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

Tekamah, Tekamah Municipal Airport (KTQE)

Lat: 41.77°NLon: 96.18°WElev: 1027ft.

Fair

77°F

25°C

Humidity 85%
Wind Speed SE 16 G 26 mph
Barometer 29.56 in (999.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Jun 6:54 am CDT
Extended Forecast for

Castana IA

Heat Advisory June 28, 01:00pm until June 30, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 105. Breezy, with a south wind 16 to 18 mph, with gusts as high as 32 mph.

    High: 97 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 14 mph, with gusts as high as 28 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Breezy, with a south wind 16 to 22 mph, with gusts as high as 36 mph.

    High: 97 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Breezy, with a south wind 9 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. South southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 94. South wind 9 to 17 mph, with gusts as high as 31 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 95. South wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 105. Breezy, with a south wind 16 to 18 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 79. South wind around 14 mph, with gusts as high as 28 mph.
Monday
Sunny and hot, with a high near 97. Breezy, with a south wind 16 to 22 mph, with gusts as high as 36 mph.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Breezy, with a south wind 9 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 95. South southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 94. South wind 9 to 17 mph, with gusts as high as 31 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South wind 10 to 16 mph, with gusts as high as 29 mph.
Thursday
Mostly sunny, with a high near 95. South wind 9 to 15 mph, with gusts as high as 28 mph.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74. South wind 10 to 17 mph, with gusts as high as 29 mph.
Friday
Sunny and hot, with a high near 97. South wind 10 to 17 mph, with gusts as high as 26 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. South southeast wind 11 to 17 mph, with gusts as high as 29 mph.
Independence Day
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. South wind 10 to 15 mph, with gusts as high as 25 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castana IA
 42.07°N 95.91°W (Elev. 1089 ft)
Last Update:
7:05 am CDT Jun 28, 2026
Forecast Valid:
7am CDT Jun 28, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation