National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Schenck Field Airport (KICL)

Lat: 40.72°NLon: 95.02°WElev: 978ft.

Overcast

84°F

29°C

Humidity 84%
Wind Speed S 14 mph
Barometer 29.70 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 28 Jun 9:55 pm CDT
Extended Forecast for

Hepburn IA

Extreme Heat Warning June 28, 10:18pm until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 28, 10:18pm until June 30, 09:00pm

    NOW until 9:00pm Tue

    Extreme Heat Warning

  • Tonight

    Low: 76 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 108. Breezy, with a south wind 15 to 24 mph, with gusts as high as 34 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 76. Breezy, with a south wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 76 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 92 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 92 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. South wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 93 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 76. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 93. Heat index values as high as 108. Breezy, with a south wind 15 to 24 mph, with gusts as high as 34 mph.
Monday Night
Mostly cloudy, with a low around 76. Breezy, with a south wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
Mostly sunny, with a high near 92. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South wind 11 to 16 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 92. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South wind 11 to 17 mph, with gusts as high as 26 mph.
Thursday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. South wind 10 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind 10 to 16 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 95. South wind 9 to 14 mph, with gusts as high as 21 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. South wind 8 to 14 mph, with gusts as high as 22 mph.
Independence Day
Mostly sunny, with a high near 95. South wind 8 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northeast wind 5 to 8 mph becoming west northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hepburn IA
 40.85°N 95.03°W (Elev. 1152 ft)
Last Update:
10:05 pm CDT Jun 28, 2026
Forecast Valid:
10pm CDT Jun 28, 2026-6pm CDT Jul 5, 2026
 
Forecast Discussion
 
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