Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 21, 12:00 PM MDT until August 21, 10:00 PM MDT

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

Lat: 43.83167°NLon: 111.80611°WElev: 4859.0ft.

Clear

81°F

27°C

Humidity	24%
Wind Speed	N 0 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	19 Aug 08:20 PM MDT

More Information:

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

Extended Forecast for

St. Anthony ID

Heat Advisory August 21, 12:00pm until August 21, 10:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 50 °F
Mostly Clear
Thursday
High: 91 °F
Sunny
Thursday Night
Low: 55 °F
Partly Cloudy
Friday
High: 94 °F
Mostly Sunny
Friday Night
Low: 57 °F
Mostly Cloudy
then Slight
Chance Rain
Saturday
High: 85 °F
Chance Rain
then Chance
T-storms
Saturday Night
Low: 52 °F
Chance
T-storms then
Mostly Cloudy
Sunday
High: 84 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 49 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 50. Southeast wind 5 to 7 mph becoming northeast in the evening.

Thursday

Sunny, with a high near 91. Northeast wind 5 to 7 mph becoming light and variable.

Thursday Night

Partly cloudy, with a low around 55. West southwest wind around 7 mph becoming east northeast after midnight.

Friday

Mostly sunny, with a high near 94. East northeast wind 5 to 7 mph becoming light and variable.

Friday Night

A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 57. North northeast wind 5 to 9 mph becoming east after midnight. Winds could gust as high as 18 mph.

Saturday

A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Saturday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.

Sunday

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

Sunday Night

Partly cloudy, with a low around 49.

Monday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.

Monday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49.

Tuesday

Mostly sunny, with a high near 84.