Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fog/Mist

60°F

16°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.07 in (1017.7 mb)
Dewpoint 60°F (16°C)
Visibility 5.00 mi
Last update 27 Aug 4:53 am CDT
Extended Forecast for

Cosby MO

  • Today

    Today: Sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Breezy, with a south wind 11 to 20 mph, with gusts as high as 26 mph.

    High: 91 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Breezy.

    High: 97 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 63. Light and variable wind.
Friday
Sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 69. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 91. Breezy, with a south wind 11 to 20 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny and hot, with a high near 97. Breezy.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Mostly sunny, with a high near 95.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Cosby MO
 39.86°N 94.68°W (Elev. 886 ft)
2:47 am CDT Aug 27, 2026
4am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database