Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Thunderstorm in Vicinity Light Rain

68°F

20°C

Humidity 93%
Wind Speed W 9 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Jun 10:56 am CDT
Extended Forecast for

Preston IA

Heat Advisory June 21, 12:00pm until June 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Showers and thunderstorms likely before 3pm, then isolated showers between 3pm and 4pm.  Mostly cloudy, with a high near 84. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 105. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 94 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely before 3pm, then isolated showers between 3pm and 4pm. Mostly cloudy, with a high near 84. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tonight
Mostly clear, with a low around 76. South wind around 15 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 105. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 76. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny and hot, with a high near 95.
Sunday Night
Clear, with a low around 75.
Monday
Sunny, with a high near 94.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Preston IA
 42.05°N 90.36°W (Elev. 751 ft)
11:32 am CDT Jun 20, 2025
11am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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Additional Resources

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