National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

A Few Clouds and Breezy

90°F

32°C

Humidity 63%
Wind Speed S 22 G 33 mph
Barometer 29.77 in (1007.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 29 Jun 1:53 pm CDT
Extended Forecast for

Winthrop MO

Extreme Heat Warning June 29, 02:31pm until July 3, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 02:31pm until July 3, 09:00pm

    NOW until 9:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 93 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 79. South wind 13 to 17 mph, with gusts as high as 31 mph.

    Low: 79 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Heat index values as high as 102. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76. South wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. South wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. Heat index values as high as 106. Breezy, with a south wind around 21 mph, with gusts as high as 34 mph.
Tonight
Mostly cloudy, with a low around 79. South wind 13 to 17 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 93. Heat index values as high as 102. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 76. South wind 11 to 14 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 93. South wind 11 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Mostly sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 75.
Independence Day
Mostly sunny and hot, with a high near 97.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop MO
 39.57°N 95.11°W (Elev. 902 ft)
Last Update:
2:12 pm CDT Jun 29, 2026
Forecast Valid:
2pm CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation