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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Tekamah, Tekamah Municipal Airport (KTQE)

Lat: 41.77°NLon: 96.18°WElev: 1027ft.

Fair

69°F

21°C

Humidity 87%
Wind Speed SE 7 mph
Barometer 29.98 in (1013.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 28 Aug 11:54 pm CDT
Extended Forecast for

Castana IA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. South wind around 14 mph, with gusts as high as 28 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 90. South wind around 16 mph, with gusts as high as 31 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 93. South wind around 11 mph, with gusts as high as 22 mph.

    High: 93 °F

    Slight Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South wind around 7 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Southwest wind around 6 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 30%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 89 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Northeast wind 3 to 5 mph.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. South wind around 14 mph, with gusts as high as 28 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 90. South wind around 16 mph, with gusts as high as 31 mph.
Saturday Night
Partly cloudy, with a low around 74. South wind around 11 mph, with gusts as high as 22 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 93. South wind around 11 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 73. South wind around 7 mph.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Southwest wind around 6 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. East southeast wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 90. South wind around 6 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castana IA
 42.07°N 95.91°W (Elev. 1089 ft)
Last Update:
12:06 am CDT Aug 29, 2026
Forecast Valid:
12am CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation