Severe Thunderstorms and Heavy Rainfall Across the Central Plains and Central Appalachians

Severe thunderstorms producing damaging winds, heavy rainfall, hail and possibly a few tornadoes will continue through tonight across portions of Kansas and Oklahoma. Heavy rainfall will persist across the Central Appalachians through tonight, potentially leading to areas of flooding. The severe weather and heavy rainfall threat will shift into the lower Great Lakes on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Fair

61°F

16°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 29.83 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Jun 4:15 am CDT
Extended Forecast for

Sac City IA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 5am.  Mostly cloudy, with a low around 63. Light north northeast wind.

    Low: 63 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after noon.  Mostly cloudy, with a high near 79. North wind 5 to 10 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly clear, with a low around 60. West wind 6 to 9 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 88. Southwest wind 6 to 10 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 68. South wind 9 to 13 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 96. Windy.

    High: 96 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Windy.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Windy.

    High: 98 °F

    Hot and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Windy.

    Low: 77 °F

    Mostly Clear
    and Windy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 63. Light north northeast wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 79. North wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 60. West wind 6 to 9 mph.
Juneteenth
Sunny, with a high near 88. Southwest wind 6 to 10 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. South wind 9 to 13 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 96. Windy.
Friday Night
Mostly clear, with a low around 76. Windy.
Saturday
Sunny and hot, with a high near 98. Windy.
Saturday Night
Mostly clear, with a low around 77. Windy.
Sunday
Sunny and hot, with a high near 97. Windy.
Sunday Night
A 30 percent chance of showers. Mostly clear, with a low around 72. Breezy.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sac City IA
 42.42°N 95°W
3:55 am CDT Jun 18, 2025
4am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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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