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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Hebron, Hebron Municipal Airport (KHJH)

Lat: 40.15°NLon: 97.59°WElev: 1467ft.

Thunderstorm in Vicinity

69°F

21°C

Humidity 75%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Jun 12:55 pm CDT
Extended Forecast for

Mahaska KS

Flood Watch June 20, 07:00pm until June 21, 01:00pm
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind around 10 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rainfall. Low around 62. Southeast wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    Low: 62 °F

    Heavy Rain

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 9am. Some of the storms could produce heavy rainfall. Cloudy through mid morning, then gradual clearing, with a high near 78. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 78 °F

    Heavy Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms between 9pm and midnight. Increasing clouds, with a low around 55. Northeast wind 5 to 15 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74. Northeast wind around 5 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. East wind around 5 mph becoming calm after midnight.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. North wind around 5 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind around 10 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rainfall. Low around 62. Southeast wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers and thunderstorms likely, mainly before 9am. Some of the storms could produce heavy rainfall. Cloudy through mid morning, then gradual clearing, with a high near 78. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers and thunderstorms between 9pm and midnight. Increasing clouds, with a low around 55. Northeast wind 5 to 15 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 74. Northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 55. East wind around 5 mph becoming calm after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. North wind around 5 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 55.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mahaska KS
 40°N 97.33°W
Last Update:
1:01 pm CDT Jun 20, 2026
Forecast Valid:
1pm CDT Jun 20, 2026-6pm CDT Jun 26, 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