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 >

Hazardous Weather Conditions

Current conditions at

Iowa County Airport (KMRJ)

Lat: 42.89°NLon: 90.23°WElev: 1142ft.

Fair

81°F

27°C

Humidity	54%
Wind Speed	SW 14 G 22 mph
Barometer	29.87 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	20 Jun 2:35 pm CDT

More Information:

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

Extended Forecast for

3 Miles ENE Ridgeway WI

Heat Advisory June 21, 12:00pm until June 23, 07:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 76 °F
Mostly Clear
Saturday
High: 92 °F
Hot and
Breezy
Saturday Night
Low: 76 °F
Mostly Clear
and Breezy
Sunday
High: 93 °F
Hot
Sunday Night
Low: 76 °F
Clear
Monday
High: 91 °F
Sunny then
Chance
Showers
Monday Night
Low: 69 °F
Showers
Likely
Tuesday
High: 83 °F
Showers
Likely
Tuesday Night
Low: 66 °F
Chance
T-storms then
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 30 mph.

Saturday

Sunny and hot, with a high near 92. Heat index values as high as 102. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

Saturday Night

Mostly clear, with a low around 76. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

Sunday

Sunny and hot, with a high near 93. Heat index values as high as 100. South wind around 15 mph, with gusts as high as 30 mph.

Sunday Night

Clear, with a low around 76. South wind around 15 mph, with gusts as high as 30 mph.

Monday

A 40 percent chance of showers after 1pm. Sunny and hot, with a high near 91. Southwest wind around 15 mph.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. West wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 66. Chance of precipitation is 80%.

Wednesday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

Wednesday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

Thursday Night

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

Friday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.