Current Conditions
Charleston, Illinois
Wind
ESE 4 mph7 km/h
Humidity
96%
Cloud Cover
73%
As of Thursday, August 13, 2026 at 5:22 AM CDT
Today's Outlook
Day
Overcast and warm, with a high of 85°F30°C and morning low of 73°F23°C — feels like 95°F35°C. Light wind from the SE around 5 mph8 km/h. 51% chance of light rain throughout the day. Heavy, humid air.
Night
Overcast, with a low around 72°F22°C. Light wind from the ESE around 5 mph8 km/h. 17% chance of drizzle throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 85°F30°CFeels 94°F35°C | Low 72°F22°C | Precip 0.09 in2.4 mm51% | Cloud 91% | Wind ESE 5 mph8 km/h | Thursday: Overcast and warm, with a high of 85°F30°C and morning low of 73°F23°C — feels like 95°F35°C. Light wind from the SE around 5 mph8 km/h. 51% chance of light rain throughout the day. Heavy, humid air. Thursday Night: Overcast, with a low around 72°F22°C. Light wind from the ESE around 5 mph8 km/h. 17% chance of drizzle throughout the night. | |
| Light Rain | High 88°F31°CFeels 98°F36°C | Low 74°F23°C | Precip 0.12 in3 mm27% | Cloud 91% | Wind E 6 mph10 km/h | Friday: Overcast and hot, with a high of 88°F31°C and morning low of 74°F23°C — feels like 97°F36°C. Breezy from the ESE at 6 to 7 mph9 to 11 km/h. 26% chance of drizzle in the morning. Heat risk in the afternoon. Friday Night: Overcast, with a low around 75°F24°C. Breezy from the E at 6 to 7 mph10 to 12 km/h. 27% chance of light rain throughout the night. | |
| Light Rain | High 89°F32°CFeels 99°F37°C | Low 75°F24°C | Precip 0.19 in4.9 mm43% | Cloud 82% | Wind SSE 6 mph9 km/h | Saturday: Overcast and hot, with a high of 89°F32°C and morning low of 75°F24°C — feels like 99°F37°C. Light wind from the S around 6 mph9 km/h. 35% chance of light rain throughout the day. Heat risk in the afternoon. Saturday Night: Mostly cloudy, with a low around 76°F24°C. Breezy from the ESE at 5 to 7 mph9 to 12 km/h. 43% chance of light rain overnight. | |
| Showers | High 92°F33°CFeels 103°F39°C | Low 79°F26°C | Precip 0.06 in1.6 mm25% | Cloud 57% | Wind W 7 mph11 km/h | Sunday: Mostly cloudy and hot, with a high of 92°F33°C and morning low of 79°F26°C — feels like 102°F39°C. Breezy from the W at 8 mph12 km/h. 13% chance of drizzle in the morning. Heat risk in the afternoon. Sunday Night: Mostly cloudy, with a low around 79°F26°C. Breezy from the W at 7 mph11 km/h. 25% chance of showers throughout the night. | |
| Showers | High 83°F29°CFeels 86°F30°C | Low 72°F22°C | Precip 0.09 in2.3 mm33% | Cloud 57% | Wind NNW 7 mph11 km/h | Monday: Mostly cloudy and warm, with a high of 83°F29°C and morning low of 72°F22°C. Breezy from the NNW at 8 to 9 mph12 to 14 km/h. 12% chance of drizzle in the morning. Humid. Monday Night: Mostly cloudy, with a low around 73°F23°C. Light wind from the NNW around 6 mph9 km/h. 33% chance of showers overnight. | |
| Clear | High 86°F30°C | Low 66°F19°C | Precip 0 in0 mm— | Cloud 29% | Wind ESE 4 mph7 km/h | Tuesday: Partly cloudy and warm, with a high of 86°F30°C and morning low of 66°F19°C. Light wind from the SE around 3 mph6 km/h. Tuesday Night: Partly cloudy, with a low around 67°F19°C. Light wind from the E around 5 mph7 km/h. | |
| Showers | High 90°F32°CFeels 96°F35°C | Low 72°F22°C | Precip 0.12 in3.1 mm19% | Cloud 63% | Wind S 8 mph13 km/h | Wednesday: Mostly cloudy and hot, with a high of 90°F32°C and morning low of 72°F22°C. Breezy from the SSW at 9 to 10 mph14 to 16 km/h. 19% chance of showers throughout the day. Heat risk in the afternoon. Wednesday Night: Mostly cloudy, with a low around 72°F22°C. Breezy from the S at 7 to 8 mph12 to 12 km/h. 17% chance of showers throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdayAug 13 | 85°F30°C Feels 94°F35°C | 72°F22°C | 0.09 in2.4 mm· 51% | 91% | Light Rain | ESE 5 mph8 km/h | |
DayOvercast and warm, with a high of 85°F30°C and morning low of 73°F23°C — feels like 95°F35°C. Light wind from the SE around 5 mph8 km/h. 51% chance of light rain throughout the day. Heavy, humid air. NightOvercast, with a low around 72°F22°C. Light wind from the ESE around 5 mph8 km/h. 17% chance of drizzle throughout the night. | |||||||
| FridayAug 14 | 88°F31°C Feels 98°F36°C | 74°F23°C | 0.12 in3 mm· 27% | 91% | Light Rain | E 6 mph10 km/h | |
DayOvercast and hot, with a high of 88°F31°C and morning low of 74°F23°C — feels like 97°F36°C. Breezy from the ESE at 6 to 7 mph9 to 11 km/h. 26% chance of drizzle in the morning. Heat risk in the afternoon. NightOvercast, with a low around 75°F24°C. Breezy from the E at 6 to 7 mph10 to 12 km/h. 27% chance of light rain throughout the night. | |||||||
| SaturdayAug 15 | 89°F32°C Feels 99°F37°C | 75°F24°C | 0.19 in4.9 mm· 43% | 82% | Light Rain | SSE 6 mph9 km/h | |
DayOvercast and hot, with a high of 89°F32°C and morning low of 75°F24°C — feels like 99°F37°C. Light wind from the S around 6 mph9 km/h. 35% chance of light rain throughout the day. Heat risk in the afternoon. NightMostly cloudy, with a low around 76°F24°C. Breezy from the ESE at 5 to 7 mph9 to 12 km/h. 43% chance of light rain overnight. | |||||||
| SundayAug 16 | 92°F33°C Feels 103°F39°C | 79°F26°C | 0.06 in1.6 mm· 25% | 57% | Showers | W 7 mph11 km/h | |
DayMostly cloudy and hot, with a high of 92°F33°C and morning low of 79°F26°C — feels like 102°F39°C. Breezy from the W at 8 mph12 km/h. 13% chance of drizzle in the morning. Heat risk in the afternoon. NightMostly cloudy, with a low around 79°F26°C. Breezy from the W at 7 mph11 km/h. 25% chance of showers throughout the night. | |||||||
| MondayAug 17 | 83°F29°C Feels 86°F30°C | 72°F22°C | 0.09 in2.3 mm· 33% | 57% | Showers | NNW 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 83°F29°C and morning low of 72°F22°C. Breezy from the NNW at 8 to 9 mph12 to 14 km/h. 12% chance of drizzle in the morning. Humid. NightMostly cloudy, with a low around 73°F23°C. Light wind from the NNW around 6 mph9 km/h. 33% chance of showers overnight. | |||||||
| TuesdayAug 18 | 86°F30°C | 66°F19°C | 0 in0 mm· — | 29% | Clear | ESE 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 86°F30°C and morning low of 66°F19°C. Light wind from the SE around 3 mph6 km/h. NightPartly cloudy, with a low around 67°F19°C. Light wind from the E around 5 mph7 km/h. | |||||||
| WednesdayAug 19 | 90°F32°C Feels 96°F35°C | 72°F22°C | 0.12 in3.1 mm· 19% | 63% | Showers | S 8 mph13 km/h | |
DayMostly cloudy and hot, with a high of 90°F32°C and morning low of 72°F22°C. Breezy from the SSW at 9 to 10 mph14 to 16 km/h. 19% chance of showers throughout the day. Heat risk in the afternoon. NightMostly cloudy, with a low around 72°F22°C. Breezy from the S at 7 to 8 mph12 to 12 km/h. 17% chance of showers throughout the night. | |||||||
| ThursdayAug 20 | 84°F29°C | 71°F21°C | 0.06 in1.6 mm· 13% | 47% | Showers | NNW 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 71°F21°C. Breezy from the NNW at 8 mph12 km/h. Humid. NightPartly cloudy, with a low around 72°F22°C. Breezy from the N at 7 mph11 km/h. 13% chance of showers throughout the night. | |||||||
| FridayAug 21 | 82°F28°C | 65°F19°C | 0.07 in1.9 mm· 11% | 44% | Drizzle | NNE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 82°F28°C and morning low of 65°F19°C. Breezy from the NNE at 6 to 7 mph10 to 11 km/h. 11% chance of drizzle throughout the day. NightPartly cloudy, with a low around 66°F19°C. Light wind from the NE around 6 mph9 km/h. 11% chance of drizzle throughout the night. | |||||||
| SaturdayAug 22 | 84°F29°C | 65°F19°C | 0.06 in1.5 mm· 10% | 36% | Drizzle | NE 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 65°F19°C. Light wind from the NNE around 6 mph10 km/h. 10% chance of drizzle throughout the day. NightPartly cloudy, with a low around 66°F19°C. Light wind from the NE around 5 mph9 km/h. | |||||||
| SundayAug 23 | 85°F30°C | 66°F19°C | 0.04 in1 mm· 9% | 34% | Clear | ENE 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 85°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 66°F19°C. Light wind from the ENE around 6 mph9 km/h. | |||||||
| MondayAug 24 | 86°F30°C | 66°F19°C | 0.03 in0.8 mm· 5% | 29% | Clear | ENE 6 mph9 km/h | |
DayPartly cloudy and hot, 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°F19°C. Light wind from the ENE around 6 mph9 km/h. | |||||||
| TuesdayAug 25 | 88°F31°C | 67°F19°C | 0.02 in0.4 mm· 4% | 31% | Clear | E 6 mph9 km/h | |
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 67°F19°C. Light wind from the E around 6 mph10 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the E around 6 mph9 km/h. | |||||||
| WednesdayAug 26 | 89°F32°C | 68°F20°C | 0.02 in0.4 mm· 6% | 33% | Clear | E 6 mph9 km/h | |
DayPartly cloudy and hot, with a high of 89°F32°C and morning low of 68°F20°C. Light wind from the SE around 6 mph10 km/h. NightPartly cloudy, with a low around 69°F21°C. Light wind from the E around 6 mph9 km/h. | |||||||
| ThursdayAug 27 | 88°F31°C | 69°F20°C | 0.04 in1 mm· 8% | 45% | Partly Cloudy | E 6 mph10 km/h | |
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 69°F20°C. Breezy from the ENE at 6 to 7 mph10 to 11 km/h. NightPartly cloudy, with a low around 70°F21°C. Light wind from the E around 6 mph10 km/h. | |||||||
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About This Forecast
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Coordinates: 39.4962°N, 88.1762°W·Elevation: 204m·Timezone: America/Chicago·Population: 21,196