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Mason City, IL 62664 Weather
Today: Chance Rain Showers, high 77°F, low 47°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).
Mason City, IL 62664 current weather
75°F
Slight Chance Rain Showers
Forecast for this hour. No recent report from a nearby station.
H 77° / L 47°
- Wildfire smoke overhead: light
No rain expected in the next 12 hours
No recent station report. NWS hourly forecast updated 10/29/2026, 11:26 AM PT
Hourly forecast
NWS, updated 10/29/2026, 11:26 AM PT
7-day forecast
Tap a day for details
Today10/2915% chance of precipitationLow 47°High 77°
This Afternoon: A chance of rain showers before 5pm. Mostly sunny, with a high near 77. North northwest wind around 8 mph. Chance of precipitation is 20%.
Tonight: Mostly clear, with a low around 47. Northeast wind around 7 mph.
Chance Rain ShowersFri10/3038% chance of precipitationLow 53°High 67°
Friday: A chance of rain showers after 10am. Partly sunny, with a high near 67. East wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Friday Night: A chance of rain showers. Mostly cloudy, with a low around 53. East wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Chance Rain ShowersSat10/3133% chance of precipitationLow 52°High 70°
Saturday: A chance of rain showers before 1pm. Mostly cloudy, with a high near 70. East southeast wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 52. East wind around 6 mph.
Chance Rain ShowersSun11/131% chance of precipitationLow 54°High 71°
Sunday: A chance of rain showers. Partly sunny, with a high near 71. East southeast wind around 7 mph. Chance of precipitation is 30%.
Sunday Night: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 54.
Chance Rain ShowersMon11/260% chance of precipitationLow 59°High 70°
Monday: A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Monday Night: Rain showers likely. Mostly cloudy, with a low around 59.
Chance Rain ShowersTue11/369% chance of precipitationLow 56°High 74°
Tuesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 74.
Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 56.
Showers And Thunderstorms LikelyWed11/460% chance of precipitationLow 48°High 70°
Wednesday: Rain showers likely. Mostly cloudy, with a high near 70.
Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 48.
Rain Showers Likely
Forecast for 40.213, -89.716 from the NWS ILX office, updated 10/29/2026, 11:26 AM 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
- Now75°Slight Chance Rain Showers15%8 mph
- 4 PM75°Chance Rain Showers8%8 mph
- 5 PM74°Mostly Sunny5%8 mph
- 6 PM70°Partly Cloudy5%7 mph
- 7 PM65°Partly Cloudy2%7 mph
- 8 PM61°Mostly Clear2%7 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 high temperature today in Mason City, IL 62664?
- The National Weather Service forecast for this afternoon calls for a high near 77°F. Chance Rain Showers.
- Will it rain in Mason City, IL 62664 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 Mason City, IL 62664 today?
- Sunrise is about 7:25 AM CDT and sunset is about 5:59 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Mason City, IL 62664?
- At Mason City 4se, the 1991 to 2020 normal high in October is 66°F and the normal low is 43°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.08 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
- UV index today (Mason City)
- 4Moderate
- 110a
- 211a
- 312p
- 41p
- 32p
- 23p
- 14p
- AQI forecast today (Springfield)
- ModeratePM2.5
- AQI forecast tomorrow (Springfield)
- GoodPM2.5
Drought
By countyMason County, week of 10/27/2026
79% of the county is abnormally dry. No drought.
Sun and moon
Local time, center of the area
- Sunrise
- 7:25 AM
- Sunset
- 5:59 PM
- Daylight
- 10 hr 35 min
- Moon
- Waning Gibbous 85% lit
- First light (civil dawn)
- 6:57 AM
- Last light (civil dusk)
- 6:27 PM
- Moonrise
- 8:28 PM
- Moonset
- 11:39 AM
Normal October weather
ClimateNormal October high 66°, low 43°, precipitation 3.33 in for the month. 1991 to 2020 normals at Mason City 4se, 5 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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