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Decatur IL Weather - Overcast - 26°F
Overcast
26°F
Updated 12:47 pm
Feels Like 13°F
Humidity 73%
Wind WNW 25 mph
Barometer  30 in
Dew Point 19°F
Decatur IL Weather - Overcast - -3°C
Overcast
-3°C
Updated 12:47 pm
Feels Like -10°C
Humidity 73%
Wind WNW 40 km/h
Barometer  101.5 kPa
Dew Point -7°C
Decatur, IL Weather and Current Conditionsdecatur il weather forecast

Decatur, IL Weather Forecast

Decatur Illinois WeatherDecatur, Illinois Weather Weather Forecast
14 Day API Decatur, IL Weather Forecast. Note: Our 7 day Decatur, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Decatur, IL Weather Forecast Dated: 1247 PM Sun Feb 16 2025 (Decatur Time)
Sun, 16th
Decatur IL Weather  - Sunday, Feb 16, 2025 - Moderate Or Heavy Snow Showers
Lo: -9°C17°F
Hi: -3°C27°F
Moderate or heavy snow showers Sunday, temperatures as high as 27°F-3°C, low temperature around 17°F-9°C, probability of precipitation 83%, wind out of the NW 19 mph31 km/h. Barometric pressure 29.97 in1015 mb, visibility 3 mi5 km, humidity 80%.
Mon, 17th
Decatur IL Weather  - Monday, Feb 17, 2025 - Cloudy
Lo: -12°C11°F
Hi: -5°C22°F
Cloudy Monday, temperatures as high as 22°F-5°C, low temperature around 11°F-12°C, wind out of the W 13 mph21 km/h. Barometric pressure 30.39 in1029 mb, visibility 6 mi10 km, humidity 62%, uv index 1.
Tue, 18th
Decatur IL Weather  - Tuesday, Feb 18, 2025 - Moderate Or Heavy Snow Showers
Lo: -11°C13°F
Hi: -8°C18°F
Moderate or heavy snow showers Tuesday, temperatures as high as 18°F-8°C, low temperature around 13°F-11°C, probability of precipitation 65%, wind out of the NNE 12 mph20 km/h. Barometric pressure 30.47 in1032 mb, visibility 6 mi9 km, humidity 71%.
Wed, 19th
Decatur IL Weather  - Wednesday, Feb 19, 2025 - Moderate Snow
Lo: -12°C10°F
Hi: -6°C21°F
Moderate snow Wednesday, temperatures as high as 21°F-6°C, low temperature around 10°F-12°C, probability of precipitation 76%, wind out of the SSE 12 mph19 km/h. Barometric pressure 30.42 in1030 mb, visibility 4 mi6 km, humidity 86%.
Thu, 20th
Decatur IL Weather  - Thursday, Feb 20, 2025 - Cloudy
Lo: -16°C2°F
Hi: -8°C17°F
Cloudy Thursday, temperatures as high as 17°F-8°C, low temperature around 2°F-16°C, wind out of the NNW 11 mph17 km/h. Barometric pressure 30.56 in1035 mb, visibility 6 mi10 km, humidity 86%, uv index 0.
Fri, 21st
Decatur IL Weather  - Friday, Feb 21, 2025 - Mist
Lo: -13°C8°F
Hi: -6°C22°F
Mist Friday, temperatures as high as 22°F-6°C, low temperature around 8°F-13°C, wind out of the NW 6 mph9 km/h. Barometric pressure 30.62 in1037 mb, visibility 6 mi9 km, humidity 85%, uv index 1.
Sat, 22nd
Decatur IL Weather  - Saturday, Feb 22, 2025 - Sunny
Lo: -14°C7°F
Hi: -5°C23°F
Sunny Saturday, temperatures as high as 23°F-5°C, low temperature around 7°F-14°C, wind out of the WNW 5 mph9 km/h. Barometric pressure 30.53 in1034 mb, visibility 5 mi8 km, humidity 84%, uv index 2.
Sun, 23rd
Decatur IL Weather  - Sunday, Feb 23, 2025 - Overcast
Lo: -11°C12°F
Hi: 0°C33°F
Overcast Sunday, temperatures as high as 33°F0°C, low temperature around 12°F-11°C, wind out of the SSW 15 mph25 km/h. Barometric pressure 30.21 in1023 mb, visibility 5 mi8 km, humidity 91%, uv index 1.
Mon, 24th
Decatur IL Weather  - Monday, Feb 24, 2025 - Overcast
Lo: -4°C25°F
Hi: 5°C41°F
Overcast Monday, temperatures as high as 41°F5°C, low temperature around 25°F-4°C, wind out of the SW 11 mph18 km/h. Barometric pressure 29.85 in1011 mb, visibility 4 mi6 km, humidity 91%, uv index 1.
Tue, 25th
Decatur IL Weather  - Tuesday, Feb 25, 2025 - Sunny
Lo: -0°C32°F
Hi: 8°C46°F
Sunny Tuesday, temperatures as high as 46°F8°C, low temperature around 32°F-0°C, wind out of the WNW 13 mph20 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 83%, uv index 2.
Wed, 26th
Decatur IL Weather  - Wednesday, Feb 26, 2025 - Sunny
Lo: -0°C31°F
Hi: 9°C48°F
Sunny Wednesday, temperatures as high as 48°F9°C, low temperature around 31°F-0°C, wind out of the SE 8 mph13 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 80%, uv index 2.
Thu, 27th
Decatur IL Weather  - Thursday, Feb 27, 2025 - Patchy Rain Nearby
Lo: 5°C41°F
Hi: 17°C62°F
Patchy rain nearby Thursday, temperatures as high as 62°F17°C, low temperature around 41°F5°C, chance of rain 86%, wind out of the SSE 18 mph29 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi9 km, humidity 87%.
Fri, 28th
Decatur IL Weather  - Friday, Feb 28, 2025 - Patchy Rain Nearby
Lo: 11°C52°F
Hi: 16°C61°F
Patchy rain nearby Friday, temperatures as high as 61°F16°C, low temperature around 52°F11°C, chance of rain 89%, wind out of the SSE 22 mph36 km/h. Barometric pressure 29.59 in1002 mb, visibility 4 mi7 km, humidity 94%.
Sat, 1st
Decatur IL Weather  - Saturday, Mar 1, 2025 - Patchy Rain Nearby
Lo: 5°C41°F
Hi: 9°C47°F
Patchy rain nearby Saturday, temperatures as high as 47°F9°C, low temperature around 41°F5°C, chance of rain 74%, wind out of the SW 22 mph35 km/h. Barometric pressure 29.5 in999 mb, visibility 6 mi10 km, humidity 77%.

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