

Alton, IL 14-Day Weather - WeatherWorld.com


Quick Weather Clicks
Settings
Sun & Moon


Alton, IL Weather Forecast


Alton, IL Weather Forecast Dated: 1122 AM Fri Feb 14 2025 (Alton Time)
Fri, 14th![]() Lo: -10°C14°F Hi: 1°C34°F |
Partly Cloudy Friday, temperatures as high as 34°F1°C, low temperature around 14°F-10°C, wind out of the SE 15 mph24 km/h. Barometric pressure 30.47 in1032 mb, visibility 6 mi10 km, humidity 64%, uv index 1. |
Sat, 15th![]() Lo: 0°C33°F Hi: 3°C38°F |
Moderate rain Saturday, temperatures as high as 38°F3°C, low temperature around 33°F0°C, probability of precipitation 76%, wind out of the SSW 17 mph28 km/h. Barometric pressure 29.85 in1011 mb, visibility 4 mi7 km, humidity 95%. |
Sun, 16th![]() Lo: -7°C20°F Hi: -3°C27°F |
Moderate or heavy snow showers Sunday, temperatures as high as 27°F-3°C, low temperature around 20°F-7°C, probability of precipitation 75%, wind out of the NW 20 mph33 km/h. Barometric pressure 29.97 in1015 mb, visibility 2 mi4 km, humidity 83%. |
Mon, 17th![]() Lo: -11°C13°F Hi: -6°C21°F |
Partly Cloudy Monday, temperatures as high as 21°F-6°C, low temperature around 13°F-11°C, wind out of the SW 13 mph21 km/h. Barometric pressure 30.42 in1030 mb, visibility 6 mi10 km, humidity 67%, uv index 1. |
Tue, 18th![]() Lo: -12°C10°F Hi: -9°C16°F |
Heavy snow Tuesday, temperatures as high as 16°F-9°C, low temperature around 10°F-12°C, probability of precipitation 67%, wind out of the NE 13 mph21 km/h. Barometric pressure 30.47 in1032 mb, visibility 2 mi4 km, humidity 89%. |
Wed, 19th![]() Lo: -17°C2°F Hi: -12°C11°F |
Patchy moderate snow Wednesday, temperatures as high as 11°F-12°C, low temperature around 2°F-17°C, probability of precipitation 81%, wind out of the WNW 14 mph22 km/h. Barometric pressure 30.56 in1035 mb, visibility 5 mi8 km, humidity 91%. |
Thu, 20th![]() Lo: -23°C-9°F Hi: -12°C10°F |
Cloudy Thursday, temperatures as high as 10°F-12°C, low temperature around -9°F-23°C, wind out of the NW 15 mph23 km/h. Barometric pressure 30.53 in1034 mb, visibility 6 mi9 km, humidity 88%, uv index 1. |
Fri, 21st![]() Lo: -21°C-6°F Hi: -7°C20°F |
Sunny Friday, temperatures as high as 20°F-7°C, low temperature around -6°F-21°C, wind out of the WSW 5 mph9 km/h. Barometric pressure 30.68 in1039 mb, visibility 4 mi6 km, humidity 89%, uv index 2. |
Sat, 22nd![]() Lo: -13°C8°F Hi: 2°C35°F |
Sunny Saturday, temperatures as high as 35°F2°C, low temperature around 8°F-13°C, wind out of the S 13 mph21 km/h. Barometric pressure 30.36 in1028 mb, visibility 5 mi8 km, humidity 90%, uv index 2. |
Sun, 23rd![]() Lo: -2°C29°F Hi: 5°C41°F |
Patchy rain nearby Sunday, temperatures as high as 41°F5°C, low temperature around 29°F-2°C, probability of precipitation 62%, wind out of the WSW 12 mph19 km/h. Barometric pressure 30 in1016 mb, visibility 4 mi7 km, humidity 91%. |
Mon, 24th![]() Lo: 1°C33°F Hi: 8°C46°F |
Patchy rain nearby Monday, temperatures as high as 46°F8°C, low temperature around 33°F1°C, probability of precipitation 86%, wind out of the WSW 11 mph17 km/h. Barometric pressure 29.88 in1012 mb, visibility 4 mi6 km, humidity 93%. |
Tue, 25th![]() Lo: -1°C30°F Hi: 3°C37°F |
Light freezing rain Tuesday, temperatures as high as 37°F3°C, low temperature around 30°F-1°C, probability of precipitation 89%, wind out of the WNW 15 mph23 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 84%. |
Wed, 26th![]() Lo: -3°C27°F Hi: 2°C36°F |
Light freezing rain Wednesday, temperatures as high as 36°F2°C, low temperature around 27°F-3°C, probability of precipitation 71%, wind out of the NNW 11 mph18 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 84%. |
Thu, 27th![]() Lo: -3°C27°F Hi: 4°C39°F |
Mist Thursday, temperatures as high as 39°F4°C, low temperature around 27°F-3°C, wind out of the WSW 5 mph9 km/h. Barometric pressure 30.09 in1019 mb, visibility 5 mi8 km, humidity 77%, uv index 1. |
Alton, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...