Weather World
City of Sullivan, MOSullivan, MO Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Sullivan Weather Forecast
| THIS AFTERNOON | TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  | | | |  | |  |  |  |  | |
| Sunny | Clearing | Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 95°FHi: 35°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C |
| POP: 70% | POP: 70% | POP: 20% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1128 AM CDT Sun Sep 06 2026 
Sullivan Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Sullivan Weather Map
Sullivan Quick Facts
Sullivan Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1225 PM CDT Sun Sep 6 2026
Key Messages
- Another day of heat index values around 100 F is forecast for central and southeastern MO, but cooler temperatures and lower humidity will arrive elsewhere today, becoming areawide by Monday.
- Heat and near-record breaking temperatures will briefly return Tuesday into Wednesday.
Aviation
/18Z TAFS THROUGH 00Z TUESDAY/... Issued at 1222 PM CDT Sun Sep 6 2026
The NW-SE oriented stratus is quickly scattering as low-level dry air is advecting in from the northeast. VFR conditions are expecte...