Current Conditions
Belleville, Illinois
Wind
NE 4 mph6 km/h
Humidity
39%
Cloud Cover
94%
As of Thursday, July 23, 2026 at 3:39 PM CDT
Today's Outlook
Day
Overcast and warm, with a high of 81°F27°C. Light wind from the NE around 4 mph6 km/h.
Night
Overcast, with a low around 73°F23°C. Light wind from the ENE around 4 mph7 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| ThursdayJul 23 | Cloudy | High 81°F27°C | Low 73°F23°C | Precip 0 in0 mm— | Cloud 90% | Wind ENE 4 mph6 km/h | Thursday: Overcast and warm, with a high of 81°F27°C. Light wind from the NE around 4 mph6 km/h. Thursday Night: Overcast, with a low around 73°F23°C. Light wind from the ENE around 4 mph7 km/h. |
| FridayJul 24 | Light Rain | High 74°F24°C | Low 68°F20°C | Precip 0.2 in5.1 mm87% | Cloud 87% | Wind SE 4 mph6 km/h | Friday: Overcast and warm, with a high of 74°F24°C and morning low of 68°F20°C. Light wind from the SSE around 3 mph5 km/h. 87% chance of light rain throughout the day. Friday Night: Mostly cloudy, with a low around 69°F20°C. Light wind from the ESE around 4 mph7 km/h. 66% chance of light rain in the evening. |
| SaturdayJul 25 | Showers | High 89°F31°CFeels 98°F37°C | Low 69°F20°C | Precip 0.14 in3.6 mm68% | Cloud 64% | Wind S 4 mph7 km/h | Saturday: Mostly cloudy and hot, with a high of 89°F31°C and morning low of 69°F21°C — feels like 99°F37°C. Light wind from the S around 4 mph6 km/h. 68% chance of light rain throughout the day. Heat risk in the afternoon. Saturday Night: Mostly cloudy, with a low around 69°F20°C. Light wind from the SSE around 4 mph7 km/h. 63% chance of showers overnight. |
| SundayJul 26 | Hot | High 99°F37°CFeels 112°F44°C | Low 77°F25°C | Precip 0.01 in0.2 mm6% | Cloud 46% | Wind SSW 4 mph7 km/h | Sunday: Mostly cloudy and hot, with a high of 99°F37°C and morning low of 77°F25°C — feels like 111°F44°C. Light wind from the SW around 4 mph6 km/h. Heat risk in the afternoon. Sunday Night: Partly cloudy, with a low around 77°F25°C. Light wind from the S around 5 mph8 km/h. |
| MondayJul 27 | Hot | High 98°F37°CFeels 107°F42°C | Low 80°F27°C | Precip 0.02 in0.5 mm9% | Cloud 48% | Wind SW 7 mph11 km/h | Monday: Mostly cloudy and hot, with a high of 98°F37°C and morning low of 80°F27°C — feels like 108°F42°C. Breezy from the SW at 7 to 9 mph12 to 15 km/h. Heat risk in the afternoon. Monday Night: Partly cloudy, with a low around 82°F28°C. Breezy from the SSW at 7 to 8 mph11 to 12 km/h. |
| TuesdayJul 28 | Drizzle | High 97°F36°CFeels 103°F40°C | Low 81°F27°CFeels 86°F30°C | Precip 0.02 in0.6 mm10% | Cloud 30% | Wind NW 7 mph11 km/h | Tuesday: Partly cloudy and hot, with a high of 97°F36°C and morning low of 81°F27°C — feels like 104°F40°C. Breezy from the NW at 7 to 8 mph12 to 13 km/h. 10% chance of drizzle in the afternoon. Heat risk in the afternoon. Tuesday Night: Partly cloudy, with a low around 82°F28°C. Breezy from the WNW at 7 to 8 mph11 to 13 km/h. |
| WednesdayJul 29 | Clear | High 93°F34°C | Low 75°F24°C | Precip 0 in0.1 mm3% | Cloud 18% | Wind NE 6 mph9 km/h | Wednesday: Mostly clear and hot, with a high of 93°F34°C and morning low of 75°F24°C. Light wind from the NE around 5 mph9 km/h. Humid. Wednesday Night: Mostly clear, with a low around 77°F25°C. Light wind from the NE around 6 mph9 km/h. |
15-Day Forecast
| Day | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Condition | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| ThursdayJul 23 | 81°F27°C | 73°F23°C | 0 in0 mm· — | 90% | Cloudy | ENE 4 mph6 km/h | |
DayOvercast and warm, with a high of 81°F27°C. Light wind from the NE around 4 mph6 km/h. NightOvercast, with a low around 73°F23°C. Light wind from the ENE around 4 mph7 km/h. | |||||||
| FridayJul 24 | 74°F24°C | 68°F20°C | 0.2 in5.1 mm· 87% | 87% | Light Rain | SE 4 mph6 km/h | |
DayOvercast and warm, with a high of 74°F24°C and morning low of 68°F20°C. Light wind from the SSE around 3 mph5 km/h. 87% chance of light rain throughout the day. NightMostly cloudy, with a low around 69°F20°C. Light wind from the ESE around 4 mph7 km/h. 66% chance of light rain in the evening. | |||||||
| SaturdayJul 25 | 89°F31°C Feels 98°F37°C | 69°F20°C | 0.14 in3.6 mm· 68% | 64% | Showers | S 4 mph7 km/h | |
DayMostly cloudy and hot, with a high of 89°F31°C and morning low of 69°F21°C — feels like 99°F37°C. Light wind from the S around 4 mph6 km/h. 68% chance of light rain throughout the day. Heat risk in the afternoon. NightMostly cloudy, with a low around 69°F20°C. Light wind from the SSE around 4 mph7 km/h. 63% chance of showers overnight. | |||||||
| SundayJul 26 | 99°F37°C Feels 112°F44°C | 77°F25°C | 0.01 in0.2 mm· 6% | 46% | Hot | SSW 4 mph7 km/h | |
DayMostly cloudy and hot, with a high of 99°F37°C and morning low of 77°F25°C — feels like 111°F44°C. Light wind from the SW around 4 mph6 km/h. Heat risk in the afternoon. NightPartly cloudy, with a low around 77°F25°C. Light wind from the S around 5 mph8 km/h. | |||||||
| MondayJul 27 | 98°F37°C Feels 107°F42°C | 80°F27°C | 0.02 in0.5 mm· 9% | 48% | Hot | SW 7 mph11 km/h | |
DayMostly cloudy and hot, with a high of 98°F37°C and morning low of 80°F27°C — feels like 108°F42°C. Breezy from the SW at 7 to 9 mph12 to 15 km/h. Heat risk in the afternoon. NightPartly cloudy, with a low around 82°F28°C. Breezy from the SSW at 7 to 8 mph11 to 12 km/h. | |||||||
| TuesdayJul 28 | 97°F36°C Feels 103°F40°C | 81°F27°C Feels 86°F30°C | 0.02 in0.6 mm· 10% | 30% | Drizzle | NW 7 mph11 km/h | |
DayPartly cloudy and hot, with a high of 97°F36°C and morning low of 81°F27°C — feels like 104°F40°C. Breezy from the NW at 7 to 8 mph12 to 13 km/h. 10% chance of drizzle in the afternoon. Heat risk in the afternoon. NightPartly cloudy, with a low around 82°F28°C. Breezy from the WNW at 7 to 8 mph11 to 13 km/h. | |||||||
| WednesdayJul 29 | 93°F34°C | 75°F24°C | 0 in0.1 mm· 3% | 18% | Clear | NE 6 mph9 km/h | |
DayMostly clear and hot, with a high of 93°F34°C and morning low of 75°F24°C. Light wind from the NE around 5 mph9 km/h. Humid. NightMostly clear, with a low around 77°F25°C. Light wind from the NE around 6 mph9 km/h. | |||||||
| ThursdayJul 30 | 93°F34°C | 73°F23°C | 0.04 in1 mm· 12% | 25% | Drizzle | E 5 mph8 km/h | |
DayPartly cloudy and hot, with a high of 93°F34°C and morning low of 73°F23°C. Light wind from the ESE around 5 mph8 km/h. 10% chance of drizzle in the afternoon. NightMostly clear, with a low around 74°F23°C. Light wind from the E around 5 mph8 km/h. 12% chance of drizzle in the evening. | |||||||
| FridayJul 31 | 93°F34°C | 73°F23°C | 0.08 in2 mm· 12% | 34% | Drizzle | SSE 5 mph8 km/h | |
DayPartly cloudy and hot, with a high of 93°F34°C and morning low of 73°F23°C. Light wind from the SW around 5 mph8 km/h. 12% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 74°F24°C. Light wind from the SE around 5 mph8 km/h. 12% chance of drizzle throughout the night. | |||||||
| SaturdayAug 1 | 93°F34°C | 74°F23°C | 0.06 in1.4 mm· 16% | 33% | Drizzle | NNW 5 mph8 km/h | |
DayPartly cloudy and hot, with a high of 93°F34°C and morning low of 74°F23°C. Light wind from the NW around 5 mph8 km/h. 14% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 75°F24°C. Light wind from the ESE around 5 mph8 km/h. 16% chance of drizzle throughout the night. | |||||||
| SundayAug 2 | 93°F34°C | 73°F23°C | 0.05 in1.3 mm· 18% | 41% | Drizzle | S 6 mph9 km/h | |
DayPartly cloudy and hot, with a high of 93°F34°C and morning low of 73°F23°C. Light wind from the S around 6 mph9 km/h. Humid. NightPartly cloudy, with a low around 74°F24°C. Light wind from the SSE around 6 mph9 km/h. 18% chance of drizzle throughout the night. | |||||||
| MondayAug 3 | 93°F34°C | 74°F23°C | 0.08 in2.1 mm· 20% | 45% | Drizzle | S 6 mph10 km/h | |
DayPartly cloudy and hot, with a high of 93°F34°C and morning low of 74°F23°C. Breezy from the SSW at 6 to 7 mph10 to 11 km/h. 15% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 75°F24°C. Breezy from the S at 6 to 7 mph10 to 11 km/h. 20% chance of drizzle throughout the night. | |||||||
| TuesdayAug 4 | 92°F33°C Feels 95°F35°C | 75°F24°C | 0.11 in2.7 mm· 18% | 52% | Showers | SSW 7 mph11 km/h | |
DayMostly cloudy and hot, with a high of 92°F33°C and morning low of 75°F24°C. Breezy from the SW at 7 mph11 km/h. 17% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 76°F25°C. Breezy from the S at 6 to 7 mph10 to 11 km/h. 18% chance of showers throughout the night. | |||||||
| WednesdayAug 5 | 91°F33°C | 74°F23°C | 0.11 in2.8 mm· 15% | 49% | Drizzle | SW 6 mph10 km/h | |
DayMostly cloudy and hot, with a high of 91°F33°C and morning low of 74°F23°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. 15% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 75°F24°C. Breezy from the SSW at 6 to 7 mph10 to 11 km/h. 14% chance of drizzle throughout the night. | |||||||
| ThursdayAug 6 | 89°F32°C | 73°F23°C | 0.09 in2.3 mm· 22% | 50% | Drizzle | SW 6 mph10 km/h | |
DayMostly cloudy and hot, with a high of 89°F32°C and morning low of 73°F23°C. Light wind from the WSW around 6 mph10 km/h. 22% chance of drizzle throughout the day. Humid. NightPartly cloudy, with a low around 74°F23°C. Light wind from the S around 6 mph9 km/h. 20% chance of drizzle throughout the night. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 38.5200°N, 89.9840°W·Elevation: 157m·Timezone: America/Chicago·Population: 42,034