Local Storm Reports

Severe Weather Outlooks

Day 1

Day 2

Day 3

Information on SPC's Severe Thunderstorm Risk Categories

River Flooding

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Precipitation Forecast

1-Day Rainfall

2-Day Rainfall

3-Day Rainfall

Additional Weather Elements

(mouse over day or period to see map below)

Max Temperature	Day 1		Day 2		Day 3		Day 4		Day 5
Min Temperature	Day 1		Day 2		Day 3		Day 4		Day 5
Heat Index	Period 1	Period 2	Period 3	Period 4	Period 5	Period 6	Period 7
Max Wind Gust	Period 1	Period 2	Period 3	Period 4	Period 5	Period 6	Period 7	Period 8	Period 9
Chance of Precip	Period 1	Period 2	Period 3	Period 4	Period 5	Period 6	Period 7	Period 8	Period 9
Recent Lightning	Yesterday	2 Days Ago	3 Days Ago	4 Days Ago	5 Days Ago	6 Days Ago	7 Days Ago	8 Days Ago

Forecast Timelines

Single Site Timelines

Detailed Point Forecast

(click map to change the location of the forecast listed below the map)

Climate Outlooks

8-14 Day Temp Outlook

8-14 Day Precip Outlook

Drought Monitor

 

Summer Weather Definitions

Tornado or Severe Thunderstorm WATCH:

Conditions are favorable for the development of tornadoes, large hail, and/or damaging winds.

Tornado WARNING:

A tornado has been detected on radar or sighted by trained spotters.

Severe Thunderstorm WARNING:

A severe thunderstorm has been detected on radar or reported by trained spotters. A severe thunderstorm is a storm that produces hail 1 inch or larger and/or winds 58 mph or greater

Severe Thunderstorm Outlook Terms:

• Marginal Risk:

  Isolated severe thunderstorms are possible.

• Slight Risk:

  Scattered or short-lived severe thunderstorms are possible.

• Enhanced Risk:

  Numerous or persistent severe thunderstorms are possible.

• Moderate Risk:

  Widespread, long-lived, and intense severe thunderstorms are likely.

• High Risk:

  Widespread, long-lived, and particularly intense severe thunderstorms are expected.

Flood WATCH:

Conditions are favorable for flooding.

Flash Flood WARNING:

Life-threatening flooding is detected on radar, indicated by stream gauges, or reported by storm spotters. A flash flood is a flood that occurs very quickly; it is caused by heavy rainfall over a short period of time or from a dam break.

Flood WARNING:

Rivers overflowing their banks or water covering a normally dry area. Floods are usually caused by heavy rain over a long period of time, rapidly melting snow, or ice jams.

Urban or Small Stream Flood ADVISORY:

Flooding of small streams, streets, and low-lying areas such as underpasses and storm drains.

Excessive Heat WARNING:

Heat index 105 degrees or higher, with a minimum heat index of 75 degrees for 48 hours or longer; or heat index of 100 degrees or higher for four consecutive days.

Heat ADVISORY:

Heat index 100 degrees or higher; or heat index between 95 and 100 degrees for four consecutive days.