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Defiance, MO 63073 Weather
It is 71°F and haze in Defiance, MO 63073, observed at 9:54 AM CDT. Today: Mostly Sunny, high 80°F, low 57°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).
Defiance, MO 63073 current weather
71°F
Haze
H 80° / L 57°Feels like 70°
Observed at St. Louis, Spirit Of St. Louis Airport (6.7 mi away), 10/29/2026, 9:54 AM CDT
10-day forecast
Tap a day for details
Today10/2913% chance of precipitationLow 57°High 80°
Today: Mostly sunny, with a high near 80. West wind 1 to 5 mph.
Tonight: Mostly cloudy, with a low around 57. Northeast wind around 2 mph.
Mostly SunnyFri10/30Low 59°High 77°
Friday: Partly sunny, with a high near 77. East wind around 3 mph.
Friday Night: Mostly cloudy, with a low around 59. Southeast wind around 2 mph.
Partly SunnySat10/3137% chance of precipitationLow 56°High 71°
Saturday: Cloudy, with a high near 71. East wind around 2 mph.
Saturday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
CloudySun11/125% chance of precipitationLow 54°High 71°
Sunday: A slight chance of rain showers before noon. Partly sunny, with a high near 71. Chance of precipitation is 20%.
Sunday Night: A chance of rain showers after midnight. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Slight Chance Rain Showers then Partly SunnyMon11/257% chance of precipitationLow 57°High 71°
Monday: A chance of rain showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Monday Night: Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Chance Rain ShowersTue11/367% chance of precipitationLow 52°High 71°
Tuesday: Rain showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Rain Showers LikelyWed11/448% chance of precipitationLow 45°High 68°
Wednesday: A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 68. Chance of precipitation is 50%.
Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Chance Rain ShowersThu11/5Model blend22% chance of precipitationLow 39°High 65°
Thursday: Partly cloudy, slight chance of rain. High near 65°. Low that night near 39°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Fri11/6Model blend11% chance of precipitationLow 36°High 61°
Friday: Partly cloudy. High near 61°. Low that night near 36°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Sat11/7Model blend10% chance of precipitationLow 37°High 64°
Saturday: Partly cloudy. High near 64°. Low that night near 37°. About 0.02 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Forecast for 38.596, -90.752 from the NWS LSX office, updated 10/29/2026, 7:21 AM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KSUS (St Louis/Spirit of St Louis Arpt, 7 mi), model run 10/29/2026, 9:00 AM CDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the weather in Defiance, MO 63073 right now?
- The latest observation from St. Louis, Spirit Of St. Louis Airport was 71°F and haze, reported at 10/29/2026, 9:54 AM CDT.
- What is the high temperature today in Defiance, MO 63073?
- The National Weather Service forecast for today calls for a high near 80°F. Mostly Sunny.
- What is the 10-day forecast for Defiance, MO 63073?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 61°F to 65°F. Model guidance this far out often changes.
- What time is sunrise and sunset in Defiance, MO 63073 today?
- Sunrise is about 7:26 AM CDT and sunset is about 6:06 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Defiance, MO 63073?
- At St Louis Sprt of S L AP, the 1991 to 2020 normal high in October is 70°F and the normal low is 45°F.
Nearby hazards
Missouri hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:General thunderstormsOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage: None reported
- Active wildfires within 50 miles: None reported
UV and air quality forecast
EPA and AirNow
- AQI forecast today (St. Louis (Metro-east))
- ModeratePM2.5
- AQI forecast tomorrow (St. Louis (Metro-east))
- GoodPM2.5
Drought
By countyFranklin County, week of 10/20/2026
30% of the county is in moderate drought or worse.
Sun and moon
Local time, center of the area
- Sunrise
- 7:26 AM
- Sunset
- 6:06 PM
- Daylight
- 10 hr 40 min
- Moon
- Waning Gibbous 87% lit
- First light (civil dawn)
- 6:59 AM
- Last light (civil dusk)
- 6:33 PM
- Moonrise
- 8:39 PM
- Moonset
- 11:37 AM
Normal October weather
ClimateNormal October high 70°, low 45°, precipitation 3.10 in for the month. 1991 to 2020 normals at St Louis Sprt of S L AP, 7 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- National Blend of Models (NBM) text guidanceNOAA National Weather Service
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- Hazard Mapping System Smoke AnalysisNOAA NESDIS Office of Satellite and Product Operations
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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About this data
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
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