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Grantfork, IL Weather Forecast
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Grantfork Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT |
 |  |  |  | | | | | | | |  |
| Patchy Drizzle | Clearing | Clear | Sunny | Clear | Clear | Clear | Clear | Clear | Mostly Clear | Mostly Sunny | Chance of Rain |
| Lo: 49°FLo: 9°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C Lo: 41°FLo: 5°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 147 AM CST Fri Nov 06 2026 
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Issued: 328 AM CST Fri Nov 6 2026
Key Messages
- A Freeze Warning goes into effect late Friday night as low temperatures drop near and just below freezing through early Saturday morning.
- Dry conditions are favored through much of the week with seasonably cool temperatures moderating to above normal Monday through Wednesday.
Aviation
/00Z TAFS THROUGH 06Z SATURDAY/... Issued at 955 PM CST Thu Nov 5 2026
MVFR ceilings below 2 kft will remain through the night and into Friday morning. During the day, clouds are expected to lift and scatt...