Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Forest City Municipal Airport (KFXY)

Lat: 43.24°NLon: 93.62°WElev: 1230ft.

Fair

82°F

28°C

Humidity 62%
Wind Speed SE 14 mph
Barometer 29.82 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 30 Jun 10:35 am CDT
Extended Forecast for

Crystal Lake IA

Extreme Heat Warning June 30, 10:42am until July 1, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 10:42am until July 1, 10:00pm

    NOW until 10:00pm Wed

    Extreme Heat Warning

  • Today

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 71. South southwest wind 8 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Partly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 88. Breezy, with a south southwest wind 11 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Mostly clear during the early evening, then becoming mostly cloudy, with a low around 69. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88. South southwest wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 70. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 92. Southwest wind around 14 mph, with gusts as high as 23 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 71. South southwest wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Breezy, with a south southwest wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 69. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 6 to 8 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Independence Day
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
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 67. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IA
 43.24°N 93.78°W
7:47 am CDT Jun 30, 2026
10am CDT Jun 30, 2026-6pm CDT Jul 6, 2026
 
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Additional Resources

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