Moderate

At 1243 AM MDT, Doppler radar was tracking strong thunderstorms along a line extending from Henry to near Albin to 7 miles northwest of Natural Fort. Movement was southeast at 50 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Cheyenne, Scottsbluff, Torrington, Kimball, Gering, Mitchell, Terrytown, Pine Bluffs, Morrill, La Grange, Lyman, Burns, Happy

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...In Kansas, Doniphan County. In Missouri, Andrew, Atchison MO, Buchanan, Holt, and Nodaway Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Dangerous swimming conditions are expected due to high wave action and strong rip currents. * WHERE...Southern Schoolcraft County. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...High wave action and dangerous currents will lead to life threatening swimming conditions. Waves in rapid succession can tire swimmers quickly. * ADDITIONAL DETAILS...Current related fatalities and rescues in the past have occurred due to similar wave conditions at locations listed below:

* WHAT...Visibility less than 1 mile, at times down to 1/4 mile, in dense fog. * WHERE...City and Borough of Wrangell, Petersburg Borough, and Western Kupreanof Island and Kuiu Island. * WHEN...Until 10 AM AKDT Wednesday. * IMPACTS...Low visibility could make travel conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Iowa, Fremont, Mills, Montgomery, and Page Counties. In Nebraska, Gage, Johnson, Nemaha, Otoe, Pawnee, and Richardson Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Temperatures up to 104 and heat index values up to 106 expected this afternoon. * WHERE...Bastrop, Burnet, Llano, Travis, and Williamson Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...Temperatures up to 104 and heat index values up to 108 expected this afternoon. * WHERE...Atascosa, Bexar, Comal, De Witt, Guadalupe, Hays, Karnes, and Wilson Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Temperatures up to 104 and heat index values up to 110 expected this afternoon. * WHERE...Caldwell, Fayette, Gonzales, Lavaca, and Lee Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...Elevated surf of 4-6 feet with sets to 7 feet expected along with dangerous rip currents and minor coastal flooding. * WHERE...San Diego County coastal areas and Orange County coastal areas, particularly along south and southwest-facing beaches. * WHEN...From early Wednesday morning through Thursday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Flooding of low lying beach parking lots, boardwalks, and roads.

* WHAT...Dangerous swimming conditions. Highest waves of 3 to 5 feet. * WHERE...Benzie and Manistee Counties. * WHEN...From late tonight through Wednesday evening. * IMPACTS...Waves as high as 3 to 5 feet will result in dangerous swimming conditions and could sweep people off piers and jetties. Remain out of the water to avoid hazardous swimming conditions.