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Mason City IL Weather - Overcast - 39°F
Overcast
39°F
Updated 12:21 am
Feels Like 36°F
Humidity 80%
Wind SE 6 mph
Barometer  30.18 in
Dew Point 34°F
Mason City IL Weather - Overcast - 4°C
Overcast
4°C
Updated 12:21 am
Feels Like 2°C
Humidity 80%
Wind SE 10 km/h
Barometer  102.2 kPa
Dew Point 1°C
Mason City, IL Weather and Current Conditionsmason city il weather forecast

Mason City, IL Weather Forecast

Mason City Illinois WeatherMason City, Illinois Weather Weather Forecast
14 day API forecast for Mason City, Illinois. Note. The 7-day weather forecast for Mason City, IL is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Mason City, IL Weather Forecast Dated: 1221 AM Tue Mar 03 2026 (Mason City Time)
Tue, 3rd
Mason City IL Weather  - Tuesday, Mar 3, 2026 - Moderate Rain
Lo: 4°C38°F
Hi: 6°C43°F
Moderate rain Tuesday, temperatures as high as 43°F6°C, low temperature around 38°F4°C, chance of rain 89%, wind out of the E 8 mph12 km/h. Barometric pressure 30.15 in1021 mb, visibility 5 mi8 km, humidity 95%.
Wed, 4th
Mason City IL Weather  - Wednesday, Mar 4, 2026 - Moderate Rain
Lo: 4°C38°F
Hi: 7°C45°F
Moderate rain Wednesday, temperatures as high as 45°F7°C, low temperature around 38°F4°C, chance of rain 89%, wind out of the E 11 mph17 km/h. Barometric pressure 30.09 in1019 mb, visibility 2 mi4 km, humidity 95%.
Thu, 5th
Mason City IL Weather  - Thursday, Mar 5, 2026 - Patchy Rain Nearby
Lo: 3°C38°F
Hi: 7°C45°F
Patchy rain nearby Thursday, temperatures as high as 45°F7°C, low temperature around 38°F3°C, chance of rain 84%, wind out of the SW 11 mph17 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 94%.
Fri, 6th
Mason City IL Weather  - Friday, Mar 6, 2026 - Patchy Rain Nearby
Lo: 7°C45°F
Hi: 23°C73°F
Patchy rain nearby Friday, temperatures as high as 73°F23°C, low temperature around 45°F7°C, chance of rain 77%, wind out of the SSE 19 mph31 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 84%.
Sat, 7th
Mason City IL Weather  - Saturday, Mar 7, 2026 - Moderate Rain
Lo: 9°C48°F
Hi: 18°C64°F
Moderate rain Saturday, temperatures as high as 64°F18°C, low temperature around 48°F9°C, chance of rain 89%, wind out of the SW 21 mph35 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 77%.
Sun, 8th
Mason City IL Weather  - Sunday, Mar 8, 2026 - Sunny
Lo: 5°C41°F
Hi: 17°C63°F
Sunny Sunday, temperatures as high as 63°F17°C, low temperature around 41°F5°C, wind out of the WSW 14 mph23 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 63%, uv index 4.
Mon, 9th
Mason City IL Weather  - Monday, Mar 9, 2026 - Sunny
Lo: 9°C48°F
Hi: 16°C61°F
Sunny Monday, temperatures as high as 61°F16°C, low temperature around 48°F9°C, wind out of the SW 13 mph21 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 55%, uv index 4.
Tue, 10th
Mason City IL Weather  - Tuesday, Mar 10, 2026 - Patchy Rain Nearby
Lo: 12°C53°F
Hi: 25°C76°F
Patchy rain nearby Tuesday, temperatures as high as 76°F25°C, low temperature around 53°F12°C, chance of rain 84%, wind out of the S 25 mph41 km/h. Barometric pressure 29.74 in1007 mb, visibility 6 mi10 km, humidity 68%.
Wed, 11th
Mason City IL Weather  - Wednesday, Mar 11, 2026 - Patchy Rain Nearby
Lo: 3°C38°F
Hi: 20°C69°F
Patchy rain nearby Wednesday, temperatures as high as 69°F20°C, low temperature around 38°F3°C, chance of rain 86%, wind out of the WNW 26 mph42 km/h. Barometric pressure 29.68 in1005 mb, visibility 6 mi10 km, humidity 76%.
Thu, 12th
Mason City IL Weather  - Thursday, Mar 12, 2026 - Sunny
Lo: 1°C33°F
Hi: 8°C46°F
Sunny Thursday, temperatures as high as 46°F8°C, low temperature around 33°F1°C, wind out of the SSE 13 mph22 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 54%, uv index 2.
Fri, 13th
Mason City IL Weather  - Friday, Mar 13, 2026 - Sunny
Lo: 3°C37°F
Hi: 17°C62°F
Sunny Friday, temperatures as high as 62°F17°C, low temperature around 37°F3°C, wind out of the SSE 21 mph33 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 67%, uv index 3.
Sat, 14th
Mason City IL Weather  - Saturday, Mar 14, 2026 - Patchy Rain Nearby
Lo: 2°C36°F
Hi: 8°C46°F
Patchy rain nearby Saturday, temperatures as high as 46°F8°C, low temperature around 36°F2°C, chance of rain 83%, wind out of the SW 18 mph29 km/h. Barometric pressure 30.36 in1028 mb, visibility 6 mi9 km, humidity 56%.
Sun, 15th
Mason City IL Weather  - Sunday, Mar 15, 2026 - Light Sleet
Lo: 0°C32°F
Hi: 1°C33°F
Light sleet Sunday, temperatures as high as 33°F1°C, low temperature around 32°F0°C, probability of precipitation 79%, wind out of the NE 19 mph31 km/h. Barometric pressure 30.12 in1020 mb, visibility 4 mi7 km, humidity 98%.
Mon, 16th
Mason City IL Weather  - Monday, Mar 16, 2026 - Light Freezing Rain
Lo: -3°C27°F
Hi: 1°C34°F
Light freezing rain Monday, temperatures as high as 34°F1°C, low temperature around 27°F-3°C, probability of precipitation 81%, wind out of the W 15 mph25 km/h. Barometric pressure 30.06 in1018 mb, visibility 3 mi5 km, humidity 96%.

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