Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Siren, Burnett County Airport (KRZN)

Lat: 45.82°NLon: 92.37°WElev: 988ft.

Mostly Cloudy

86°F

30°C

Humidity 67%
Wind Speed S 10 G 17 mph
Barometer 29.85 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 26 Jul 12:55 pm CDT
Extended Forecast for

8 Miles NNE Grantsburg WI

Extreme Heat Warning until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until July 26, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • This Afternoon

    High: 95 °F

    Hot

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 69. Southeast wind around 5 mph.  Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 88. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy smoke before 4am. Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming east around 5 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. East wind around 5 mph becoming calm.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 91. Calm wind becoming south around 5 mph in the morning.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 66. South wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 95. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 88. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
Patchy smoke before 4am. Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Calm wind becoming east around 5 mph.
Tuesday Night
Mostly clear, with a low around 63. East wind around 5 mph becoming calm.
Wednesday
Sunny and hot, with a high near 91. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. South wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming south around 5 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. North wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Grantsburg WI
 45.89°N 92.62°W
12:12 pm CDT Jul 26, 2026
1pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database