Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Clarion (KCAV)

Lat: 42.75°NLon: 93.77°WElev: 1161ft.

A Few Clouds

81°F

27°C

Humidity 45%
Wind Speed NW 10 G 17 mph
Barometer 30.10 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Aug 2:15 pm CDT
Extended Forecast for

Clarion IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. North northwest wind around 7 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 4am.  Mostly cloudy, with a low around 66. South southeast wind 7 to 13 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm.  Partly sunny, with a high near 84. Windy, with a south wind 16 to 22 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Breezy.

    High: 91 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. North northwest wind around 7 mph.
Tonight
Clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 66. South southeast wind 7 to 13 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm. Partly sunny, with a high near 84. Windy, with a south wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 91. Breezy.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Monday
Partly sunny, with a high near 90.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Clarion IA
 42.74°N 93.73°W
2:01 pm CDT Aug 27, 2026
2pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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