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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Hazardous Weather Conditions

Current conditions at

Falls City, Brenner Field Airport (KFNB)

Lat: 40.08°NLon: 95.59°WElev: 984ft.

Overcast

71°F

22°C

Humidity 79%
Wind Speed S 6 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Sep 12:53 pm CDT
Extended Forecast for

Reserve KS

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely, mainly between 2pm and 3pm. Mostly cloudy, with a high near 74. South wind around 5 mph. Chance of precipitation is 60%.

    High: 74 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming west around 5 mph in the morning.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South wind around 5 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely, mainly between 2pm and 3pm. Mostly cloudy, with a high near 74. South wind around 5 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the morning.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.
Saturday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. South wind around 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. South wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. South wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South wind around 5 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 40%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reserve KS
 39.99°N 95.58°W
Last Update:
12:41 pm CDT Sep 18, 2025
Forecast Valid:
1pm CDT Sep 18, 2025-6pm CDT Sep 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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