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Union Star, MO 64459 Weather

It is 66°F and mostly cloudy in Union Star, MO 64459, observed at 8:55 PM CDT. Tonight: Showers And Thunderstorms Likely, low 58°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Union Star, MO 64459 current weather

66°F

Mostly Cloudy

H -- / L 58°Feels like 66°

Observed at St. Joseph, Rosecrans Memorial Airport (17.8 mi away), 10/30/2026, 8:55 PM CDT

Hourly forecast

NWS, updated 10/30/2026, 6:36 PM PT

  1. Now61°47%
  2. 10 PM60°54%
  3. 11 PM60°60%
  4. 12 AM60°62%Sat
  5. 1 AM60°58%
  6. 2 AM59°42%
  7. 3 AM59°36%
  8. 4 AM59°54%
  9. 5 AM59°73%
  10. 6 AM59°75%
  11. 7 AM59°77%
  12. 8 AM58°69%
  13. 9 AM60°61%
  14. 10 AM63°59%
  15. 11 AM65°57%
  16. 12 PM67°52%
  17. 1 PM68°48%
  18. 2 PM69°52%
  19. 3 PM69°57%
  20. 4 PM69°61%
  21. 5 PM69°50%
  22. 6 PM68°39%
  23. 7 PM65°28%
  24. 8 PM63°31%
  25. 9 PM61°35%
  26. 10 PM60°38%
  27. 11 PM59°34%
  28. 12 AM59°31%Sun
  29. 1 AM59°27%
  30. 1 AM59°24%
  31. 2 AM58°22%
  32. 3 AM58°19%
  33. 4 AM57°17%
  34. 5 AM57°16%
  35. 6 AM56°15%
  36. 7 AM55°15%
  37. 8 AM58°15%
  38. 9 AM62°15%
  39. 10 AM65°15%
  40. 11 AM67°15%
  41. 12 PM68°
  42. 1 PM69°
  43. 2 PM70°
  44. 3 PM70°
  45. 4 PM69°
  46. 5 PM67°
  47. 6 PM66°
  48. 7 PM64°

10-day forecast

Tap a day for details

  • Today10/3073% chance of precipitationLow 58°High

    Tonight: A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then showers and thunderstorms likely. Cloudy, with a low around 58. South southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

    Showers And Thunderstorms Likely
  • Sat10/3177% chance of precipitationLow 55°High 69°

    Saturday: Rain showers. Cloudy, with a high near 69. Southeast wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

    Saturday Night: A chance of rain showers. Cloudy, with a low around 55. East southeast wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Rain Showers
  • Sun11/145% chance of precipitationLow 57°High 70°

    Sunday: A slight chance of rain showers before noon. Partly sunny, with a high near 70. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.

    Sunday Night: A chance of rain showers after midnight. Mostly cloudy, with a low around 57. Southeast wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Slight Chance Rain Showers then Partly Sunny
  • Mon11/298% chance of precipitationLow 57°High 71°

    Monday: Showers and thunderstorms. Cloudy, with a high near 71. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Monday Night: Showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 100%.

    Showers And Thunderstorms
  • Tue11/372% chance of precipitationLow 49°High 68°

    Tuesday: Rain showers likely. Partly sunny, with a high near 68. Chance of precipitation is 70%.

    Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Rain Showers Likely
  • Wed11/433% chance of precipitationLow 45°High 66°

    Wednesday: A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    Wednesday Night: Mostly cloudy, with a low around 45.

    Chance Rain Showers
  • Thu11/517% chance of precipitationLow 42°High 63°

    Thursday: A slight chance of rain showers. Mostly sunny, with a high near 63.

    Thursday Night: Partly cloudy, with a low around 42.

    Slight Chance Rain Showers
  • Fri11/610% chance of precipitationLow High 63°

    Friday: Partly sunny, with a high near 63.

    Partly Sunny
  • Sat11/7Model blend16% chance of precipitationLow 42°High 65°

    Saturday: Mostly cloudy, slight chance of rain. High near 65°. Low that night near 42°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend18% chance of precipitationLow 41°High 66°

    Sunday: Mostly cloudy, slight chance of rain. High near 66°. Low that night near 41°. About 0.18 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 39.928, -94.647 from the NWS EAX office, updated 10/30/2026, 6:36 PM PT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KSTJ (St Joseph/Rosecrans Mem, 18 mi), model run 10/30/2026, 3:00 PM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now61°Chance Showers And Thunderstorms47%6 mph
  2. 10 PM60°Chance Showers And Thunderstorms54%5 mph
  3. 11 PM60°Showers And Thunderstorms Likely60%5 mph
  4. 12 AM60°Showers And Thunderstorms Likely62%3 mph
  5. 1 AM60°Rain Showers Likely58%3 mph
  6. 2 AM59°Chance Rain Showers42%3 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Union Star, MO 64459 right now?
The latest observation from St. Joseph, Rosecrans Memorial Airport was 66°F and mostly cloudy, reported at 10/30/2026, 8:55 PM CDT.
Will it rain in Union Star, MO 64459 in the next 24 hours?
The hourly forecast shows a 54% chance of precipitation around 10/30/2026, 10:00 PM CDT.
What is the 10-day forecast for Union Star, MO 64459?
The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 7 to Nov 8) come from the NOAA National Blend of Models, with highs of 65°F to 66°F. Model guidance this far out often changes.
What time is sunrise and sunset in Union Star, MO 64459 today?
Sunrise is about 7:45 AM CDT and sunset is about 6:18 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Union Star, MO 64459?
At Cosby 2w, the 1991 to 2020 normal high in October is 66°F and the normal low is 42°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
1.45 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Missouri hazards

Severe 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 tomorrow (Kansas City)
41GoodOzone

UV index guide · Air quality

Drought

By county

Andrew County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:45 AM
Sunset
6:18 PM
Daylight
10 hr 33 min
Moon
Waning Gibbous 75% lit
First light (civil dawn)
7:17 AM
Last light (civil dusk)
6:46 PM
Moonrise
9:59 PM
Moonset
1:01 PM

Normal October weather

Climate

Normal October high 66°, low 42°, precipitation 3.04 in for the month. 1991 to 2020 normals at Cosby 2w, 6 mi away.

Other places nearby

Data sources

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About this data

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