Iowa state forecast

Severe thunderstorm watch until 3 pm north central and parts of northwest iowa...

Heat advisory today southwest half...

Rest of today...Periods of thunderstorms north...Spreading into eastern sections this afternoon. A severe storm is possible. A chance of thunderstorms west. Hot and humid south and west. Highs from the mid 80s to mid 90s.

Tonight...Partly cloudy and muggy. A chance of thunderstorms. Lows in the 70s.

Sunday...Hot and humid. Partly sunny with a chance of thunderstorms early...And again late north. Highs in the 90s.

Sunday night...Partly cloudy with a chance of thunderstorms. Lows mainly in the 70s.

Extended forecast...

Monday...Very warm and humid. A chance of mainly early morning thunderstorms. Highs 85 to 95.

Tuesday and wednesday...Cooler with a chance of thunderstorms. Lows in the mid 60s to around 70. Highs in the lower 80s to around 90.