Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

72°F

22°C

Humidity 86%
Wind Speed E 3 mph
Barometer 29.92 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 31 Aug 1:55 am CDT
Extended Forecast for

Sabula IA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. South wind around 10 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms, mainly between 4am and 5am.  Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 7am and 9am.  Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the morning.  Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 10 mph.
Monday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.
Tuesday
A slight chance of showers and thunderstorms between 7am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 69.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Sabula IA
 42.07°N 90.19°W (Elev. 591 ft)
1:26 am CDT Aug 31, 2026
2am CDT Aug 31, 2026-6pm CDT Sep 6, 2026
 
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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