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Mattoon Weather Warning NWS WEATHER ALERT FOR THE MATTOON, WI AREA - Issued: 129 AM CDT Mon Sep 21 2026 Mattoon Weather Warning

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Weather for Mattoon, WIMattoon, WI Weather & Current Conditions

54450 Weather (Mattoon, WI)

Mattoon, WI WeatherCurrent Conditions and Weather for Mattoon, Wisconsin
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Clear at Mattoon (54450), temperature is 48°F9°C, dew point 47°F8°C, humidity 97%. Wind direction is NE at 9 mphat 14 km/h with visibility of 10.00 mi16 km. Barometric pressure is 30.27 in1025 mb. Last update: 5:36 am.*
*Time is approximately 5:36 am Mon, Sep 21, 2026. Time will be within 15 minutes of current local time. Mattoon weather forecast data is updated every 15 minutes.

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I think the weather here is a big attraction for anyone. But also, there are more creative people per square mile in L.A. than anywhere in the world. They make 'The Simpsons' here. Anywhere they make 'The Simpsons' is a good place to be. ―James Corden
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Mattoon WI Weather - 6:36 am

Mattoon Weather Forecast

Weather forecast for: Mattoon WI
Last Update: 5:31 am CDT Sep 21, 2026
Today: Mostly cloudy, with a high near 61. East northeast wind 8 to 11 mph, with gusts as high as 20 mph.
Tonight: Mostly cloudy, with a low around 41. East northeast wind 6 to 8 mph.
Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 65. East wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night: Clear, with a low around 40. East northeast wind 5 to 7 mph.
Wednesday: Sunny, with a high near 67. East wind 5 to 9 mph.
Wednesday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 42.
Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 67.
Thursday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 44.
Friday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 70.
Friday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 44.
Saturday: Areas of fog. Otherwise, partly sunny, with a high near 69.
Saturday Night: A 20 percent chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Sunday: A 20 percent chance of showers. Areas of fog. Otherwise, partly sunny, with a high near 71.

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