Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

78°F

26°C

Humidity	78%
Wind Speed	SW 7 mph
Barometer	29.94 in
Dewpoint	70°F (21°C)
Visibility	7.00 mi
Heat Index	80°F (27°C)
Last update	1 Jul 6:35 am CDT

More Information:

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

Extended Forecast for

Preston IA

Extreme Heat Warning July 1, 06:55am until July 1, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 1, 06:55am until July 1, 10:00pm
NOW until 10:00pm Wed
Extreme Heat Warning
Today
High: 93 °F
Sunny
Tonight
Low: 77 °F
Mostly Clear
then Chance
T-storms
Thursday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 73 °F
Showers
Likely
Friday
High: 93 °F
Showers
Likely
Friday Night
Low: 73 °F
T-storms
Likely
Independence Day
High: 91 °F
Chance
T-storms then
Showers
Likely
Saturday Night
Low: 70 °F
Showers
Likely

Detailed Forecast

Today

Sunny, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday

A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Southwest wind 5 to 10 mph.

Thursday Night

A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 60%.

Friday

A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely, mainly between 10pm and 1am. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

Independence Day

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 70. Chance of precipitation is 60%.

Sunday

A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.

Sunday Night

Partly cloudy, with a low around 68.

Monday

Mostly sunny, with a high near 89.

Monday Night

Partly cloudy, with a low around 68.

Tuesday

Mostly sunny, with a high near 90.