Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Rochester, Rochester International Airport (KRST)

Lat: 43.9°NLon: 92.49°WElev: 1316ft.

Fog/Mist

69°F

21°C

Humidity 93%
Wind Speed NW 12 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 67°F (19°C)
Visibility 4.00 mi
Last update 16 Aug 6:54 am CDT
Extended Forecast for

4 Miles SSE Byron MN

  • Today

    Today: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 79. Northwest wind 9 to 13 mph.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Northwest wind 5 to 9 mph becoming light west  after midnight.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Light west wind increasing to 5 to 9 mph in the morning.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am.  Mostly cloudy, with a low around 64. Southwest wind 7 to 9 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 79. Northwest wind 6 to 9 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. Northwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Southwest wind 3 to 6 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Northwest wind 9 to 13 mph.
Tonight
Mostly clear, with a low around 58. Northwest wind 5 to 9 mph becoming light west after midnight.
Monday
Sunny, with a high near 81. Light west wind increasing to 5 to 9 mph in the morning.
Monday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 64. Southwest wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Northwest wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 57. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 76. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. Southwest wind 3 to 6 mph.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 60. South wind around 9 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 80. Southwest wind 9 to 11 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Southwest wind 6 to 9 mph.
Saturday
Sunny, with a high near 80. Northwest wind 6 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Byron MN
 43.98°N 92.61°W
5:16 am CDT Aug 16, 2026
7am CDT Aug 16, 2026-6pm CDT Aug 22, 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