Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

St. James Municipal Airport (KJYG)

Lat: 43.99°NLon: 94.55°WElev: 1063ft.

Partly Cloudy

59°F

15°C

Humidity 94%
Wind Speed N 3 mph
Barometer 29.98 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Aug 2:15 am CDT
Extended Forecast for

Madelia MN

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 79. Calm wind becoming southeast around 5 mph.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of thunderstorms after 5pm.  Mostly sunny, with a high near 83. South southwest wind 5 to 15 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 63. Southwest wind 5 to 10 mph.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 82. North northwest wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. West northwest wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. North wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. North wind around 5 mph becoming calm  after midnight.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Calm wind.
Wednesday
Partly sunny, with a high near 79. Calm wind becoming southeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 59. Calm wind becoming south southwest around 5 mph after midnight.
Thursday
A chance of thunderstorms after 5pm. Mostly sunny, with a high near 83. South southwest wind 5 to 15 mph. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 82. North northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 62. West northwest wind around 5 mph.
Saturday
Sunny, with a high near 80. North wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 57. North wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 59. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 81. South southwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South southwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 83. West northwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Madelia MN
 44.04°N 94.43°W (Elev. 1007 ft)
1:26 am CDT Aug 19, 2026
2am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database