Current Conditions
Frankfort, Illinois
Wind
SSW 7 mph11 km/h
Humidity
67%
Cloud Cover
92%
As of Wednesday, September 9, 2026 at 12:59 AM CDT
Today's Outlook
Day
Overcast and warm, with a high of 80°F27°C and morning low of 72°F22°C. Breezy from the WSW at 7 to 9 mph11 to 14 km/h. 82% chance of light rain throughout the day. Humid.
Night
Mostly cloudy, with a low around 73°F23°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 80°F27°C | Low 72°F22°C | Precip 0.16 in4 mm82% | Cloud 85% | Wind WSW 6 mph10 km/h | Wednesday: Overcast and warm, with a high of 80°F27°C and morning low of 72°F22°C. Breezy from the WSW at 7 to 9 mph11 to 14 km/h. 82% chance of light rain throughout the day. Humid. Wednesday Night: Mostly cloudy, with a low around 73°F23°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. | |
| Drizzle | High 77°F25°C | Low 64°F18°C | Precip 0.02 in0.5 mm13% | Cloud 79% | Wind NNE 5 mph9 km/h | Thursday: Overcast and warm, with a high of 77°F25°C and morning low of 68°F20°C. Light wind from the NNE around 5 mph8 km/h. 13% chance of drizzle in the morning. Thursday Night: Mostly cloudy, with a low around 64°F18°C. Light wind from the N around 6 mph9 km/h. | |
| Clear | High 82°F28°C | Low 58°F14°C | Precip 0.01 in0.2 mm3% | Cloud 25% | Wind SE 5 mph8 km/h | Friday: Partly cloudy and warm, with a high of 82°F28°C and morning low of 58°F14°C. Light wind from the SE around 5 mph8 km/h. Friday Night: Mostly clear, with a low around 59°F15°C. Light wind from the ESE around 5 mph8 km/h. | |
| Drizzle | High 85°F30°C | Low 65°F18°C | Precip 0.03 in0.8 mm16% | Cloud 49% | Wind SW 7 mph11 km/h | Saturday: Mostly cloudy and warm, with a high of 85°F30°C and morning low of 65°F18°C. Breezy from the SW at 8 to 9 mph12 to 15 km/h. 16% chance of drizzle in the afternoon. Humid. Saturday Night: Partly cloudy, with a low around 65°F19°C. Light wind from the SSW around 6 mph9 km/h. 15% chance of drizzle in the evening. | |
| Clear | High 77°F25°C | Low 63°F17°C | Precip 0.04 in1 mm9% | Cloud 37% | Wind N 7 mph11 km/h | Sunday: Partly cloudy and warm, with a high of 77°F25°C and morning low of 64°F18°C. Breezy from the N at 7 to 8 mph12 to 13 km/h. Sunday Night: Partly cloudy, with a low around 63°F17°C. Light wind from the N around 6 mph10 km/h. | |
| Drizzle | High 80°F27°C | Low 59°F15°C | Precip 0.08 in2.1 mm18% | Cloud 55% | Wind SE 9 mph14 km/h | Monday: Mostly cloudy and warm, with a high of 80°F27°C and morning low of 59°F15°C. Breezy from the SE at 9 to 11 mph14 to 18 km/h. 18% chance of drizzle throughout the day. Monday Night: Partly cloudy, with a low around 60°F15°C. Breezy from the SSE at 9 to 13 mph14 to 21 km/h. | |
| Showers | High 84°F29°C | Low 70°F21°C | Precip 0.16 in4.1 mm36% | Cloud 70% | Wind SSW 10 mph16 km/h | Tuesday: Mostly cloudy and warm, with a high of 84°F29°C and morning low of 70°F21°C. Breezy from the SW at 11 mph17 km/h. 24% chance of showers throughout the day. Tuesday Night: Mostly cloudy, with a low around 72°F22°C. Breezy from the SSW at 10 to 13 mph15 to 21 km/h. 36% chance of light rain throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 9 | 80°F27°C | 72°F22°C | 0.16 in4 mm· 82% | 85% | Light Rain | WSW 6 mph10 km/h | |
DayOvercast and warm, with a high of 80°F27°C and morning low of 72°F22°C. Breezy from the WSW at 7 to 9 mph11 to 14 km/h. 82% chance of light rain throughout the day. Humid. NightMostly cloudy, with a low around 73°F23°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. | |||||||
| ThursdaySep 10 | 77°F25°C | 64°F18°C | 0.02 in0.5 mm· 13% | 79% | Drizzle | NNE 5 mph9 km/h | |
DayOvercast and warm, with a high of 77°F25°C and morning low of 68°F20°C. Light wind from the NNE around 5 mph8 km/h. 13% chance of drizzle in the morning. NightMostly cloudy, with a low around 64°F18°C. Light wind from the N around 6 mph9 km/h. | |||||||
| FridaySep 11 | 82°F28°C | 58°F14°C | 0.01 in0.2 mm· 3% | 25% | Clear | SE 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 58°F14°C. Light wind from the SE around 5 mph8 km/h. NightMostly clear, with a low around 59°F15°C. Light wind from the ESE around 5 mph8 km/h. | |||||||
| SaturdaySep 12 | 85°F30°C | 65°F18°C | 0.03 in0.8 mm· 16% | 49% | Drizzle | SW 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 85°F30°C and morning low of 65°F18°C. Breezy from the SW at 8 to 9 mph12 to 15 km/h. 16% chance of drizzle in the afternoon. Humid. NightPartly cloudy, with a low around 65°F19°C. Light wind from the SSW around 6 mph9 km/h. 15% chance of drizzle in the evening. | |||||||
| SundaySep 13 | 77°F25°C | 63°F17°C | 0.04 in1 mm· 9% | 37% | Clear | N 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 77°F25°C and morning low of 64°F18°C. Breezy from the N at 7 to 8 mph12 to 13 km/h. NightPartly cloudy, with a low around 63°F17°C. Light wind from the N around 6 mph10 km/h. | |||||||
| MondaySep 14 | 80°F27°C | 59°F15°C | 0.08 in2.1 mm· 18% | 55% | Drizzle | SE 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 59°F15°C. Breezy from the SE at 9 to 11 mph14 to 18 km/h. 18% chance of drizzle throughout the day. NightPartly cloudy, with a low around 60°F15°C. Breezy from the SSE at 9 to 13 mph14 to 21 km/h. | |||||||
| TuesdaySep 15 | 84°F29°C | 70°F21°C | 0.16 in4.1 mm· 36% | 70% | Showers | SSW 10 mph16 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 70°F21°C. Breezy from the SW at 11 mph17 km/h. 24% chance of showers throughout the day. NightMostly cloudy, with a low around 72°F22°C. Breezy from the SSW at 10 to 13 mph15 to 21 km/h. 36% chance of light rain throughout the night. | |||||||
| WednesdaySep 16 | 80°F27°C | 66°F19°C | 0.27 in6.9 mm· 38% | 69% | Showers | ESE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 66°F19°C. Breezy from the ESE at 6 to 7 mph10 to 11 km/h. 32% chance of light rain throughout the day. NightMostly cloudy, with a low around 68°F20°C. Breezy from the E at 6 to 7 mph10 to 11 km/h. 38% chance of showers throughout the night. | |||||||
| ThursdaySep 17 | 84°F29°C | 69°F21°C | 0.18 in4.6 mm· 22% | 50% | Showers | SSW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 69°F21°C. Breezy from the SW at 9 to 10 mph15 to 17 km/h. 22% chance of showers throughout the day. Humid. NightPartly cloudy, with a low around 70°F21°C. Breezy from the S at 8 to 9 mph13 to 14 km/h. 22% chance of showers throughout the night. | |||||||
| FridaySep 18 | 78°F26°C | 65°F19°C | 0.15 in3.7 mm· 21% | 48% | Showers | WSW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 65°F19°C. Breezy from the W at 9 to 10 mph15 to 16 km/h. 17% chance of drizzle throughout the day. NightPartly cloudy, with a low around 66°F19°C. Breezy from the WSW at 8 to 9 mph13 to 14 km/h. 21% chance of showers throughout the night. | |||||||
| SaturdaySep 19 | 73°F23°C | 60°F15°C | 0.2 in5.2 mm· 23% | 55% | Showers | WNW 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 60°F15°C. Breezy from the W at 8 to 9 mph14 to 15 km/h. 23% chance of showers throughout the day. NightMostly cloudy, with a low around 61°F16°C. Breezy from the WNW at 7 to 8 mph12 to 12 km/h. 23% chance of showers throughout the night. | |||||||
| SundaySep 20 | 69°F20°C | 55°F13°C | 0.15 in3.8 mm· 21% | 53% | Showers | N 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 69°F20°C and morning low of 55°F13°C. Breezy from the N at 9 mph14 km/h. 17% chance of showers throughout the day. Dry air. NightMostly cloudy, with a low around 57°F14°C. Breezy from the N at 7 to 8 mph12 to 13 km/h. 21% chance of showers throughout the night. | |||||||
| MondaySep 21 | 69°F20°C | 53°F12°C | 0.08 in2.1 mm· 13% | 51% | Drizzle | NE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 69°F20°C and morning low of 53°F12°C. Breezy from the NE at 7 to 8 mph11 to 13 km/h. 13% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 54°F12°C. Breezy from the NE at 6 to 7 mph10 to 11 km/h. 11% chance of drizzle throughout the night. | |||||||
| TuesdaySep 22 | 71°F21°C | 53°F12°C | 0.08 in2.1 mm· 13% | 56% | Drizzle | E 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 71°F21°C and morning low of 53°F12°C. Breezy from the E at 8 mph12 km/h. 12% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 54°F12°C. Breezy from the E at 7 mph11 km/h. 13% chance of drizzle throughout the night. | |||||||
| WednesdaySep 23 | 71°F22°C | 54°F12°C | 0.13 in3.4 mm· 15% | 58% | Showers | ESE 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 71°F22°C and morning low of 54°F12°C. Breezy from the ESE at 8 to 9 mph12 to 14 km/h. 15% chance of showers throughout the day. NightMostly cloudy, with a low around 56°F13°C. Breezy from the ESE at 7 mph11 km/h. 15% chance of drizzle throughout the night. | |||||||
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Coordinates: 41.4959°N, 87.8487°W·Elevation: 232m·Timezone: America/Chicago·Population: 18,653