index today (Ottawa)
- 3Moderate
- AQI forecast tomorrow (Joliet and Will County)
- GoodPM2.5
- AQI forecast tomorrow (Joliet and Will County)
- GoodPM2.5
Drought
By countyLaSalle County, week of 10/20/2026
No drought or abnormal dryness in this county.
Sun and moon
Local time, center of the area
- Sunrise
- 7:22 AM
- Sunset
- 5:55 PM
- Daylight
- 10 hr 33 min
- Moon
- Waning Gibbous 90% lit
- First light (civil dawn)
- 6:54 AM
- Last light (civil dusk)
- 6:24 PM
- Moonrise
- 7:18 PM
- Moonset
- 10:30 AM
Normal October weather
ClimateNormal October high 64°, low 43°, precipitation 3.10 in for the month. 1991 to 2020 normals at Ottawa 5sw, 3 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- Hazard Mapping System Smoke AnalysisNOAA NESDIS Office of Satellite and Product Operations
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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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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