Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

79°F

26°C

Humidity	65%
Wind Speed	SW 12 G 16 mph
Barometer	30.01 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	4 Aug 10:45 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Lannon WI

Today
High: 83 °F
Mostly Sunny
Tonight
Low: 64 °F
Showers
Likely then
Showers
Wednesday
High: 74 °F
Showers
Likely and
Patchy Fog
then Chance
T-storms
Wednesday Night
Low: 59 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 78 °F
Mostly Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Friday
High: 81 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 83 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Today

Mostly sunny, with a high near 83. Southwest wind around 10 mph.

Tonight

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 64. Southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Showers and thunderstorms likely, mainly before noon. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 74. Northwest wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 40%.

Thursday

Mostly sunny, with a high near 78. Calm wind becoming southeast around 5 mph.

Thursday Night

Mostly clear, with a low around 58. Calm wind.

Friday

Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

Friday Night

Mostly clear, with a low around 62. Southwest wind around 5 mph.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 83.

Saturday Night

A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Sunday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Sunday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.

Monday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.