Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Fair

84°F

29°C

Humidity 74%
Wind Speed S 15 G 22 mph
Barometer 29.71 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 29 Jun 8:55 pm CDT
Extended Forecast for

Nemaha IA

Extreme Heat Warning June 29, 09:20pm until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 09:20pm until June 30, 09:00pm

    NOW until 9:00pm Tue

    Extreme Heat Warning

  • Tonight

    Low: 73 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms before 7am.  Mostly sunny, with a high near 94. Southwest wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 94 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 72. South wind 7 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Partly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 91. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 30 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Breezy.
    Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 26 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms and
    Breezy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 91. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 73. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 94. Southwest wind 7 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. South wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 26 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71.
Independence Day
Mostly sunny, with a high near 93.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 68. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Nemaha IA
 42.5°N 95.09°W
8:32 pm CDT Jun 29, 2026
9pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
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