Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Tomahawk Regional Airport (KTKV)

Lat: 45.47°NLon: 89.81°WElev: 1470ft.

Overcast

74°F

23°C

Humidity 60%
Wind Speed NA
Barometer 29.74 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 21 Jun 12:35 am CDT
Extended Forecast for

5 Miles N Merrill Municipal Airport WI

Heat Advisory June 21, 12:00pm until June 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: A chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am.  Cloudy, with a low around 68. South southeast wind 8 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 10am.  Mostly cloudy and hot, with a high near 90. Southwest wind 13 to 17 mph, with gusts as high as 30 mph.

    High: 90 °F

    Chance
    T-storms then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. South southwest wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 91. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 74. South southwest wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am. Cloudy, with a low around 68. South southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy and hot, with a high near 90. Southwest wind 13 to 17 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 75. South southwest wind 8 to 10 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny and hot, with a high near 91. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. South southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 56. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 68. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 58. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 70. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Merrill Municipal Airport WI
 45.27°N 89.69°W (Elev. 1391 ft)
12:41 am CDT Jun 21, 2025
12am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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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