Current Conditions
Mattoon, Illinois
Wind
SSE 5 mph8 km/h
Humidity
91%
Cloud Cover
85%
As of Wednesday, August 12, 2026 at 10:43 PM CDT
Today's Outlook
Night
Mostly cloudy, with a low around 72°F22°C. Light wind from the ESE around 5 mph8 km/h. 25% chance of drizzle throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 84°F29°CFeels 90°F32°C | Low 72°F22°C | Precip 0.11 in2.9 mm50% | Cloud 88% | Wind SE 5 mph8 km/h | Thursday: Overcast and warm, with a high of 84°F29°C and morning low of 73°F23°C — feels like 90°F32°C. Light wind from the SE around 5 mph8 km/h. 50% chance of light rain throughout the day. Heavy, humid air. Thursday Night: Mostly cloudy, with a low around 72°F22°C. Light wind from the ESE around 5 mph8 km/h. 25% chance of drizzle throughout the night. | |
| Light Rain | High 88°F31°CFeels 97°F36°C | Low 73°F23°C | Precip 0.18 in4.5 mm38% | Cloud 94% | Wind E 6 mph10 km/h | Friday: Overcast and hot, with a high of 88°F31°C and morning low of 73°F23°C — feels like 97°F36°C. Breezy from the ESE at 6 to 7 mph10 to 12 km/h. 36% chance of light rain throughout the day. Heat risk in the afternoon. Friday Night: Overcast, with a low around 74°F23°C. Breezy from the E at 6 to 7 mph10 to 11 km/h. 38% chance of light rain throughout the night. | |
| Light Rain | High 89°F32°CFeels 99°F37°C | Low 76°F25°C | Precip 0.23 in5.9 mm45% | Cloud 82% | Wind S 6 mph9 km/h | Saturday: Overcast and hot, with a high of 89°F32°C and morning low of 76°F25°C — feels like 99°F37°C. Breezy from the SSW at 6 to 7 mph10 to 11 km/h. 43% chance of light rain throughout the day. Heat risk in the afternoon. Saturday Night: Mostly cloudy, with a low around 77°F25°C. Light wind from the SE around 5 mph8 km/h. 45% chance of light rain overnight. | |
| Showers | High 93°F34°CFeels 104°F40°C | Low 79°F26°C | Precip 0.06 in1.5 mm17% | Cloud 47% | Wind W 7 mph12 km/h | Sunday: Partly cloudy and hot, with a high of 93°F34°C and morning low of 79°F26°C — feels like 104°F40°C. Breezy from the W at 8 mph12 km/h. 13% chance of drizzle in the afternoon. Heat risk in the afternoon. Sunday Night: Partly cloudy, with a low around 79°F26°C. Breezy from the W at 7 mph11 km/h. 17% chance of showers in the evening. | |
| Showers | High 83°F28°C | Low 72°F22°C | Precip 0.07 in1.9 mm23% | Cloud 61% | Wind N 7 mph11 km/h | Monday: Mostly cloudy and warm, with a high of 83°F28°C and morning low of 72°F22°C. Breezy from the N at 8 mph12 km/h. 11% chance of drizzle in the morning. Humid. Monday Night: Mostly cloudy, with a low around 72°F22°C. Light wind from the N around 6 mph9 km/h. 23% chance of showers overnight. | |
| Clear | High 85°F29°C | Low 66°F19°C | Precip 0.03 in0.7 mm5% | Cloud 33% | Wind E 4 mph6 km/h | Tuesday: Partly cloudy and warm, with a high of 85°F29°C and morning low of 66°F19°C. Light wind from the E around 3 mph6 km/h. Tuesday Night: Partly cloudy, with a low around 67°F19°C. Light wind from the E around 4 mph7 km/h. | |
| Hot | High 91°F33°CFeels 97°F36°C | Low 72°F22°C | Precip 0.04 in1.1 mm9% | Cloud 58% | Wind S 7 mph12 km/h | Wednesday: Mostly cloudy and hot, with a high of 91°F33°C and morning low of 72°F22°C — feels like 97°F36°C. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. Heat risk in the afternoon. Wednesday Night: Mostly cloudy, with a low around 72°F22°C. Breezy from the S at 7 mph11 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdayAug 13 | 84°F29°C Feels 90°F32°C | 72°F22°C | 0.11 in2.9 mm· 50% | 88% | Light Rain | SE 5 mph8 km/h | |
DayOvercast and warm, with a high of 84°F29°C and morning low of 73°F23°C — feels like 90°F32°C. Light wind from the SE around 5 mph8 km/h. 50% chance of light rain throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 72°F22°C. Light wind from the ESE around 5 mph8 km/h. 25% chance of drizzle throughout the night. | |||||||
| FridayAug 14 | 88°F31°C Feels 97°F36°C | 73°F23°C | 0.18 in4.5 mm· 38% | 94% | Light Rain | E 6 mph10 km/h | |
DayOvercast and hot, with a high of 88°F31°C and morning low of 73°F23°C — feels like 97°F36°C. Breezy from the ESE at 6 to 7 mph10 to 12 km/h. 36% chance of light rain throughout the day. Heat risk in the afternoon. NightOvercast, with a low around 74°F23°C. Breezy from the E at 6 to 7 mph10 to 11 km/h. 38% chance of light rain throughout the night. | |||||||
| SaturdayAug 15 | 89°F32°C Feels 99°F37°C | 76°F25°C | 0.23 in5.9 mm· 45% | 82% | Light Rain | S 6 mph9 km/h | |
DayOvercast and hot, with a high of 89°F32°C and morning low of 76°F25°C — feels like 99°F37°C. Breezy from the SSW at 6 to 7 mph10 to 11 km/h. 43% chance of light rain throughout the day. Heat risk in the afternoon. NightMostly cloudy, with a low around 77°F25°C. Light wind from the SE around 5 mph8 km/h. 45% chance of light rain overnight. | |||||||
| SundayAug 16 | 93°F34°C Feels 104°F40°C | 79°F26°C | 0.06 in1.5 mm· 17% | 47% | Showers | W 7 mph12 km/h | |
DayPartly cloudy and hot, with a high of 93°F34°C and morning low of 79°F26°C — feels like 104°F40°C. Breezy from the W at 8 mph12 km/h. 13% chance of drizzle in the afternoon. Heat risk in the afternoon. NightPartly cloudy, with a low around 79°F26°C. Breezy from the W at 7 mph11 km/h. 17% chance of showers in the evening. | |||||||
| MondayAug 17 | 83°F28°C | 72°F22°C | 0.07 in1.9 mm· 23% | 61% | Showers | N 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 72°F22°C. Breezy from the N at 8 mph12 km/h. 11% chance of drizzle in the morning. Humid. NightMostly cloudy, with a low around 72°F22°C. Light wind from the N around 6 mph9 km/h. 23% chance of showers overnight. | |||||||
| TuesdayAug 18 | 85°F29°C | 66°F19°C | 0.03 in0.7 mm· 5% | 33% | Clear | E 4 mph6 km/h | |
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 66°F19°C. Light wind from the E around 3 mph6 km/h. NightPartly cloudy, with a low around 67°F19°C. Light wind from the E around 4 mph7 km/h. | |||||||
| WednesdayAug 19 | 91°F33°C Feels 97°F36°C | 72°F22°C | 0.04 in1.1 mm· 9% | 58% | Hot | S 7 mph12 km/h | |
DayMostly cloudy and hot, with a high of 91°F33°C and morning low of 72°F22°C — feels like 97°F36°C. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. Heat risk in the afternoon. NightMostly cloudy, with a low around 72°F22°C. Breezy from the S at 7 mph11 km/h. | |||||||
| ThursdayAug 20 | 87°F30°C Feels 90°F32°C | 73°F23°C | 0.08 in2 mm· 17% | 46% | Showers | NNW 7 mph12 km/h | |
DayMostly cloudy and hot, with a high of 87°F30°C and morning low of 73°F23°C. Breezy from the NW at 8 mph12 km/h. 17% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 75°F24°C. Breezy from the N at 7 to 8 mph11 to 12 km/h. 13% chance of showers throughout the night. | |||||||
| FridayAug 21 | 85°F29°C | 68°F20°C | 0.08 in2.1 mm· 13% | 40% | Drizzle | NNE 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 68°F20°C. Breezy from the N at 7 mph11 km/h. 13% chance of drizzle throughout the day. NightPartly cloudy, with a low around 70°F21°C. Breezy from the NE at 6 to 7 mph10 to 11 km/h. 11% chance of drizzle throughout the night. | |||||||
| SaturdayAug 22 | 86°F30°C | 68°F20°C | 0.06 in1.4 mm· 9% | 37% | Clear | NNE 6 mph10 km/h | |
DayPartly cloudy and hot, with a high of 86°F30°C and morning low of 68°F20°C. Breezy from the W at 7 mph11 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the NE around 6 mph9 km/h. | |||||||
| SundayAug 23 | 86°F30°C | 68°F20°C | 0.05 in1.3 mm· 10% | 37% | Drizzle | NE 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 86°F30°C and morning low of 68°F20°C. Breezy from the N at 7 mph11 km/h. NightPartly cloudy, with a low around 69°F20°C. Light wind from the NE around 6 mph10 km/h. 10% chance of drizzle throughout the night. | |||||||
| MondayAug 24 | 85°F30°C | 67°F20°C | 0.02 in0.6 mm· 5% | 34% | Clear | NE 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 85°F30°C and morning low of 67°F20°C. Breezy from the NE at 7 mph11 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the NE around 6 mph10 km/h. | |||||||
| TuesdayAug 25 | 86°F30°C | 66°F19°C | 0.02 in0.6 mm· 5% | 32% | Clear | ENE 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 86°F30°C and morning low of 66°F19°C. Light wind from the ENE around 6 mph10 km/h. NightPartly cloudy, with a low around 67°F20°C. Light wind from the ENE around 6 mph9 km/h. | |||||||
| WednesdayAug 26 | 87°F30°C | 67°F20°C | 0.03 in0.8 mm· 5% | 36% | Clear | ENE 6 mph10 km/h | |
DayPartly cloudy and hot, with a high of 87°F30°C and morning low of 67°F20°C. Light wind from the NE around 6 mph10 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the ENE around 6 mph9 km/h. | |||||||
| ThursdayAug 27 | 86°F30°C | 67°F20°C | 0.04 in0.9 mm· 12% | 40% | Drizzle | ENE 6 mph10 km/h | |
DayPartly cloudy and hot, with a high of 86°F30°C and morning low of 67°F20°C. Breezy from the ENE at 6 to 7 mph10 to 11 km/h. 12% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Light wind from the E around 6 mph9 km/h. | |||||||
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Coordinates: 39.4831°N, 88.3728°W·Elevation: 224m·Timezone: America/Chicago·Population: 18,113