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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Lake Elmo Airport (K21D)

Lat: 45°NLon: 92.85°WElev: 925ft.

Overcast

54°F

12°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 29.72 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Jun 6:35 am CDT
Extended Forecast for

Mahtomedi MN

  • Today

    Today: Mostly sunny, with a high near 70. Light northwest wind increasing to 10 to 15 mph in the morning.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northwest wind 5 to 10 mph becoming light west northwest in the evening.

    Low: 50 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 73. Calm wind becoming west southwest around 5 mph in the morning.

    High: 73 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 52. West northwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 74. Northwest wind around 5 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. North northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Northeast wind 5 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Northeast wind 5 to 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. Northeast wind around 5 mph.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 70. Light northwest wind increasing to 10 to 15 mph in the morning.
Tonight
Mostly clear, with a low around 50. Northwest wind 5 to 10 mph becoming light west northwest in the evening.
Juneteenth
A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 73. Calm wind becoming west southwest around 5 mph in the morning.
Friday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 52. West northwest wind around 5 mph. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 74. Northwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 54. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 73. Northeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 51. Northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 75. Northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56. South southeast wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. Northwest wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mahtomedi MN
 45.08°N 92.94°W (Elev. 955 ft)
Last Update:
5:27 am CDT Jun 18, 2026
Forecast Valid:
6am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation