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

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

90°F

32°C

Humidity 62%
Wind Speed S 14 mph
Barometer 29.99 in (1014.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 2 Jul 1:53 pm CDT
Extended Forecast for

Savannah MO

Heat Advisory July 3, 09:00pm until July 4, 08:00pm
Extreme Heat Warning July 2, 02:37pm until July 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 02:37pm until July 3, 09:00pm

    NOW until 9:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 76. South wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly sunny, with a high near 93. Heat index values as high as 99. South wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Mostly Clear
    then Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 92. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. Heat index values as high as 99. South wind 11 to 15 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 76. South wind 9 to 13 mph, with gusts as high as 22 mph.
Friday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly sunny, with a high near 93. Heat index values as high as 99. South wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
A chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 92. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Savannah MO
 39.94°N 94.83°W (Elev. 1099 ft)
Last Update:
1:26 pm CDT Jul 2, 2026
Forecast Valid:
2pm CDT Jul 2, 2026-6pm CDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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