Checked
Granite City, IL 62048 Weather
It is 59°F and clear in Granite City, IL 62048, observed at 4:35 AM CDT. Today: Partly Sunny, high 75°F, low 57°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).
Granite City, IL 62048 current weather
59°F
Clear
H 75° / L 57°Feels like 59°
- Wildfire smoke overhead: light
No rain expected in the next 12 hours
Observed at St. Louis Regional Airport (10.1 mi away), 10/30/2026, 4:35 AM CDT
Hourly forecast
NWS, updated 10/29/2026, 11:26 PM PT
10-day forecast
Tap a day for details
Today10/3017% chance of precipitationLow 57°High 75°
Friday: Partly sunny. High near 75, with temperatures falling to around 71 in the afternoon. East wind 6 to 9 mph. Chance of precipitation is 20%.
Overnight: Mostly cloudy, with a low around 57. Northeast wind around 5 mph.
Partly SunnySat10/3137% chance of precipitationLow 57°High 74°
Saturday: A chance of rain showers after 7am. Cloudy, with a high near 74. East wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday Night: A chance of rain showers. Cloudy, with a low around 57. East wind 3 to 7 mph. Chance of precipitation is 40%.
Chance Rain ShowersSun11/149% chance of precipitationLow 56°High 72°
Sunday: A chance of rain showers. Mostly cloudy. High near 72, with temperatures falling to around 67 in the afternoon. Chance of precipitation is 50%.
Sunday Night: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.
Chance Rain ShowersMon11/249% chance of precipitationLow 60°High 73°
Monday: A chance of rain showers. Cloudy, with a high near 73. Chance of precipitation is 40%.
Monday Night: A chance of rain showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Chance Rain ShowersTue11/360% chance of precipitationLow 53°High 75°
Tuesday: Rain showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Rain Showers LikelyWed11/441% chance of precipitationLow 47°High 70°
Wednesday: A chance of rain showers. Partly sunny, with a high near 70. Chance of precipitation is 40%.
Wednesday Night: A slight chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 20%.
Chance Rain ShowersThu11/514% chance of precipitationLow High 69°
Thursday: Mostly sunny, with a high near 69.
Mostly SunnyFri11/6Model blendLow 40°High 62°
Friday: Partly cloudy. 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.
Sat11/7Model blendLow 40°High 62°
Saturday: Partly cloudy. 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.
Sun11/8Model blend12% chance of precipitationLow 41°High 63°
Sunday: Partly cloudy. High near 63°. Low that night near 41°. About 0.03 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 38.772, -90.143 from the NWS LSX office, updated 10/29/2026, 11:26 PM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KALN (Alton/St Louis Rgnl, 10 mi), model run 10/30/2026, 3:00 AM 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
- Now57°Mostly Cloudy8%5 mph
- 6 AM57°Partly Sunny9%6 mph
- 7 AM57°Partly Sunny9%6 mph
- 8 AM58°Partly Sunny9%7 mph
- 9 AM61°Partly Sunny10%8 mph
- 10 AM65°Partly Sunny10%9 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 Granite City, IL 62048 right now?
- The latest observation from St. Louis Regional Airport was 59°F and clear, reported at 10/30/2026, 4:35 AM CDT.
- What is the high temperature today in Granite City, IL 62048?
- The National Weather Service forecast for friday calls for a high near 75°F. Partly Sunny.
- Will it rain in Granite City, IL 62048 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 Granite City, IL 62048?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 62°F to 63°F. Model guidance this far out often changes.
- What time is sunrise and sunset in Granite City, IL 62048 today?
- Sunrise is about 7:25 AM CDT and sunset is about 6:02 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Granite City, IL 62048?
- At Alton - Melvin Price L&d, the 1991 to 2020 normal high in October is 68°F and the normal low is 48°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.10 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:Could not check the Storm Prediction Center outlook right now.Outlook 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 (St. Louis (Metro-east))
- GoodPM2.5
- AQI forecast tomorrow (St. Louis (Metro-east))
- ModeratePM2.5
Drought
By countyMadison County, week of 10/27/2026
64% of the county is in moderate drought or worse.
Sun and moon
Local time, center of the area
- Sunrise
- 7:25 AM
- Sunset
- 6:02 PM
- Daylight
- 10 hr 37 min
- Moon
- Waning Gibbous 81% lit
- First light (civil dawn)
- 6:58 AM
- Last light (civil dusk)
- 6:30 PM
- Moonrise
- 9:46 PM
- Moonset
- 12:37 PM
Normal October weather
ClimateNormal October high 68°, low 48°, precipitation 2.93 in for the month. 1991 to 2020 normals at Alton - Melvin Price L&d, 7 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- National Blend of Models (NBM) text guidanceNOAA National Weather Service · 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
- Hazard Mapping System Smoke AnalysisNOAA NESDIS Office of Satellite and Product Operations · 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
See something wrong? Request a correction
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.
Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.
DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.
Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.