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Mattoon Weather Warning NWS WEATHER ALERT FOR THE MATTOON, WI AREA - Issued: 114 PM CDT Sun Sep 20 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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Overcast at Mattoon (54450), temperature is 61°F16°C, dew point 50°F10°C, humidity 67%. Wind direction is NE at 17 mphat 27 km/h with visibility of 10 mi16 km. Barometric pressure is 30.2 in1023 mb. Last update: 3:54 pm.*
*Time is approximately 3:54 pm Sun, Sep 20, 2026. Time will be within 15 minutes of current local time. Mattoon weather forecast data is updated every 15 minutes.

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Here comes the rain again. Falling on my head like a memory. Falling on my head like a new emotion. ―Eurythmics
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Mattoon WI Weather - 4:54 pm

Mattoon Weather Forecast

Weather forecast for: Mattoon WI
Last Update: 3:12 pm CDT Sep 20, 2026
This Afternoon: A chance of sprinkles. Partly sunny, with a high near 66. Northeast wind around 13 mph, with gusts as high as 21 mph.
Tonight: Mostly cloudy, with a low around 43. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Monday: Mostly cloudy, with a high near 61. East northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night: Mostly cloudy, with a low around 39. Northeast wind around 6 mph.
Tuesday: Mostly sunny, with a high near 64. East wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night: Mostly clear, with a low around 39.
Wednesday: Sunny, with a high near 66.
Wednesday Night: Mostly clear, with a low around 42.
Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 67.
Thursday Night: Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 43.
Friday: Areas of fog. Otherwise, partly sunny, with a high near 70.
Friday Night: Areas of fog. Otherwise, partly cloudy, with a low around 44.
Saturday: Areas of fog. Otherwise, partly sunny, with a high near 71.
Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Sunday: A 20 percent chance of showers. Partly sunny, with a high near 72.

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