Install
Granite City, IL 62040 Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Today
Sunny, with a high near 77. East wind around 3 mph.
-
Tonight
Patchy fog after 5am. Clear, with a low around 48. East wind 0 to 3 mph.
-
Friday
Patchy fog before 9am. Sunny, with a high near 76. Southeast wind 2 to 6 mph.
National Weather Service forecast updated 1 hr ago.
Hourly
Hourly forecast- Now75°
- 2 PM76°
- 3 PM76°
- 4 PM77°
- 5 PM76°
- 6 PM72°
- 7 PM67°
- 8 PM61°
- 9 PM58°
- 10 PM57°
- 11 PM55°
- Fri12 AM54°
- 1 AM53°
- 2 AM52°
- 3 AM51°
- 4 AM50°
- 5 AM50°
- 6 AM49°
- 7 AM48°
- 8 AM49°
- 9 AM55°
- 10 AM62°
- 11 AM67°
- 12 PM71°
10-day forecast
Details- TodayOct 22Sunny48°77°
- FriOct 23Patchy Fog then Sunny48°76°
- SatOct 24Mostly Sunny49°76°
- SunOct 25Mostly Sunny50°79°
- MonOct 26Partly Sunny50°78°
- TueOct 27Partly Sunny47°74°
- WedOct 28Mostly Sunny48°71°
- ThuOct 29Cloudy0.07 in44°64°
- FriOct 30Sunny39°53°
- SatOct 31Cloudy39°60°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Granite City
More weather news-
Tracking a cool night, pleasant TuesdayTONIGHT: Mostly clear and cool with lows in the mid-40s. TOMORROW: Mostly sunny and mild with highs in the lower 70s. EXTENDED: We'll be cool again overnight as temperatures fall to the mid-40s. We'll see gradual…
- St. Louis Weather Forecast Friday Through Thursday
St. Louis is trading late-summer warmth for a blustery fall reset Friday: mostly cloudy skies, a high near 55, and northwest winds around 17 mph with gusts up to 33 mph. A few rain showers could move through after 3…
-
First Alert Weather Day Today: Low Severe Storm Chance 2 - 7PMKMOV - Outlying Areas Could See Frost Saturday AM and Sunday AM Today: Expect lots of cloud cover today with temperatures nearing 80°. Isolated Severe Storms Remain Possible this Afternoon from 2PM- 7PM: This is a…
-
Damaging Winds Possible in Illinois and Missouri ThursdayParts of Missouri and most of Illinois are likely to experience the type of thunderstorm you'd expect to see during the Spring months. Forecasters are warning of a possible damaging wind event that will likely leave…
-
This week's record heat caps hottest Jan.-Sept. on record in USIf it feels like summer never left, the numbers back you up. This week brought a fresh wave of record-breaking heat across the country, even as calendars flip toward Halloween. In a word: hot. According to U.S. National…
- Will colorful fall foliage peak soon in the metro-east? When to leaf peep
With October well underway, some leaves are beginning to turn in southwestern Illinois, but when will fall foliage peak? The southwestern Illinois region offers many picturesque spots to enjoy fall foliage, from hiking…
- Daily high-temperature records broken or tied on October 13 across parts of the central U.S.
Five daily high-temperature records were broken and one was tied at six sites across Kansas, Oklahoma, Missouri and Illinois on October 13, 2026. Temperatures at the sites reached 32.8–33.9°C (91–93°F), or 9.4–13.3°C…
-
Tracking storms with heavy rain moving in late tonightTONIGHT: Warm with storms arriving late. Some storms may produce heavy rain and strong wind gusts. Lows in the upper 60s. TOMORROW: Rain and storms likely early, becoming more scattered by afternoon. Highs in the upper…
-
Illinois to get brief taste of fall weather this weekMany different weather conditions are impacting Illinois this week. It started Monday with record heat. “Middle 90s in Metro East St. Louis,” said Meteorologist Paul Otto with Freese-Notis Weather during a Tuesday guest…
-
A big cooldown will drop temperatures to their lowest levels in monthsA view of the Manhattan skyline illuminated at night, with autumn foliage in the foreground along the East River in New York City, on October 12. People visit Taughannock Falls State Park in Ithaca, New York, on October…
Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- ThuModerate
- FriModerate
- SatModerate
St. Louis (Metro-east), IL reporting area · 2 hrs ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlySt Louis Area, records since 1874. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- St. Louis 13 km
- O'Fallon 52 km
- Saint Charles 33 km
- Saint Peters 45 km
- Florissant 20 km
- Chesterfield 41 km
- Belleville 25 km
- Oakville 33 km
- Wildwood 51 km
- University City 19 km
- Ballwin 41 km
- Upper Alton 21 km
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.