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Old Monroe, MO Weather
It is 61°F and clear in Old Monroe, MO, observed at 4:20 AM CDT. Today: Slight Chance Rain Showers then Partly Sunny, high 74°F, low 56°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).
Old Monroe, MO current weather
61°F
Clear
H 74° / L 56°Feels like 61°
Observed at St. Charles, St. Charles County Smartt Airport (16.9 mi away), 10/30/2026, 4:20 AM CDT
10-day forecast
Tap a day for details
Today10/3026% chance of precipitationLow 56°High 74°
Friday: A slight chance of rain showers between 7am and noon. Partly sunny, with a high near 74. East wind around 7 mph. Chance of precipitation is 30%.
Overnight: Partly cloudy, with a low around 56. Northeast wind around 3 mph. Chance of precipitation is 20%.
Slight Chance Rain Showers then Partly SunnySat10/3132% chance of precipitationLow 55°High 74°
Saturday: A chance of rain showers after 7am. Cloudy, with a high near 74. East wind 1 to 6 mph.
Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 55. East wind around 5 mph. Chance of precipitation is 30%.
Chance Rain ShowersSun11/135% chance of precipitationLow 55°High 71°
Sunday: A chance of rain showers before noon. Mostly cloudy. High near 71, with temperatures falling to around 67 in the afternoon. Chance of precipitation is 40%.
Sunday Night: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.
Chance Rain Showers then Mostly CloudyMon11/258% chance of precipitationLow 59°High 72°
Monday: A chance of rain showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Monday Night: Rain showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Chance Rain ShowersTue11/362% chance of precipitationLow 52°High 73°
Tuesday: Rain showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Rain Showers LikelyWed11/438% chance of precipitationLow 46°High 68°
Wednesday: A chance of rain showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Wednesday Night: A slight chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.
Chance Rain ShowersThu11/518% chance of precipitationLow High 67°
Thursday: A slight chance of rain showers before noon. Mostly sunny, with a high near 67. Chance of precipitation is 20%.
Slight Chance Rain Showers then Mostly SunnyFri11/6Model blend10% chance of precipitationLow 37°High 63°
Friday: Partly cloudy. High near 63°. Low that night near 37°.
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 0.01 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.
Sun11/8Model blend12% chance of precipitationLow 38°High 64°
Sunday: Partly cloudy. High near 64°. Low that night near 38°. About 0.03 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 38.945, -90.747 from the NWS LSX office, updated 10/29/2026, 11:26 PM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KSUS (St Louis/Spirit of St Louis Arpt, 20 mi), model run 10/30/2026, 3:00 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 Old Monroe, MO right now?
- The latest observation from St. Charles, St. Charles County Smartt Airport was 61°F and clear, reported at 10/30/2026, 4:20 AM CDT.
- What is the high temperature today in Old Monroe, MO?
- The National Weather Service forecast for friday calls for a high near 74°F. Slight Chance Rain Showers then Partly Sunny.
- What is the 10-day forecast for Old Monroe, MO?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 63°F to 64°F. Model guidance this far out often changes.
- What time is sunrise and sunset in Old Monroe, MO today?
- Sunrise is about 7:28 AM CDT and sunset is about 6:04 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Old Monroe, MO?
- At Elsberry 1 S, the 1991 to 2020 normal high in October is 67°F and the normal low is 44°F.
Nearby hazards
Missouri hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:No thunderstorm risk area over this locationOutlook 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))
- GoodPM2.5
- AQI forecast tomorrow (St. Louis (Metro-east))
- ModeratePM2.5
Drought
By countyLincoln County, week of 10/27/2026
13% of the county is in moderate drought or worse.
Sun and moon
Local time, center of the area
- Sunrise
- 7:28 AM
- Sunset
- 6:04 PM
- Daylight
- 10 hr 36 min
- Moon
- Waning Gibbous 81% lit
- First light (civil dawn)
- 7 AM
- Last light (civil dusk)
- 6:32 PM
- Moonrise
- 9:48 PM
- Moonset
- 12:40 PM
Normal October weather
ClimateNormal October high 67°, low 44°, precipitation 3.28 in for the month. 1991 to 2020 normals at Elsberry 1 S, 15 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- National Blend of Models (NBM) text guidanceNOAA National Weather Service · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- Hazard Mapping System Smoke AnalysisNOAA NESDIS Office of Satellite and Product Operations · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
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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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